#B33E29#B33E29
#B33E29 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.156 H 32.4°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).
Color values
| HEX | #B33E29 |
|---|---|
| RGB | rgb(179, 62, 41) |
| HSL | hsl(9, 63%, 43%) |
| HSV | hsv(9, 77%, 70%) |
| CMYK | cmyk(0%, 65.4%, 77.1%, 29.8%) |
| CIE-LAB | lab(43.05, 46.37, 37.90) |
| CIE-LCH | lch(43.05, 59.89, 39.26°) |
| OKLab | oklab(52.67% 0.1318 0.0837) |
| OKLCH | oklch(52.67% 0.156 32.4) |
| XYZ | xyz(20.7156, 13.1921, 3.5529) |
| Luminance | 0.1319 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 4.43
Rusty Red
#AF2F0D
ΔE00 4.74
Brownish Red
#9E3623
ΔE00 4.80
Firebrick
#B22222
ΔE00 5.30
Rust Red
#AA2704
ΔE00 6.20
Scarlet
#BE0119
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B33E29 #299EB3
analogous
#B32959 #B33E29 #B38329
triadic
#B33E29 #29B33E #3E29B3
tetradic
#B33E29 #59B329 #299EB3 #8329B3
square
#B33E29 #59B329 #299EB3 #8329B3
split-complementary
#B33E29 #29B383 #2959B3
monochromatic
#4F1C12 #812D1E #B33E29 #D45B45 #E08777
Accessibility & contrast
On white
5.77
#B33E29 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.64
#B33E29 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B33E29
5.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B33E29 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B33E29 | 1.00 | 5.77 | 3.64 | 5.77 |
| #FFFFFF | 5.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5526
Deuteranopia (green-blind)
#7C6F25
Tritanopia (blue-blind)
#C51E3A
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b33e29; /* rgb */ color: rgb(179, 62, 41); /* oklch */ color: oklch(52.7% 0.156 32.4);
Tailwind
colors: {
custom: {
50: '#d27964',
500: '#b33e29',
950: '#000000',
},
}SCSS
$custom: #b33e29; $custom-light: #d27964; $custom-dark: #000000;
JSON
{
"hex": "#b33e29",
"rgb": {
"r": 179,
"g": 62,
"b": 41
},
"hsl": {
"h": 9.13,
"s": 62.727,
"l": 43.137
},
"oklch": {
"l": 0.52674,
"c": 0.15611,
"h": 32.4
},
"luminance": 0.13189
}Semantic roles & 50–950 ramp
primary
#B33E29
secondary
#70BAC7
accent
#CDE642
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160905
muted
#847B7A