#B54F31#B54F31
#B54F31 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.4% C 0.140 H 37.0°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).
Color values
| HEX | #B54F31 |
|---|---|
| RGB | rgb(181, 79, 49) |
| HSL | hsl(14, 57%, 45%) |
| HSV | hsv(14, 73%, 71%) |
| CMYK | cmyk(0%, 56.4%, 72.9%, 29%) |
| CIE-LAB | lab(46.50, 39.49, 37.38) |
| CIE-LCH | lch(46.50, 54.38, 43.43°) |
| OKLab | oklab(55.37% 0.1118 0.0844) |
| OKLCH | oklch(55.37% 0.14 37) |
| XYZ | xyz(22.4086, 15.6404, 4.7440) |
| Luminance | 0.1564 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rust
#B7410E
ΔE00 5.42
Sienna
#A0522D
ΔE00 5.49
Brick Orange
#C14A09
ΔE00 6.70
Rust (survey)
#A83C09
ΔE00 7.20
Rusty Red
#AF2F0D
ΔE00 7.28
Burnt Sienna
#B04E0F
ΔE00 7.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B54F31 #3197B5
analogous
#B53155 #B54F31 #B59131
triadic
#B54F31 #31B54F #4F31B5
tetradic
#B54F31 #55B531 #3197B5 #9131B5
square
#B54F31 #55B531 #3197B5 #9131B5
split-complementary
#B54F31 #31B591 #3155B5
monochromatic
#552517 #853A24 #B54F31 #D06F53 #DD9883
Accessibility & contrast
On white
5.09
#B54F31 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.13
#B54F31 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B54F31
5.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B54F31 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B54F31 | 1.00 | 5.09 | 4.13 | 5.09 |
| #FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B602D
Deuteranopia (green-blind)
#84772E
Tritanopia (blue-blind)
#C73948
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b54f31; /* rgb */ color: rgb(181, 79, 49); /* oklch */ color: oklch(55.4% 0.140 37.0);
Tailwind
colors: {
custom: {
50: '#d2836a',
500: '#b54f31',
950: '#000000',
},
}SCSS
$custom: #b54f31; $custom-light: #d2836a; $custom-dark: #000000;
JSON
{
"hex": "#b54f31",
"rgb": {
"r": 181,
"g": 79,
"b": 49
},
"hsl": {
"h": 13.636,
"s": 57.391,
"l": 45.098
},
"oklch": {
"l": 0.5537,
"c": 0.14005,
"h": 37
},
"luminance": 0.15637
}Semantic roles & 50–950 ramp
primary
#B54F31
secondary
#7BB6C7
accent
#BEE147
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A