#B13F24#B13F24
#B13F24 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.154 H 34.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).
Color values
| HEX | #B13F24 |
|---|---|
| RGB | rgb(177, 63, 36) |
| HSL | hsl(11, 66%, 42%) |
| HSV | hsv(11, 80%, 69%) |
| CMYK | cmyk(0%, 64.4%, 79.7%, 30.6%) |
| CIE-LAB | lab(42.81, 45.03, 40.21) |
| CIE-LCH | lch(42.81, 60.37, 41.76°) |
| OKLab | oklab(52.41% 0.1269 0.0874) |
| OKLCH | oklch(52.41% 0.154 34.6) |
| XYZ | xyz(20.2297, 13.0324, 3.1190) |
| Luminance | 0.1303 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.71
Brick
#A03623
ΔE00 4.53
Brownish Red
#9E3623
ΔE00 4.87
Rust
#B7410E
ΔE00 4.97
Rust Red
#AA2704
ΔE00 5.33
Rust (survey)
#A83C09
ΔE00 5.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13F24 #2496B1
analogous
#B12450 #B13F24 #B18624
triadic
#B13F24 #24B13F #3F24B1
tetradic
#B13F24 #50B124 #2496B1 #8624B1
square
#B13F24 #50B124 #2496B1 #8624B1
split-complementary
#B13F24 #24B186 #2450B1
monochromatic
#4B1B0F #7E2D1A #B13F24 #D7593B #E1846E
Accessibility & contrast
On white
5.82
#B13F24 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.61
#B13F24 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13F24
5.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13F24 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13F24 | 1.00 | 5.82 | 3.61 | 5.82 |
| #FFFFFF | 5.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5520
Deuteranopia (green-blind)
#7C6E1F
Tritanopia (blue-blind)
#C3203A
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b13f24; /* rgb */ color: rgb(177, 63, 36); /* oklch */ color: oklch(52.4% 0.154 34.6);
Tailwind
colors: {
custom: {
50: '#d17961',
500: '#b13f24',
950: '#000000',
},
}SCSS
$custom: #b13f24; $custom-light: #d17961; $custom-dark: #000000;
JSON
{
"hex": "#b13f24",
"rgb": {
"r": 177,
"g": 63,
"b": 36
},
"hsl": {
"h": 11.489,
"s": 66.197,
"l": 41.765
},
"oklch": {
"l": 0.52411,
"c": 0.15407,
"h": 34.6
},
"luminance": 0.1303
}Semantic roles & 50–950 ramp
primary
#B13F24
secondary
#69B6C8
accent
#C8E93F
background
#FDF7F5
surface
#FBEEEA
border
#D4C9C6
text
#160905
muted
#847B79