#7C181B#7C181B
#7C181B is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.5% C 0.134 H 24.9°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).
Color values
| HEX | #7C181B |
|---|---|
| RGB | rgb(124, 24, 27) |
| HSL | hsl(358, 68%, 29%) |
| HSV | hsv(358, 81%, 49%) |
| CMYK | cmyk(0%, 80.6%, 78.2%, 51.4%) |
| CIE-LAB | lab(26.79, 42.09, 25.41) |
| CIE-LCH | lch(26.79, 49.16, 31.12°) |
| OKLab | oklab(38.52% 0.1219 0.0567) |
| OKLCH | oklch(38.52% 0.134 24.9) |
| XYZ | xyz(8.8377, 5.0189, 1.5401) |
| Luminance | 0.0502 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Burgundy
#800020
ΔE00 4.35
Crimson (survey)
#8C000F
ΔE00 4.40
Blood
#770001
ΔE00 5.01
Reddy Brown
#6E1005
ΔE00 5.30
Rosewood
#65000B
ΔE00 5.45
Maroon
#800000
ΔE00 5.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#7C181B #187C79
analogous
#7C184D #7C181B #7C4718
triadic
#7C181B #1B7C18 #181B7C
tetradic
#7C181B #4D7C18 #187C79 #47187C
square
#7C181B #4D7C18 #187C79 #47187C
split-complementary
#7C181B #187C47 #184D7C
monochromatic
#1A0506 #490E10 #7C181B #AF2226 #D8363B
Accessibility & contrast
On white
10.48
#7C181B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.00
#7C181B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #7C181B
10.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##7C181B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##7C181B | 1.00 | 10.48 | 2.00 | 10.48 |
| #FFFFFF | 10.48 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.48 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#37321A
Deuteranopia (green-blind)
#504717
Tritanopia (blue-blind)
#89001A
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #7c181b; /* rgb */ color: rgb(124, 24, 27); /* oklch */ color: oklch(38.5% 0.134 24.9);
Tailwind
colors: {
custom: {
50: '#aa5f57',
500: '#7c181b',
950: '#000000',
},
}SCSS
$custom: #7c181b; $custom-light: #aa5f57; $custom-dark: #000000;
JSON
{
"hex": "#7c181b",
"rgb": {
"r": 124,
"g": 24,
"b": 27
},
"hsl": {
"h": 358.2,
"s": 67.568,
"l": 29.02
},
"oklch": {
"l": 0.38515,
"c": 0.13448,
"h": 24.9
},
"luminance": 0.05017
}Semantic roles & 50–950 ramp
primary
#7C181B
secondary
#3FB1AD
accent
#EAE53D
background
#FBF5F5
surface
#F6EAE9
border
#D0C6C5
text
#110503
muted
#807978