#B03B29#B03B29
#B03B29 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.156 H 31.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B03B29 |
|---|---|
| RGB | rgb(176, 59, 41) |
| HSL | hsl(8, 62%, 43%) |
| HSV | hsv(8, 77%, 69%) |
| CMYK | cmyk(0%, 66.5%, 76.7%, 31%) |
| CIE-LAB | lab(42.03, 46.61, 36.66) |
| CIE-LCH | lch(42.03, 59.30, 38.18°) |
| OKLab | oklab(51.81% 0.1329 0.0812) |
| OKLCH | oklch(51.81% 0.156 31.4) |
| XYZ | xyz(19.8709, 12.5210, 3.4679) |
| Luminance | 0.1252 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.56
Brownish Red
#9E3623
ΔE00 3.94
Firebrick
#B22222
ΔE00 4.31
Rusty Red
#AF2F0D
ΔE00 4.84
Brown
#A52A2A
ΔE00 5.68
Scarlet
#BE0119
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B03B29 #299EB0
analogous
#B0295A #B03B29 #B07E29
triadic
#B03B29 #29B03B #3B29B0
tetradic
#B03B29 #5AB029 #299EB0 #7E29B0
square
#B03B29 #5AB029 #299EB0 #7E29B0
split-complementary
#B03B29 #29B07E #295AB0
monochromatic
#4D1A12 #7E2A1D #B03B29 #D35643 #DF8375
Accessibility & contrast
On white
5.99
#B03B29 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#B03B29 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B03B29
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B03B29 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B03B29 | 1.00 | 5.99 | 3.50 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C5326
Deuteranopia (green-blind)
#796D25
Tritanopia (blue-blind)
#C21938
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b03b29; /* rgb */ color: rgb(176, 59, 41); /* oklch */ color: oklch(51.8% 0.156 31.4);
Tailwind
colors: {
custom: {
50: '#d07764',
500: '#b03b29',
950: '#000000',
},
}SCSS
$custom: #b03b29; $custom-light: #d07764; $custom-dark: #000000;
JSON
{
"hex": "#b03b29",
"rgb": {
"r": 176,
"g": 59,
"b": 41
},
"hsl": {
"h": 8,
"s": 62.212,
"l": 42.549
},
"oklch": {
"l": 0.51808,
"c": 0.15571,
"h": 31.4
},
"luminance": 0.12518
}Semantic roles & 50–950 ramp
primary
#B03B29
secondary
#6FBBC6
accent
#D0E543
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150905
muted
#837B7A