#BB3A33#BB3A33
#BB3A33 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.167 H 27.3°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).
Color values
| HEX | #BB3A33 |
|---|---|
| RGB | rgb(187, 58, 51) |
| HSL | hsl(3, 57%, 47%) |
| HSV | hsv(3, 73%, 73%) |
| CMYK | cmyk(0%, 69%, 72.7%, 26.7%) |
| CIE-LAB | lab(43.99, 51.20, 33.72) |
| CIE-LCH | lch(43.99, 61.31, 33.37°) |
| OKLab | oklab(53.69% 0.148 0.0765) |
| OKLCH | oklch(53.69% 0.167 27.3) |
| XYZ | xyz(22.6066, 13.8333, 4.6110) |
| Luminance | 0.1383 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.94
Reddish
#C44240
ΔE00 3.47
Firebrick
#B22222
ΔE00 4.67
Scarlet
#BE0119
ΔE00 5.65
Brown
#A52A2A
ΔE00 5.91
Cardinal
#C41E3A
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB3A33 #33B4BB
analogous
#BB3370 #BB3A33 #BB7E33
triadic
#BB3A33 #33BB3A #3A33BB
tetradic
#BB3A33 #70BB33 #33B4BB #7E33BB
square
#BB3A33 #70BB33 #33B4BB #7E33BB
split-complementary
#BB3A33 #33BB7E #3370BB
monochromatic
#5B1C19 #8B2B26 #BB3A33 #D26059 #DF8E89
Accessibility & contrast
On white
5.58
#BB3A33 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.77
#BB3A33 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB3A33
5.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB3A33 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB3A33 | 1.00 | 5.58 | 3.77 | 5.58 |
| #FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.77 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5631
Deuteranopia (green-blind)
#7F722F
Tritanopia (blue-blind)
#CE103A
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #bb3a33; /* rgb */ color: rgb(187, 58, 51); /* oklch */ color: oklch(53.7% 0.167 27.3);
Tailwind
colors: {
custom: {
50: '#d8786b',
500: '#bb3a33',
950: '#000000',
},
}SCSS
$custom: #bb3a33; $custom-light: #d8786b; $custom-dark: #000000;
JSON
{
"hex": "#bb3a33",
"rgb": {
"r": 187,
"g": 58,
"b": 51
},
"hsl": {
"h": 3.088,
"s": 57.143,
"l": 46.667
},
"oklch": {
"l": 0.53685,
"c": 0.16662,
"h": 27.3
},
"luminance": 0.1383
}Semantic roles & 50–950 ramp
primary
#BB3A33
secondary
#81C5C9
accent
#D9E047
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160906
muted
#847B7A