Deepskyblue1
deepskyblue1 · #00BFFF
HEX
#00BFFF
RGB
rgb(0, 191, 255)
CMYK
cmyk(100%, 25%, 0%, 0%)
HSL
hsl(195, 100%, 50%)
LAB
lab(72.5, -17.7, -42.5)
What is Deepskyblue1?
Deepskyblue1 is the deepskyblue1 reference in the X11 named colors. Its sRGB value is #00BFFF (rgb 0, 191, 255). It sits in the cyan family. Historical X Window System color names — the numbered 1-4 lightness variants of the classic xorg-server rgb.txt palette. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Deepskyblue1 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Deepskyblue1
An 11-step tonal scale derived from Deepskyblue1 (#00BFFF). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#EBFAFF
#EBFAFF
100
#D6F5FF
#D6F5FF
200
#ADEBFF
#ADEBFF
300
#80DFFF
#80DFFF
400
#40CFFF
#40CFFF
500
#00BFFF
#00BFFF
600
#00A2D9
#00A2D9
700
#007CA6
#007CA6
800
#005673
#005673
900
#003040
#003040
950
#00171F
#00171F
Lighter tints (mixed with white)
15%
#6CCAFF
30%
#95D5FF
45%
#B3DFFF
60%
#CBE8FF
75%
#E1F1FF
Darker shades (mixed with black)
15%
#00B2ED
30%
#00A3DA
45%
#0092C4
60%
#007EAA
75%
#006589
Color harmonies for Deepskyblue1
Classic color-theory harmonies derived from rotating the hue of Deepskyblue1. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#00BFFF
#00BFFF
#FF4000
#FF4000
Triadic
Three colors 120° apart
#00BFFF
#00BFFF
#FF00BF
#FF00BF
#BFFF00
#BFFF00
Analogous
Two neighbors ±30° on the wheel
#00FFBF
#00FFBF
#00BFFF
#00BFFF
#0040FF
#0040FF
Split-complementary
Base + two colors flanking its complement
#00BFFF
#00BFFF
#FF0040
#FF0040
#FFBF00
#FFBF00
Tetradic
Two complementary pairs
#00BFFF
#00BFFF
#4000FF
#4000FF
#FF4000
#FF4000
#BFFF00
#BFFF00
Square
Four colors evenly spaced 90° apart
#00BFFF
#00BFFF
#BF00FF
#BF00FF
#FF4000
#FF4000
#40FF00
#40FF00
Deepskyblue1 in every color space
Full conversion of Deepskyblue1 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#00BFFF
RGB
rgb(0, 191, 255)
CMYK
cmyk(100%, 25%, 0%, 0%)
HSL
hsl(195, 100%, 50%)
HSV
hsv(195, 100%, 100%)
HWB
hwb(195 0% 0%)
CIE Lab
lab(72.5 -17.7 -42.5)
OKLCH
oklch(75.5% 0.153 231.6)
XYZ (D65)
xyz(36.67, 44.48, 101.24)
Copy-ready code for Deepskyblue1
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #00BFFF;
background-color: #00BFFF;CSS variable
:root {
--color-deepskyblue1: #00BFFF;
}Tailwind config
// tailwind.config.js
colors: {
'deepskyblue1': '#00BFFF',
}Sass
$color-deepskyblue1: #00BFFF;Swift UIColor
UIColor(red: 0.000, green: 0.749, blue: 1.000, alpha: 1.0)Android XML
<color name="deepskyblue1">#00BFFF</color>Closest match in every color system
The nearest Deepskyblue1 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in X11 named colors
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 5012
#3B83BD
Light blue
RAL 6027
#84C3BE
Light green
RAL 5024
#5D9B9B
Pastel blue
RAL 7001
#8F999F
Silver grey
RAL 7000
#7E8B92
Squirrel grey
RAL 5018
#3F888F
Turquoise blue
FAQ about Deepskyblue1
What is the HEX code for Deepskyblue1?
Deepskyblue1 (deepskyblue1) has the HEX code #00BFFF. In RGB it is rgb(0, 191, 255), and in CMYK it is cmyk(100%, 25%, 0%, 0%).
What is the OKLCH value of Deepskyblue1?
Deepskyblue1 converts to oklch(0.755 0.153 231.6). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Deepskyblue1 accessible for body text?
Used as a background, Deepskyblue1 has a contrast ratio of 9.90:1 with black text and 2.12:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Deepskyblue1?
The closest Pantone reference to Deepskyblue1 by ΔE2000 perceptual distance is Pantone 298 C (#41B6E6). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Deepskyblue1?
The closest RAL Classic reference to Deepskyblue1 by ΔE2000 distance is RAL 5012 (Light blue, #3B83BD). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Deepskyblue1?
The complementary color (180° opposite on the HSL color wheel) of Deepskyblue1 is #FF4000. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
X11 named colors (xorg rgb.txt)
The historical X11 color name list shipped in the xorg-server rgb.txt file. Roughly 550 entries covering classic computing color names like 'PapayaWhip', 'MediumAquamarine', and 'DarkSlateGray'. Many CSS named colors originate here. Use as a reference for legacy and creative color names. Most modern CSS implementations accept these names directly.
- Source type
- derived
- Confidence
- high
- License
- MIT/X11 license (X Consortium)
- Last reviewed
- 2026-05-24
Workflow tags
X11 colors are sRGB digital values from a 1980s color system. For print, convert to a process-appropriate color and proof against substrate.