#B33038#B33038
#B33038 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.167 H 22.2°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).
Color values
| HEX | #B33038 |
|---|---|
| RGB | rgb(179, 48, 56) |
| HSL | hsl(356, 58%, 45%) |
| HSV | hsv(356, 73%, 70%) |
| CMYK | cmyk(0%, 73.2%, 68.7%, 29.8%) |
| CIE-LAB | lab(41.19, 52.66, 27.08) |
| CIE-LCH | lch(41.19, 59.21, 27.21°) |
| OKLab | oklab(51.35% 0.1547 0.0632) |
| OKLCH | oklch(51.35% 0.167 22.2) |
| XYZ | xyz(20.3634, 11.9862, 4.9819) |
| Luminance | 0.1198 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 3.36
Lipstick Red
#C0022F
ΔE00 3.59
Dull Red
#BB3F3F
ΔE00 3.66
Brown
#A52A2A
ΔE00 4.13
Cherry (survey)
#CF0234
ΔE00 4.96
Firebrick
#B22222
ΔE00 5.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B33038 #30B3AB
analogous
#B3307A #B33038 #B36A30
triadic
#B33038 #38B330 #3038B3
tetradic
#B33038 #7AB330 #30B3AB #6A30B3
square
#B33038 #7AB330 #30B3AB #6A30B3
split-complementary
#B33038 #30B36A #307AB3
monochromatic
#52161A #832329 #B33038 #D05058 #DD8086
Accessibility & contrast
On white
6.18
#B33038 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.40
#B33038 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B33038
6.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B33038 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B33038 | 1.00 | 6.18 | 3.40 | 6.18 |
| #FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#554F37
Deuteranopia (green-blind)
#766B34
Tritanopia (blue-blind)
#C50034
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #b33038; /* rgb */ color: rgb(179, 48, 56); /* oklch */ color: oklch(51.3% 0.167 22.2);
Tailwind
colors: {
custom: {
50: '#d1726e',
500: '#b33038',
950: '#000000',
},
}SCSS
$custom: #b33038; $custom-light: #d1726e; $custom-dark: #000000;
JSON
{
"hex": "#b33038",
"rgb": {
"r": 179,
"g": 48,
"b": 56
},
"hsl": {
"h": 356.336,
"s": 57.709,
"l": 44.51
},
"oklch": {
"l": 0.51345,
"c": 0.16709,
"h": 22.2
},
"luminance": 0.11983
}Semantic roles & 50–950 ramp
primary
#B33038
secondary
#79C6C1
accent
#E1D847
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150907
muted
#837B7A