#B1552F#B1552F
#B1552F is a mid, vivid orange. Relative luminance 0.160; OKLCH L 55.7% C 0.131 H 41.9°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B1552F |
|---|---|
| RGB | rgb(177, 85, 47) |
| HSL | hsl(18, 58%, 44%) |
| HSV | hsv(18, 73%, 69%) |
| CMYK | cmyk(0%, 52%, 73.4%, 30.6%) |
| CIE-LAB | lab(47.04, 34.77, 38.87) |
| CIE-LCH | lch(47.04, 52.15, 48.18°) |
| OKLab | oklab(55.65% 0.0973 0.0873) |
| OKLCH | oklch(55.65% 0.131 41.9) |
| XYZ | xyz(21.8951, 16.0520, 4.6341) |
| Luminance | 0.1605 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.86
Burnt Sienna
#B04E0F
ΔE00 5.18
Sienna (survey)
#A9561E
ΔE00 5.23
Rust
#B7410E
ΔE00 5.26
Brick Orange
#C14A09
ΔE00 5.43
Burnt Orange
#C04E01
ΔE00 6.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1552F #2F8BB1
analogous
#B12F4A #B1552F #B1962F
triadic
#B1552F #2FB155 #552FB1
tetradic
#B1552F #4AB12F #2F8BB1 #962FB1
square
#B1552F #4AB12F #2F8BB1 #962FB1
split-complementary
#B1552F #2FB196 #2F4AB1
monochromatic
#502715 #813E22 #B1552F #D0744D #DD997E
Accessibility & contrast
On white
4.99
#B1552F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#B1552F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1552F
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1552F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1552F | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E632B
Deuteranopia (green-blind)
#85772D
Tritanopia (blue-blind)
#C2424D
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #b1552f; /* rgb */ color: rgb(177, 85, 47); /* oklch */ color: oklch(55.7% 0.131 41.9);
Tailwind
colors: {
custom: {
50: '#cf8769',
500: '#b1552f',
950: '#000000',
},
}SCSS
$custom: #b1552f; $custom-light: #cf8769; $custom-dark: #000000;
JSON
{
"hex": "#b1552f",
"rgb": {
"r": 177,
"g": 85,
"b": 47
},
"hsl": {
"h": 17.538,
"s": 58.036,
"l": 43.922
},
"oklch": {
"l": 0.55653,
"c": 0.13077,
"h": 41.9
},
"luminance": 0.16049
}Semantic roles & 50–950 ramp
primary
#B1552F
secondary
#76AEC5
accent
#B4E147
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A