Red 7
red-7 · #F03E3E
HEX
#F03E3E
RGB
rgb(240, 62, 62)
CMYK
cmyk(0%, 74%, 74%, 6%)
HSL
hsl(0, 86%, 59%)
LAB
lab(54.4, 66.7, 41.8)
What is Red 7?
Red 7 is the red-7 reference in the Open Color. Its sRGB value is #F03E3E (rgb 240, 62, 62). It sits in the red family. Open Color, an open-source color palette by Heeyeun designed for UI work. 13 hues across 10 shades (0 to 9) tuned for screen legibility and accessibility. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Red 7 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Red 7
An 11-step tonal scale derived from Red 7 (#F03E3E). 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
#FEF0F0
#FEF0F0
100
#FDE0E0
#FDE0E0
200
#FAC1C1
#FAC1C1
300
#F89F9F
#F89F9F
400
#F46E6E
#F46E6E
500
#F03E3E
#F03E3E
600
#CC3535
#CC3535
700
#9C2828
#9C2828
800
#6C1C1C
#6C1C1C
900
#3C1010
#3C1010
950
#1D0707
#1D0707
Lighter tints (mixed with white)
15%
#F27979
30%
#F59C9C
45%
#F7B8B8
60%
#F9CECE
75%
#FBE2E2
Darker shades (mixed with black)
15%
#DF3939
30%
#CD3434
45%
#B82D2D
60%
#9F2626
75%
#811D1D
Color harmonies for Red 7
Classic color-theory harmonies derived from rotating the hue of Red 7. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#F03E3E
#F03E3E
#3DF0F0
#3DF0F0
Triadic
Three colors 120° apart
#F03E3E
#F03E3E
#3DF03D
#3DF03D
#3D3DF0
#3D3DF0
Analogous
Two neighbors ±30° on the wheel
#F03D96
#F03D96
#F03E3E
#F03E3E
#F0963D
#F0963D
Split-complementary
Base + two colors flanking its complement
#F03E3E
#F03E3E
#3DF096
#3DF096
#3D96F0
#3D96F0
Tetradic
Two complementary pairs
#F03E3E
#F03E3E
#F0F03D
#F0F03D
#3DF0F0
#3DF0F0
#3D3DF0
#3D3DF0
Square
Four colors evenly spaced 90° apart
#F03E3E
#F03E3E
#96F03D
#96F03D
#3DF0F0
#3DF0F0
#963DF0
#963DF0
Red 7 in every color space
Full conversion of Red 7 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
#F03E3E
RGB
rgb(240, 62, 62)
CMYK
cmyk(0%, 74%, 74%, 6%)
HSL
hsl(0, 86%, 59%)
HSV
hsv(0, 74%, 94%)
HWB
hwb(0 24% 6%)
CIE Lab
lab(54.4 66.7 41.8)
OKLCH
oklch(63.2% 0.214 25.8)
XYZ (D65)
xyz(38.53, 22.32, 6.84)
Copy-ready code for Red 7
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: #F03E3E;
background-color: #F03E3E;CSS variable
:root {
--color-red-7: #F03E3E;
}Tailwind config
// tailwind.config.js
colors: {
'red-7': '#F03E3E',
}Sass
$color-red-7: #F03E3E;Swift UIColor
UIColor(red: 0.941, green: 0.243, blue: 0.243, alpha: 1.0)Android XML
<color name="red-7">#F03E3E</color>Closest match in every color system
The nearest Red 7 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 Open Color
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 3017
#E63244
Rose
RAL 2012
#E55137
Salmon orange
RAL 3018
#D53032
Strawberry red
RAL 2009
#F54021
Traffic orange
RAL 3022
#D95030
Salmon pink
RAL 3028
#CB3234
Pure red
FAQ about Red 7
What is the HEX code for Red 7?
Red 7 (red-7) has the HEX code #F03E3E. In RGB it is rgb(240, 62, 62), and in CMYK it is cmyk(0%, 74%, 74%, 6%).
What is the OKLCH value of Red 7?
Red 7 converts to oklch(0.632 0.214 25.8). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Red 7 accessible for body text?
Used as a background, Red 7 has a contrast ratio of 5.46:1 with black text and 3.84:1 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 Red 7?
The closest Pantone reference to Red 7 by ΔE2000 perceptual distance is Pantone Red 032 C (#EF3340). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Red 7?
The closest RAL Classic reference to Red 7 by ΔE2000 distance is RAL 3017 (Rose, #E63244). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Red 7?
The complementary color (180° opposite on the HSL color wheel) of Red 7 is #3DF0F0. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
Open Color (Yeun)
Open Color, an open-source color palette by Heeyeun designed for UI designers and developers. 13 hues across 10 shades. Use as a designer-friendly palette alternative to Tailwind. Values are intentionally chosen for UI legibility and accessibility.
- Source type
- derived
- Confidence
- high
- License
- MIT
- Last reviewed
- 2026-05-24
Workflow tags
Open Color values are tuned for digital UI. For print, treat as a starting point and proof against the substrate.