#B15A2B#B15A2B
#B15A2B is a mid, vivid orange. Relative luminance 0.168; OKLCH L 56.4% C 0.128 H 46.6°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #B15A2B |
|---|---|
| RGB | rgb(177, 90, 43) |
| HSL | hsl(21, 61%, 43%) |
| HSV | hsv(21, 76%, 69%) |
| CMYK | cmyk(0%, 49.2%, 75.7%, 30.6%) |
| CIE-LAB | lab(48.05, 31.95, 41.99) |
| CIE-LCH | lch(48.05, 52.76, 52.73°) |
| OKLab | oklab(56.41% 0.0881 0.0932) |
| OKLCH | oklch(56.41% 0.128 46.6) |
| XYZ | xyz(22.2258, 16.8365, 4.3644) |
| Luminance | 0.1683 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna (survey)
#A9561E
ΔE00 3.16
Burnt Sienna
#B04E0F
ΔE00 4.05
Burnt Siena
#B75203
ΔE00 4.65
Copper (survey)
#B66325
ΔE00 4.67
Sienna
#A0522D
ΔE00 4.74
Cinnamon
#AC4F06
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B15A2B #2B82B1
analogous
#B12B3F #B15A2B #B19D2B
triadic
#B15A2B #2BB15A #5A2BB1
tetradic
#B15A2B #3FB12B #2B82B1 #9D2BB1
square
#B15A2B #3FB12B #2B82B1 #9D2BB1
split-complementary
#B15A2B #2BB19D #2B3FB1
monochromatic
#4F2813 #80411F #B15A2B #D27847 #DE9C78
Accessibility & contrast
On white
4.81
#B15A2B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.37
#B15A2B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B15A2B
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B15A2B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B15A2B | 1.00 | 4.81 | 4.37 | 4.81 |
| #FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#726625
Deuteranopia (green-blind)
#877A29
Tritanopia (blue-blind)
#C24850
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #b15a2b; /* rgb */ color: rgb(177, 90, 43); /* oklch */ color: oklch(56.4% 0.128 46.6);
Tailwind
colors: {
custom: {
50: '#cf8a67',
500: '#b15a2b',
950: '#000000',
},
}SCSS
$custom: #b15a2b; $custom-light: #cf8a67; $custom-dark: #000000;
JSON
{
"hex": "#b15a2b",
"rgb": {
"r": 177,
"g": 90,
"b": 43
},
"hsl": {
"h": 21.045,
"s": 60.909,
"l": 43.137
},
"oklch": {
"l": 0.56412,
"c": 0.12819,
"h": 46.6
},
"luminance": 0.16834
}Semantic roles & 50–950 ramp
primary
#B15A2B
secondary
#72A9C6
accent
#ACE444
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150C06
muted
#837D7A