#B1372D#B1372D
#B1372D is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.160 H 28.6°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).
Color values
| HEX | #B1372D |
|---|---|
| RGB | rgb(177, 55, 45) |
| HSL | hsl(5, 59%, 44%) |
| HSV | hsv(5, 75%, 69%) |
| CMYK | cmyk(0%, 68.9%, 74.6%, 30.6%) |
| CIE-LAB | lab(41.65, 48.79, 34.03) |
| CIE-LCH | lch(41.65, 59.49, 34.90°) |
| OKLab | oklab(51.57% 0.1404 0.0765) |
| OKLCH | oklch(51.57% 0.16 28.6) |
| XYZ | xyz(19.9735, 12.2719, 3.7991) |
| Luminance | 0.1227 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.10
Brown
#A52A2A
ΔE00 4.15
Brick
#A03623
ΔE00 4.18
Brownish Red
#9E3623
ΔE00 4.50
Dull Red
#BB3F3F
ΔE00 4.64
Scarlet
#BE0119
ΔE00 4.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1372D #2DA7B1
analogous
#B12D65 #B1372D #B1792D
triadic
#B1372D #2DB137 #372DB1
tetradic
#B1372D #65B12D #2DA7B1 #792DB1
square
#B1372D #65B12D #2DA7B1 #792DB1
split-complementary
#B1372D #2DB179 #2D65B1
monochromatic
#4F1914 #802821 #B1372D #D1544A #DD827B
Accessibility & contrast
On white
6.08
#B1372D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.45
#B1372D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1372D
6.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1372D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1372D | 1.00 | 6.08 | 3.45 | 6.08 |
| #FFFFFF | 6.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A512B
Deuteranopia (green-blind)
#786C29
Tritanopia (blue-blind)
#C30F36
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #b1372d; /* rgb */ color: rgb(177, 55, 45); /* oklch */ color: oklch(51.6% 0.160 28.6);
Tailwind
colors: {
custom: {
50: '#d07566',
500: '#b1372d',
950: '#000000',
},
}SCSS
$custom: #b1372d; $custom-light: #d07566; $custom-dark: #000000;
JSON
{
"hex": "#b1372d",
"rgb": {
"r": 177,
"g": 55,
"b": 45
},
"hsl": {
"h": 4.545,
"s": 59.459,
"l": 43.529
},
"oklch": {
"l": 0.51565,
"c": 0.15985,
"h": 28.6
},
"luminance": 0.12269
}Semantic roles & 50–950 ramp
primary
#B1372D
secondary
#74C0C6
accent
#D7E345
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150906
muted
#837B7A