#B15B2B#B15B2B
#B15B2B is a mid, vivid orange. Relative luminance 0.170; OKLCH L 56.6% C 0.127 H 47.3°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #B15B2B |
|---|---|
| RGB | rgb(177, 91, 43) |
| HSL | hsl(21, 61%, 43%) |
| HSV | hsv(21, 76%, 69%) |
| CMYK | cmyk(0%, 48.6%, 75.7%, 30.6%) |
| CIE-LAB | lab(48.27, 31.42, 42.21) |
| CIE-LCH | lch(48.27, 52.62, 53.34°) |
| OKLab | oklab(56.58% 0.0864 0.0936) |
| OKLCH | oklch(56.58% 0.127 47.3) |
| XYZ | xyz(22.3107, 17.0063, 4.3927) |
| Luminance | 0.1700 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 3.06
Burnt Sienna
#B04E0F
ΔE00 4.16
Copper (survey)
#B66325
ΔE00 4.26
Burnt Siena
#B75203
ΔE00 4.55
Cinnamon
#AC4F06
ΔE00 5.00
Sienna
#A0522D
ΔE00 5.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B15B2B #2B81B1
analogous
#B12B3E #B15B2B #B19E2B
triadic
#B15B2B #2BB15B #5B2BB1
tetradic
#B15B2B #3EB12B #2B81B1 #9E2BB1
square
#B15B2B #3EB12B #2B81B1 #9E2BB1
split-complementary
#B15B2B #2BB19E #2B3EB1
monochromatic
#4F2813 #80421F #B15B2B #D27947 #DE9D78
Accessibility & contrast
On white
4.77
#B15B2B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.40
#B15B2B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B15B2B
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B15B2B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B15B2B | 1.00 | 4.77 | 4.40 | 4.77 |
| #FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#736725
Deuteranopia (green-blind)
#887A2A
Tritanopia (blue-blind)
#C24951
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #b15b2b; /* rgb */ color: rgb(177, 91, 43); /* oklch */ color: oklch(56.6% 0.127 47.3);
Tailwind
colors: {
custom: {
50: '#cf8b67',
500: '#b15b2b',
950: '#000000',
},
}SCSS
$custom: #b15b2b; $custom-light: #cf8b67; $custom-dark: #000000;
JSON
{
"hex": "#b15b2b",
"rgb": {
"r": 177,
"g": 91,
"b": 43
},
"hsl": {
"h": 21.493,
"s": 60.909,
"l": 43.137
},
"oklch": {
"l": 0.56576,
"c": 0.12743,
"h": 47.3
},
"luminance": 0.17004
}Semantic roles & 50–950 ramp
primary
#B15B2B
secondary
#72A8C6
accent
#ABE444
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A