#51271B#51271B
#51271B is a dark, moderate red. Relative luminance 0.033; OKLCH L 32.7% C 0.066 H 36.8°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).
Color values
| HEX | #51271B |
|---|---|
| RGB | rgb(81, 39, 27) |
| HSL | hsl(13, 50%, 21%) |
| HSV | hsv(13, 67%, 32%) |
| CMYK | cmyk(0%, 51.9%, 66.7%, 68.2%) |
| CIE-LAB | lab(21.13, 18.34, 16.70) |
| CIE-LCH | lch(21.13, 24.80, 42.31°) |
| OKLab | oklab(32.7% 0.0531 0.0398) |
| OKLCH | oklch(32.7% 0.066 36.8) |
| XYZ | xyz(4.3170, 3.2800, 1.4425) |
| Luminance | 0.0328 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Chocolate Brown
#411900
ΔE00 5.72
Chocolate (survey)
#3D1C02
ΔE00 6.83
Mahogany
#4A0100
ΔE00 9.19
Dried Blood
#4B0101
ΔE00 9.20
Deep Brown
#410200
ΔE00 9.58
Dark Brown
#341C02
ΔE00 9.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51271B #1B4551
analogous
#511B2A #51271B #51421B
triadic
#51271B #1B5127 #271B51
tetradic
#51271B #2A511B #1B4551 #421B51
square
#51271B #2A511B #1B4551 #421B51
split-complementary
#51271B #1B5142 #1B2A51
monochromatic
#170B08 #23110C #51271B #7F3D2A #AD533A
Accessibility & contrast
On white
12.68
#51271B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.66
#51271B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #51271B
12.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51271B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##51271B | 1.00 | 12.68 | 1.66 | 12.68 |
| #FFFFFF | 12.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#322D1A
Deuteranopia (green-blind)
#3C361A
Tritanopia (blue-blind)
#591F24
Achromatopsia (no color)
#333333
Design tokens & code
CSS
--color: #51271b; /* rgb */ color: rgb(81, 39, 27); /* oklch */ color: oklch(32.7% 0.066 36.8);
Tailwind
colors: {
custom: {
50: '#856257',
500: '#51271b',
950: '#000000',
},
}SCSS
$custom: #51271b; $custom-light: #856257; $custom-dark: #000000;
JSON
{
"hex": "#51271b",
"rgb": {
"r": 81,
"g": 39,
"b": 27
},
"hsl": {
"h": 13.333,
"s": 50,
"l": 21.176
},
"oklch": {
"l": 0.32702,
"c": 0.06634,
"h": 36.8
},
"luminance": 0.0328
}Semantic roles & 50–950 ramp
primary
#51271B
secondary
#417787
accent
#BBDA4E
background
#F8F5F5
surface
#F0EAE9
border
#CBC6C5
text
#0B0503
muted
#7C7978