#B33E38#B33E38
#B33E38 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.153 H 26.6°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).
Color values
| HEX | #B33E38 |
|---|---|
| RGB | rgb(179, 62, 56) |
| HSL | hsl(3, 52%, 46%) |
| HSV | hsv(3, 69%, 70%) |
| CMYK | cmyk(0%, 65.4%, 68.7%, 29.8%) |
| CIE-LAB | lab(43.24, 47.08, 29.55) |
| CIE-LCH | lch(43.24, 55.58, 32.12°) |
| OKLab | oklab(52.87% 0.137 0.0687) |
| OKLCH | oklch(52.87% 0.153 26.6) |
| XYZ | xyz(21.0290, 13.3174, 5.2038) |
| Luminance | 0.1331 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.37
Reddish
#C44240
ΔE00 3.90
Firebrick
#B22222
ΔE00 4.97
Brown
#A52A2A
ΔE00 5.12
Dusty Red
#B9484E
ΔE00 5.60
Cardinal
#C41E3A
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B33E38 #38ADB3
analogous
#B3386F #B33E38 #B37B38
triadic
#B33E38 #38B33E #3E38B3
tetradic
#B33E38 #6FB338 #38ADB3 #7B38B3
square
#B33E38 #6FB338 #38ADB3 #7B38B3
split-complementary
#B33E38 #38B37B #386FB3
monochromatic
#561E1B #842E29 #B33E38 #CC625C #DB8F8B
Accessibility & contrast
On white
5.73
#B33E38 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#B33E38 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B33E38
5.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B33E38 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B33E38 | 1.00 | 5.73 | 3.66 | 5.73 |
| #FFFFFF | 5.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E5636
Deuteranopia (green-blind)
#7B7035
Tritanopia (blue-blind)
#C5213E
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b33e38; /* rgb */ color: rgb(179, 62, 56); /* oklch */ color: oklch(52.9% 0.153 26.6);
Tailwind
colors: {
custom: {
50: '#d1796f',
500: '#b33e38',
950: '#000000',
},
}SCSS
$custom: #b33e38; $custom-light: #d1796f; $custom-dark: #000000;
JSON
{
"hex": "#b33e38",
"rgb": {
"r": 179,
"g": 62,
"b": 56
},
"hsl": {
"h": 2.927,
"s": 52.34,
"l": 46.078
},
"oklch": {
"l": 0.52873,
"c": 0.15326,
"h": 26.6
},
"luminance": 0.13314
}Semantic roles & 50–950 ramp
primary
#B33E38
secondary
#82C2C5
accent
#D5DC4C
background
#FDF7F6
surface
#FBEEEC
border
#D4C9C7
text
#150907
muted
#837B7A