#B13A2F#B13A2F
#B13A2F is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.157 H 28.8°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).
Color values
| HEX | #B13A2F |
|---|---|
| RGB | rgb(177, 58, 47) |
| HSL | hsl(5, 58%, 44%) |
| HSV | hsv(5, 73%, 69%) |
| CMYK | cmyk(0%, 67.2%, 73.4%, 30.6%) |
| CIE-LAB | lab(42.13, 47.64, 33.42) |
| CIE-LCH | lch(42.13, 58.20, 35.05°) |
| OKLab | oklab(51.93% 0.1372 0.0756) |
| OKLCH | oklch(51.93% 0.157 28.8) |
| XYZ | xyz(20.1598, 12.5814, 4.0557) |
| Luminance | 0.1258 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.66
Brick
#A03623
ΔE00 4.36
Dull Red
#BB3F3F
ΔE00 4.39
Brown
#A52A2A
ΔE00 4.55
Brownish Red
#9E3623
ΔE00 4.67
Scarlet
#BE0119
ΔE00 5.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13A2F #2FA6B1
analogous
#B12F65 #B13A2F #B17B2F
triadic
#B13A2F #2FB13A #3A2FB1
tetradic
#B13A2F #65B12F #2FA6B1 #7B2FB1
square
#B13A2F #65B12F #2FA6B1 #7B2FB1
split-complementary
#B13A2F #2FB17B #2F65B1
monochromatic
#501A15 #812A22 #B13A2F #D0584D #DD867E
Accessibility & contrast
On white
5.97
#B13A2F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.52
#B13A2F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13A2F
5.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13A2F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13A2F | 1.00 | 5.97 | 3.52 | 5.97 |
| #FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B532D
Deuteranopia (green-blind)
#796D2B
Tritanopia (blue-blind)
#C31838
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b13a2f; /* rgb */ color: rgb(177, 58, 47); /* oklch */ color: oklch(51.9% 0.157 28.8);
Tailwind
colors: {
custom: {
50: '#d07768',
500: '#b13a2f',
950: '#000000',
},
}SCSS
$custom: #b13a2f; $custom-light: #d07768; $custom-dark: #000000;
JSON
{
"hex": "#b13a2f",
"rgb": {
"r": 177,
"g": 58,
"b": 47
},
"hsl": {
"h": 5.077,
"s": 58.036,
"l": 43.922
},
"oklch": {
"l": 0.51933,
"c": 0.15663,
"h": 28.8
},
"luminance": 0.12578
}Semantic roles & 50–950 ramp
primary
#B13A2F
secondary
#76BFC5
accent
#D4E147
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150906
muted
#837B7A