#B55D2F#B55D2F
#B55D2F is a mid, vivid orange. Relative luminance 0.179; OKLCH L 57.5% C 0.129 H 46.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).
Color values
| HEX | #B55D2F |
|---|---|
| RGB | rgb(181, 93, 47) |
| HSL | hsl(21, 59%, 45%) |
| HSV | hsv(21, 74%, 71%) |
| CMYK | cmyk(0%, 48.6%, 74%, 29%) |
| CIE-LAB | lab(49.33, 32.18, 41.50) |
| CIE-LCH | lch(49.33, 52.51, 52.21°) |
| OKLab | oklab(57.52% 0.0891 0.0928) |
| OKLCH | oklch(57.52% 0.129 46.2) |
| XYZ | xyz(23.4857, 17.8605, 4.8994) |
| Luminance | 0.1786 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 4.31
Copper (survey)
#B66325
ΔE00 4.40
Rust Orange
#C45508
ΔE00 5.07
Burnt Sienna
#B04E0F
ΔE00 5.11
Burnt Siena
#B75203
ΔE00 5.28
Terra Cotta
#C9643B
ΔE00 5.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B55D2F #2F87B5
analogous
#B52F44 #B55D2F #B5A02F
triadic
#B55D2F #2FB55D #5D2FB5
tetradic
#B55D2F #44B52F #2F87B5 #A02FB5
square
#B55D2F #44B52F #2F87B5 #A02FB5
split-complementary
#B55D2F #2FB5A0 #2F44B5
monochromatic
#542B16 #844422 #B55D2F #D17C50 #DEA180
Accessibility & contrast
On white
4.59
#B55D2F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.57
#B55D2F on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #B55D2F
4.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B55D2F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B55D2F | 1.00 | 4.59 | 4.57 | 4.59 |
| #FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#76692A
Deuteranopia (green-blind)
#8B7D2E
Tritanopia (blue-blind)
#C64B53
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #b55d2f; /* rgb */ color: rgb(181, 93, 47); /* oklch */ color: oklch(57.5% 0.129 46.2);
Tailwind
colors: {
custom: {
50: '#d18c6a',
500: '#b55d2f',
950: '#000000',
},
}SCSS
$custom: #b55d2f; $custom-light: #d18c6a; $custom-dark: #000000;
JSON
{
"hex": "#b55d2f",
"rgb": {
"r": 181,
"g": 93,
"b": 47
},
"hsl": {
"h": 20.597,
"s": 58.772,
"l": 44.706
},
"oklch": {
"l": 0.57518,
"c": 0.12861,
"h": 46.2
},
"luminance": 0.17858
}Semantic roles & 50–950 ramp
primary
#B55D2F
secondary
#79ACC7
accent
#ACE246
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A