#B0631F#B0631F
#B0631F is a mid, vivid orange. Relative luminance 0.183; OKLCH L 57.7% C 0.126 H 56.8°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).
Color values
| HEX | #B0631F |
|---|---|
| RGB | rgb(176, 99, 31) |
| HSL | hsl(28, 70%, 41%) |
| HSV | hsv(28, 82%, 69%) |
| CMYK | cmyk(0%, 43.8%, 82.4%, 31%) |
| CIE-LAB | lab(49.80, 26.19, 49.09) |
| CIE-LCH | lch(49.80, 55.64, 61.92°) |
| OKLab | oklab(57.7% 0.0691 0.1054) |
| OKLCH | oklch(57.7% 0.126 56.8) |
| XYZ | xyz(22.6157, 18.2553, 3.6287) |
| Luminance | 0.1825 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Copper (survey)
#B66325
ΔE00 2.23
Orangish Brown
#B25F03
ΔE00 2.46
Orangey Brown
#B16002
ΔE00 2.66
Raw Umber
#A75E09
ΔE00 3.49
Umber (survey)
#B26400
ΔE00 3.55
Orange Brown
#BE6400
ΔE00 3.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B0631F #1F6CB0
analogous
#B01F23 #B0631F #B0AB1F
triadic
#B0631F #1FB063 #631FB0
tetradic
#B0631F #23B01F #1F6CB0 #AB1FB0
square
#B0631F #23B01F #1F6CB0 #AB1FB0
split-complementary
#B0631F #1FB0AB #1F23B0
monochromatic
#48280D #7C4616 #B0631F #DB8131 #E4A165
Accessibility & contrast
On white
4.52
#B0631F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.65
#B0631F on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #B0631F
4.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B0631F | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##B0631F | 1.00 | 4.52 | 4.65 | 4.65 |
| #FFFFFF | 4.52 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.65 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.65 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7A6C13
Deuteranopia (green-blind)
#8C7D1F
Tritanopia (blue-blind)
#C15256
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #b0631f; /* rgb */ color: rgb(176, 99, 31); /* oklch */ color: oklch(57.7% 0.126 56.8);
Tailwind
colors: {
custom: {
50: '#ce9061',
500: '#b0631f',
950: '#000000',
},
}SCSS
$custom: #b0631f; $custom-light: #ce9061; $custom-dark: #000000;
JSON
{
"hex": "#b0631f",
"rgb": {
"r": 176,
"g": 99,
"b": 31
},
"hsl": {
"h": 28.138,
"s": 70.048,
"l": 40.588
},
"oklch": {
"l": 0.57697,
"c": 0.12601,
"h": 56.8
},
"luminance": 0.18253
}Semantic roles & 50–950 ramp
primary
#B0631F
secondary
#6299C9
accent
#99ED3B
background
#FDF8F5
surface
#FBF0EA
border
#D4CBC6
text
#150C05
muted
#837D79