#B13A28#B13A28
#B13A28 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.158 H 31.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B13A28 |
|---|---|
| RGB | rgb(177, 58, 40) |
| HSL | hsl(8, 63%, 43%) |
| HSV | hsv(8, 77%, 69%) |
| CMYK | cmyk(0%, 67.2%, 77.4%, 30.6%) |
| CIE-LAB | lab(42.05, 47.35, 37.28) |
| CIE-LCH | lch(42.05, 60.26, 38.22°) |
| OKLab | oklab(51.85% 0.1348 0.0822) |
| OKLCH | oklch(51.85% 0.158 31.4) |
| XYZ | xyz(20.0298, 12.5294, 3.3708) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.66
Brownish Red
#9E3623
ΔE00 4.04
Firebrick
#B22222
ΔE00 4.22
Rusty Red
#AF2F0D
ΔE00 4.70
Scarlet
#BE0119
ΔE00 5.50
Brown
#A52A2A
ΔE00 5.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13A28 #289FB1
analogous
#B1285B #B13A28 #B17E28
triadic
#B13A28 #28B13A #3A28B1
tetradic
#B13A28 #5BB128 #289FB1 #7E28B1
square
#B13A28 #5BB128 #289FB1 #7E28B1
split-complementary
#B13A28 #28B17E #285BB1
monochromatic
#4D1911 #7F2A1D #B13A28 #D45542 #E08274
Accessibility & contrast
On white
5.99
#B13A28 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#B13A28 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13A28
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13A28 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13A28 | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C5325
Deuteranopia (green-blind)
#7A6D23
Tritanopia (blue-blind)
#C31637
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b13a28; /* rgb */ color: rgb(177, 58, 40); /* oklch */ color: oklch(51.8% 0.158 31.4);
Tailwind
colors: {
custom: {
50: '#d17763',
500: '#b13a28',
950: '#000000',
},
}SCSS
$custom: #b13a28; $custom-light: #d17763; $custom-dark: #000000;
JSON
{
"hex": "#b13a28",
"rgb": {
"r": 177,
"g": 58,
"b": 40
},
"hsl": {
"h": 7.883,
"s": 63.134,
"l": 42.549
},
"oklch": {
"l": 0.51847,
"c": 0.15792,
"h": 31.4
},
"luminance": 0.12526
}Semantic roles & 50–950 ramp
primary
#B13A28
secondary
#6EBBC7
accent
#D1E642
background
#FDF7F5
surface
#FBEDEA
border
#D4C8C6
text
#160905
muted
#847B79