#891B1B#891B1B
#891B1B is a dark, vivid red. Relative luminance 0.062; OKLCH L 41.3% C 0.145 H 26.4°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).
Color values
| HEX | #891B1B |
|---|---|
| RGB | rgb(137, 27, 27) |
| HSL | hsl(0, 67%, 32%) |
| HSV | hsv(0, 80%, 54%) |
| CMYK | cmyk(0%, 80.3%, 80.3%, 46.3%) |
| CIE-LAB | lab(29.87, 45.26, 29.54) |
| CIE-LCH | lch(29.87, 54.05, 33.13°) |
| OKLab | oklab(41.29% 0.1303 0.0647) |
| OKLCH | oklch(41.29% 0.145 26.4) |
| XYZ | xyz(10.9076, 6.1831, 1.6558) |
| Luminance | 0.0618 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Crimson (survey)
#8C000F
ΔE00 2.68
Carmine
#9D0216
ΔE00 3.93
Indian Red
#850E04
ΔE00 4.67
Dark Red
#840000
ΔE00 4.90
Maroon
#800000
ΔE00 5.00
Darkred
#8B0000
ΔE00 5.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#891B1B #1B8989
analogous
#891B52 #891B1B #89521B
triadic
#891B1B #1B891B #1B1B89
tetradic
#891B1B #52891B #1B8989 #521B89
square
#891B1B #52891B #1B8989 #521B89
split-complementary
#891B1B #1B8952 #1B5289
monochromatic
#230707 #561111 #891B1B #BC2525 #DA4444
Accessibility & contrast
On white
9.39
#891B1B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.24
#891B1B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #891B1B
9.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##891B1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##891B1B | 1.00 | 9.39 | 2.24 | 9.39 |
| #FFFFFF | 9.39 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.39 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D371A
Deuteranopia (green-blind)
#594F16
Tritanopia (blue-blind)
#97001D
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #891b1b; /* rgb */ color: rgb(137, 27, 27); /* oklch */ color: oklch(41.3% 0.145 26.4);
Tailwind
colors: {
custom: {
50: '#b46258',
500: '#891b1b',
950: '#000000',
},
}SCSS
$custom: #891b1b; $custom-light: #b46258; $custom-dark: #000000;
JSON
{
"hex": "#891b1b",
"rgb": {
"r": 137,
"g": 27,
"b": 27
},
"hsl": {
"h": 0,
"s": 67.073,
"l": 32.157
},
"oklch": {
"l": 0.41292,
"c": 0.14544,
"h": 26.4
},
"luminance": 0.06181
}Semantic roles & 50–950 ramp
primary
#891B1B
secondary
#44BCBC
accent
#EAEA3E
background
#FCF6F5
surface
#F8EBE9
border
#D1C6C5
text
#130603
muted
#827A78