#BB423A#BB423A
#BB423A is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.7% C 0.158 H 27.3°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).
Color values
| HEX | #BB423A |
|---|---|
| RGB | rgb(187, 66, 58) |
| HSL | hsl(4, 53%, 48%) |
| HSV | hsv(4, 69%, 73%) |
| CMYK | cmyk(0%, 64.7%, 69%, 26.7%) |
| CIE-LAB | lab(45.32, 48.21, 31.21) |
| CIE-LCH | lch(45.32, 57.43, 32.91°) |
| OKLab | oklab(54.71% 0.1401 0.0723) |
| OKLCH | oklch(54.71% 0.158 27.3) |
| XYZ | xyz(23.2079, 14.7700, 5.6310) |
| Luminance | 0.1477 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.26
Reddish
#C44240
ΔE00 2.36
Dusty Red
#B9484E
ΔE00 5.52
Firebrick
#B22222
ΔE00 6.24
Cardinal
#C41E3A
ΔE00 6.53
Dark Coral
#CF524E
ΔE00 6.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB423A #3AB3BB
analogous
#BB3A72 #BB423A #BB823A
triadic
#BB423A #3ABB42 #423ABB
tetradic
#BB423A #72BB3A #3AB3BB #823ABB
square
#BB423A #72BB3A #3AB3BB #823ABB
split-complementary
#BB423A #3ABB82 #3A72BB
monochromatic
#5E211D #8C322C #BB423A #CF6A63 #DD9792
Accessibility & contrast
On white
5.31
#BB423A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.95
#BB423A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB423A
5.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB423A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB423A | 1.00 | 5.31 | 3.95 | 5.31 |
| #FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#635B38
Deuteranopia (green-blind)
#817536
Tritanopia (blue-blind)
#CD2441
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #bb423a; /* rgb */ color: rgb(187, 66, 58); /* oklch */ color: oklch(54.7% 0.158 27.3);
Tailwind
colors: {
custom: {
50: '#d77c70',
500: '#bb423a',
950: '#000000',
},
}SCSS
$custom: #bb423a; $custom-light: #d77c70; $custom-dark: #000000;
JSON
{
"hex": "#bb423a",
"rgb": {
"r": 187,
"g": 66,
"b": 58
},
"hsl": {
"h": 3.721,
"s": 52.653,
"l": 48.039
},
"oklch": {
"l": 0.54708,
"c": 0.1576,
"h": 27.3
},
"luminance": 0.14767
}Semantic roles & 50–950 ramp
primary
#BB423A
secondary
#88C4C8
accent
#D3DC4C
background
#FEF7F6
surface
#FCEEEC
border
#D5C9C7
text
#160A07
muted
#847C7A