#BB503B#BB503B
#BB503B is a mid, vivid red. Relative luminance 0.166; OKLCH L 56.6% C 0.143 H 32.8°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).
Color values
| HEX | #BB503B |
|---|---|
| RGB | rgb(187, 80, 59) |
| HSL | hsl(10, 52%, 48%) |
| HSV | hsv(10, 68%, 73%) |
| CMYK | cmyk(0%, 57.2%, 68.4%, 26.7%) |
| CIE-LAB | lab(47.78, 41.79, 33.55) |
| CIE-LCH | lch(47.78, 53.59, 38.75°) |
| OKLab | oklab(56.57% 0.1202 0.0776) |
| OKLCH | oklch(56.57% 0.143 32.8) |
| XYZ | xyz(24.1539, 16.6210, 6.0731) |
| Luminance | 0.1662 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddish
#C44240
ΔE00 5.45
Dull Red
#BB3F3F
ΔE00 6.38
Dark Salmon
#C85A53
ΔE00 6.45
Dark Coral
#CF524E
ΔE00 6.65
Clay
#B66A50
ΔE00 7.60
Pale Red
#D9544D
ΔE00 7.62
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB503B #3BA6BB
analogous
#BB3B66 #BB503B #BB903B
triadic
#BB503B #3BBB50 #503BBB
tetradic
#BB503B #66BB3B #3BA6BB #903BBB
square
#BB503B #66BB3B #3BA6BB #903BBB
split-complementary
#BB503B #3BBB90 #3B66BB
monochromatic
#5E281E #8C3C2C #BB503B #CE7665 #DD9F93
Accessibility & contrast
On white
4.86
#BB503B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.32
#BB503B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #BB503B
4.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB503B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB503B | 1.00 | 4.86 | 4.32 | 4.86 |
| #FFFFFF | 4.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6C6338
Deuteranopia (green-blind)
#877A38
Tritanopia (blue-blind)
#CD3A4B
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #bb503b; /* rgb */ color: rgb(187, 80, 59); /* oklch */ color: oklch(56.6% 0.143 32.8);
Tailwind
colors: {
custom: {
50: '#d68471',
500: '#bb503b',
950: '#000000',
},
}SCSS
$custom: #bb503b; $custom-light: #d68471; $custom-dark: #000000;
JSON
{
"hex": "#bb503b",
"rgb": {
"r": 187,
"g": 80,
"b": 59
},
"hsl": {
"h": 9.844,
"s": 52.033,
"l": 48.235
},
"oklch": {
"l": 0.56568,
"c": 0.14305,
"h": 32.8
},
"luminance": 0.16618
}Semantic roles & 50–950 ramp
primary
#BB503B
secondary
#8ABEC8
accent
#C4DB4C
background
#FEF8F6
surface
#FCEFEC
border
#D5CAC7
text
#160B08
muted
#847C7B