#B33824#B33824
#B33824 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.163 H 31.9°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #B33824 |
|---|---|
| RGB | rgb(179, 56, 36) |
| HSL | hsl(8, 67%, 42%) |
| HSV | hsv(8, 80%, 70%) |
| CMYK | cmyk(0%, 68.7%, 79.9%, 29.8%) |
| CIE-LAB | lab(42.07, 48.72, 39.58) |
| CIE-LCH | lch(42.07, 62.77, 39.09°) |
| OKLab | oklab(51.92% 0.1381 0.0859) |
| OKLCH | oklch(51.92% 0.163 31.9) |
| XYZ | xyz(20.3254, 12.5425, 3.0194) |
| Luminance | 0.1254 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 3.91
Rusty Red
#AF2F0D
ΔE00 3.99
Brownish Red
#9E3623
ΔE00 4.31
Firebrick
#B22222
ΔE00 4.44
Rust Red
#AA2704
ΔE00 5.31
Scarlet
#BE0119
ΔE00 5.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B33824 #249FB3
analogous
#B32457 #B33824 #B38024
triadic
#B33824 #24B338 #3824B3
tetradic
#B33824 #57B324 #249FB3 #8024B3
square
#B33824 #57B324 #249FB3 #8024B3
split-complementary
#B33824 #24B380 #2457B3
monochromatic
#4D1810 #80281A #B33824 #D8523C #E27F6F
Accessibility & contrast
On white
5.99
#B33824 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#B33824 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B33824
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B33824 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B33824 | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C5221
Deuteranopia (green-blind)
#7A6D1F
Tritanopia (blue-blind)
#C50D34
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b33824; /* rgb */ color: rgb(179, 56, 36); /* oklch */ color: oklch(51.9% 0.163 31.9);
Tailwind
colors: {
custom: {
50: '#d27660',
500: '#b33824',
950: '#000000',
},
}SCSS
$custom: #b33824; $custom-light: #d27660; $custom-dark: #000000;
JSON
{
"hex": "#b33824",
"rgb": {
"r": 179,
"g": 56,
"b": 36
},
"hsl": {
"h": 8.392,
"s": 66.512,
"l": 42.157
},
"oklch": {
"l": 0.51918,
"c": 0.16262,
"h": 31.9
},
"luminance": 0.12539
}Semantic roles & 50–950 ramp
primary
#B33824
secondary
#6ABBC9
accent
#D2E93E
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160905
muted
#847B79