#B1523A#B1523A
#B1523A is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.3% C 0.130 H 35.3°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).
Color values
| HEX | #B1523A |
|---|---|
| RGB | rgb(177, 82, 58) |
| HSL | hsl(12, 51%, 46%) |
| HSV | hsv(12, 67%, 69%) |
| CMYK | cmyk(0%, 53.7%, 67.2%, 30.6%) |
| CIE-LAB | lab(46.56, 36.92, 32.29) |
| CIE-LCH | lch(46.56, 49.05, 41.17°) |
| OKLab | oklab(55.33% 0.106 0.0751) |
| OKLCH | oklch(55.33% 0.13 35.3) |
| XYZ | xyz(21.9145, 15.6899, 5.8766) |
| Luminance | 0.1569 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Sienna
#A0522D
ΔE00 5.95
Reddish
#C44240
ΔE00 7.13
Clay
#B66A50
ΔE00 7.30
Rust
#B7410E
ΔE00 7.35
Dull Red
#BB3F3F
ΔE00 7.48
Brick
#A03623
ΔE00 7.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B1523A #3A99B1
analogous
#B13A5D #B1523A #B18D3A
triadic
#B1523A #3AB152 #523AB1
tetradic
#B1523A #5DB13A #3A99B1 #8D3AB1
square
#B1523A #5DB13A #3A99B1 #8D3AB1
split-complementary
#B1523A #3AB18D #3A5DB1
monochromatic
#55271C #833D2B #B1523A #CA745E #D99C8C
Accessibility & contrast
On white
5.08
#B1523A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.14
#B1523A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B1523A
5.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B1523A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B1523A | 1.00 | 5.08 | 4.14 | 5.08 |
| #FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6B6237
Deuteranopia (green-blind)
#827638
Tritanopia (blue-blind)
#C23F4D
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #b1523a; /* rgb */ color: rgb(177, 82, 58); /* oklch */ color: oklch(55.3% 0.130 35.3);
Tailwind
colors: {
custom: {
50: '#ce8571',
500: '#b1523a',
950: '#000000',
},
}SCSS
$custom: #b1523a; $custom-light: #ce8571; $custom-dark: #000000;
JSON
{
"hex": "#b1523a",
"rgb": {
"r": 177,
"g": 82,
"b": 58
},
"hsl": {
"h": 12.101,
"s": 50.638,
"l": 46.078
},
"oklch": {
"l": 0.55331,
"c": 0.12985,
"h": 35.3
},
"luminance": 0.15687
}Semantic roles & 50–950 ramp
primary
#B1523A
secondary
#83B7C4
accent
#BEDA4E
background
#FDF8F6
surface
#FAEFEC
border
#D3CAC7
text
#150B07
muted
#837C7A