Skyblue3
skyblue3 · #6CA6CD
HEX
#6CA6CD
RGB
rgb(108, 166, 205)
CMYK
cmyk(47%, 19%, 0%, 20%)
HSL
hsl(204, 49%, 61%)
LAB
lab(65.6, -8.3, -25.8)
What is Skyblue3?
Skyblue3 is the skyblue3 reference in the X11 named colors. Its sRGB value is #6CA6CD (rgb 108, 166, 205). It sits in the blue 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 Skyblue3 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Skyblue3
An 11-step tonal scale derived from Skyblue3 (#6CA6CD). 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
#F3F8FB
#F3F8FB
100
#E7F1F7
#E7F1F7
200
#D0E3EF
#D0E3EF
300
#B6D3E6
#B6D3E6
400
#91BCDA
#91BCDA
500
#6CA6CD
#6CA6CD
600
#5C8DAE
#5C8DAE
700
#466C85
#466C85
800
#314B5C
#314B5C
900
#1B2A33
#1B2A33
950
#0D1419
#0D1419
Lighter tints (mixed with white)
15%
#90B7D6
30%
#ABC6DE
45%
#C1D4E5
60%
#D4E1ED
75%
#E6EDF4
Darker shades (mixed with black)
15%
#649ABF
30%
#5B8DAF
45%
#517E9D
60%
#456D87
75%
#36576D
Color harmonies for Skyblue3
Classic color-theory harmonies derived from rotating the hue of Skyblue3. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#6CA6CD
#6CA6CD
#CC926B
#CC926B
Triadic
Three colors 120° apart
#6CA6CD
#6CA6CD
#CC6BA5
#CC6BA5
#A5CC6B
#A5CC6B
Analogous
Two neighbors ±30° on the wheel
#6BCCC3
#6BCCC3
#6CA6CD
#6CA6CD
#6B75CC
#6B75CC
Split-complementary
Base + two colors flanking its complement
#6CA6CD
#6CA6CD
#CC6B75
#CC6B75
#CCC36B
#CCC36B
Tetradic
Two complementary pairs
#6CA6CD
#6CA6CD
#926BCC
#926BCC
#CC926B
#CC926B
#A5CC6B
#A5CC6B
Square
Four colors evenly spaced 90° apart
#6CA6CD
#6CA6CD
#C36BCC
#C36BCC
#CC926B
#CC926B
#75CC6B
#75CC6B
Skyblue3 in every color space
Full conversion of Skyblue3 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
#6CA6CD
RGB
rgb(108, 166, 205)
CMYK
cmyk(47%, 19%, 0%, 20%)
HSL
hsl(204, 49%, 61%)
HSV
hsv(204, 47%, 80%)
HWB
hwb(204 42% 20%)
CIE Lab
lab(65.6 -8.3 -25.8)
OKLCH
oklch(70.0% 0.083 239.0)
XYZ (D65)
xyz(30.84, 34.87, 62.85)
Copy-ready code for Skyblue3
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: #6CA6CD;
background-color: #6CA6CD;CSS variable
:root {
--color-skyblue3: #6CA6CD;
}Tailwind config
// tailwind.config.js
colors: {
'skyblue3': '#6CA6CD',
}Sass
$color-skyblue3: #6CA6CD;Swift UIColor
UIColor(red: 0.424, green: 0.651, blue: 0.804, alpha: 1.0)Android XML
<color name="skyblue3">#6CA6CD</color>Closest match in every color system
The nearest Skyblue3 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 7001
#8F999F
Silver grey
RAL 7000
#7E8B92
Squirrel grey
RAL 7040
#9DA1AA
Window grey
RAL 5024
#5D9B9B
Pastel blue
RAL 7004
#9EA0A1
Signal grey
FAQ about Skyblue3
What is the HEX code for Skyblue3?
Skyblue3 (skyblue3) has the HEX code #6CA6CD. In RGB it is rgb(108, 166, 205), and in CMYK it is cmyk(47%, 19%, 0%, 20%).
What is the OKLCH value of Skyblue3?
Skyblue3 converts to oklch(0.700 0.083 239.0). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Skyblue3 accessible for body text?
Used as a background, Skyblue3 has a contrast ratio of 7.97:1 with black text and 2.63:1 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 Skyblue3?
The closest Pantone reference to Skyblue3 by ΔE2000 perceptual distance is Pantone 284 C (#6CACE4). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Skyblue3?
The closest RAL Classic reference to Skyblue3 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 Skyblue3?
The complementary color (180° opposite on the HSL color wheel) of Skyblue3 is #CC926B. 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.