#B1552D#B1552D
#B1552D is a mid, vivid orange. Relative luminance 0.160; OKLCH L 55.6% C 0.131 H 42.7°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B1552D |
|---|---|
| RGB | rgb(177, 85, 45) |
| HSL | hsl(18, 59%, 44%) |
| HSV | hsv(18, 75%, 69%) |
| CMYK | cmyk(0%, 52%, 74.6%, 30.6%) |
| CIE-LAB | lab(47.02, 34.68, 39.89) |
| CIE-LCH | lch(47.02, 52.85, 49.00°) |
| OKLab | oklab(55.63% 0.0967 0.0891) |
| OKLCH | oklch(55.63% 0.131 42.7) |
| XYZ | xyz(21.8557, 16.0363, 4.4265) |
| Luminance | 0.1603 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.82
Burnt Sienna
#B04E0F
ΔE00 4.69
Sienna (survey)
#A9561E
ΔE00 4.74
Brick Orange
#C14A09
ΔE00 5.08
Rust
#B7410E
ΔE00 5.11
Burnt Orange
#C04E01
ΔE00 5.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1552D #2D89B1
analogous
#B12D47 #B1552D #B1972D
triadic
#B1552D #2DB155 #552DB1
tetradic
#B1552D #47B12D #2D89B1 #972DB1
square
#B1552D #47B12D #2D89B1 #972DB1
split-complementary
#B1552D #2DB197 #2D47B1
monochromatic
#4F2614 #803E21 #B1552D #D1734A #DD997B
Accessibility & contrast
On white
4.99
#B1552D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#B1552D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1552D
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1552D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1552D | 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)
#6E6328
Deuteranopia (green-blind)
#85772B
Tritanopia (blue-blind)
#C2424C
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #b1552d; /* rgb */ color: rgb(177, 85, 45); /* oklch */ color: oklch(55.6% 0.131 42.7);
Tailwind
colors: {
custom: {
50: '#cf8768',
500: '#b1552d',
950: '#000000',
},
}SCSS
$custom: #b1552d; $custom-light: #cf8768; $custom-dark: #000000;
JSON
{
"hex": "#b1552d",
"rgb": {
"r": 177,
"g": 85,
"b": 45
},
"hsl": {
"h": 18.182,
"s": 59.459,
"l": 43.529
},
"oklch": {
"l": 0.5563,
"c": 0.13148,
"h": 42.7
},
"luminance": 0.16034
}Semantic roles & 50–950 ramp
primary
#B1552D
secondary
#74ADC6
accent
#B3E345
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A