#BB372D#BB372D
#BB372D is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.170 H 28.5°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).
Color values
| HEX | #BB372D |
|---|---|
| RGB | rgb(187, 55, 45) |
| HSL | hsl(4, 61%, 45%) |
| HSV | hsv(4, 76%, 73%) |
| CMYK | cmyk(0%, 70.6%, 75.9%, 26.7%) |
| CIE-LAB | lab(43.49, 52.12, 36.59) |
| CIE-LCH | lch(43.49, 63.68, 35.07°) |
| OKLab | oklab(53.29% 0.1496 0.0814) |
| OKLCH | oklch(53.29% 0.17 28.5) |
| XYZ | xyz(22.3359, 13.4900, 3.9098) |
| Luminance | 0.1349 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 4.10
Dull Red
#BB3F3F
ΔE00 4.27
Reddish
#C44240
ΔE00 4.61
Scarlet
#BE0119
ΔE00 4.88
Brick
#A03623
ΔE00 5.81
Brown
#A52A2A
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB372D #2DB1BB
analogous
#BB2D6A #BB372D #BB7E2D
triadic
#BB372D #2DBB37 #372DBB
tetradic
#BB372D #6ABB2D #2DB1BB #7E2DBB
square
#BB372D #6ABB2D #2DB1BB #7E2DBB
split-complementary
#BB372D #2DBB7E #2D6ABB
monochromatic
#581A15 #8A2821 #BB372D #D55A50 #E18882
Accessibility & contrast
On white
5.68
#BB372D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.70
#BB372D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB372D
5.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB372D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB372D | 1.00 | 5.68 | 3.70 | 5.68 |
| #FFFFFF | 5.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D542B
Deuteranopia (green-blind)
#7E7128
Tritanopia (blue-blind)
#CE0236
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #bb372d; /* rgb */ color: rgb(187, 55, 45); /* oklch */ color: oklch(53.3% 0.170 28.5);
Tailwind
colors: {
custom: {
50: '#d87667',
500: '#bb372d',
950: '#000000',
},
}SCSS
$custom: #bb372d; $custom-light: #d87667; $custom-dark: #000000;
JSON
{
"hex": "#bb372d",
"rgb": {
"r": 187,
"g": 55,
"b": 45
},
"hsl": {
"h": 4.225,
"s": 61.207,
"l": 45.49
},
"oklch": {
"l": 0.53287,
"c": 0.17032,
"h": 28.5
},
"luminance": 0.13487
}Semantic roles & 50–950 ramp
primary
#BB372D
secondary
#7AC4CA
accent
#D9E443
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#160906
muted
#847B7A