#B1552C#B1552C
#B1552C is a mid, vivid orange. Relative luminance 0.160; OKLCH L 55.6% C 0.132 H 43.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B1552C |
|---|---|
| RGB | rgb(177, 85, 44) |
| HSL | hsl(18, 60%, 43%) |
| HSV | hsv(18, 75%, 69%) |
| CMYK | cmyk(0%, 52%, 75.1%, 30.6%) |
| CIE-LAB | lab(47.01, 34.63, 40.39) |
| CIE-LCH | lch(47.01, 53.21, 49.39°) |
| OKLab | oklab(55.62% 0.0964 0.09) |
| OKLCH | oklch(55.62% 0.132 43) |
| XYZ | xyz(21.8367, 16.0287, 4.3263) |
| Luminance | 0.1603 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Sienna
#A0522D
ΔE00 3.82
Burnt Sienna
#B04E0F
ΔE00 4.45
Sienna (survey)
#A9561E
ΔE00 4.50
Brick Orange
#C14A09
ΔE00 4.93
Rust
#B7410E
ΔE00 5.05
Burnt Orange
#C04E01
ΔE00 5.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1552C #2C88B1
analogous
#B12C45 #B1552C #B1972C
triadic
#B1552C #2CB155 #552CB1
tetradic
#B1552C #45B12C #2C88B1 #972CB1
square
#B1552C #45B12C #2C88B1 #972CB1
split-complementary
#B1552C #2CB197 #2C45B1
monochromatic
#4F2614 #803D20 #B1552C #D27349 #DE987A
Accessibility & contrast
On white
4.99
#B1552C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#B1552C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1552C
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1552C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1552C | 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)
#6E6327
Deuteranopia (green-blind)
#85772A
Tritanopia (blue-blind)
#C2424C
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #b1552c; /* rgb */ color: rgb(177, 85, 44); /* oklch */ color: oklch(55.6% 0.132 43.0);
Tailwind
colors: {
custom: {
50: '#cf8767',
500: '#b1552c',
950: '#000000',
},
}SCSS
$custom: #b1552c; $custom-light: #cf8767; $custom-dark: #000000;
JSON
{
"hex": "#b1552c",
"rgb": {
"r": 177,
"g": 85,
"b": 44
},
"hsl": {
"h": 18.496,
"s": 60.181,
"l": 43.333
},
"oklch": {
"l": 0.55619,
"c": 0.13183,
"h": 43
},
"luminance": 0.16026
}Semantic roles & 50–950 ramp
primary
#B1552C
secondary
#73ACC6
accent
#B2E344
background
#FDF8F6
surface
#FBF0EB
border
#D4CBC6
text
#150B06
muted
#837C7A