#90371E#90371E
#90371E is a mid, vivid red. Relative luminance 0.088; OKLCH L 45.8% C 0.127 H 36.3°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).
Color values
| HEX | #90371E |
|---|---|
| RGB | rgb(144, 55, 30) |
| HSL | hsl(13, 66%, 34%) |
| HSV | hsv(13, 79%, 56%) |
| CMYK | cmyk(0%, 61.8%, 79.2%, 43.5%) |
| CIE-LAB | lab(35.51, 36.26, 34.11) |
| CIE-LCH | lch(35.51, 49.78, 43.25°) |
| OKLab | oklab(45.78% 0.102 0.075) |
| OKLCH | oklch(45.78% 0.127 36.3) |
| XYZ | xyz(13.1035, 8.7572, 2.2284) |
| Luminance | 0.0876 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Red Brown
#8B2E16
ΔE00 2.25
Brownish Red
#9E3623
ΔE00 3.35
Brick
#A03623
ΔE00 3.69
Brown Red
#922B05
ΔE00 3.97
Burnt Red
#9F2305
ΔE00 4.86
Reddish Brown
#7F2B0A
ΔE00 4.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#90371E #1E7790
analogous
#901E3E #90371E #90701E
triadic
#90371E #1E9037 #371E90
tetradic
#90371E #3E901E #1E7790 #701E90
square
#90371E #3E901E #1E7790 #701E90
split-complementary
#90371E #1E9070 #1E3E90
monochromatic
#2B1009 #5D2413 #90371E #C34A29 #DA6D4E
Accessibility & contrast
On white
7.63
#90371E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#90371E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #90371E
7.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##90371E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##90371E | 1.00 | 7.63 | 2.75 | 7.63 |
| #FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#50471B
Deuteranopia (green-blind)
#665B1B
Tritanopia (blue-blind)
#9F2232
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #90371e; /* rgb */ color: rgb(144, 55, 30); /* oklch */ color: oklch(45.8% 0.127 36.3);
Tailwind
colors: {
custom: {
50: '#b8715b',
500: '#90371e',
950: '#000000',
},
}SCSS
$custom: #90371e; $custom-light: #b8715b; $custom-dark: #000000;
JSON
{
"hex": "#90371e",
"rgb": {
"r": 144,
"g": 55,
"b": 30
},
"hsl": {
"h": 13.158,
"s": 65.517,
"l": 34.118
},
"oklch": {
"l": 0.45781,
"c": 0.12658,
"h": 36.3
},
"luminance": 0.08755
}Semantic roles & 50–950 ramp
primary
#90371E
secondary
#4DA4BD
accent
#C3E83F
background
#FCF7F5
surface
#F8EDE9
border
#D1C8C5
text
#130804
muted
#827B79