#BB573A#BB573A
#BB573A is a mid, vivid red. Relative luminance 0.177; OKLCH L 57.6% C 0.136 H 37.0°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #BB573A |
|---|---|
| RGB | rgb(187, 87, 58) |
| HSL | hsl(13, 53%, 48%) |
| HSV | hsv(13, 69%, 73%) |
| CMYK | cmyk(0%, 53.5%, 69%, 26.7%) |
| CIE-LAB | lab(49.12, 38.25, 35.67) |
| CIE-LCH | lch(49.12, 52.30, 43.00°) |
| OKLab | oklab(57.58% 0.1091 0.0821) |
| OKLCH | oklch(57.58% 0.136 37) |
| XYZ | xyz(24.6677, 17.6897, 6.1176) |
| Luminance | 0.1769 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Terra Cotta
#C9643B
ΔE00 5.65
Terracotta (survey)
#CA6641
ΔE00 5.71
Clay
#B66A50
ΔE00 5.74
Terracota
#CB6843
ΔE00 6.25
Adobe
#BD6C48
ΔE00 6.61
Sienna
#A0522D
ΔE00 7.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB573A #3A9EBB
analogous
#BB3A5E #BB573A #BB973A
triadic
#BB573A #3ABB57 #573ABB
tetradic
#BB573A #5EBB3A #3A9EBB #973ABB
square
#BB573A #5EBB3A #3A9EBB #973ABB
split-complementary
#BB573A #3ABB97 #3A5EBB
monochromatic
#5E2C1D #8C412C #BB573A #CF7C63 #DDA392
Accessibility & contrast
On white
4.63
#BB573A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.54
#BB573A on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #BB573A
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB573A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB573A | 1.00 | 4.63 | 4.54 | 4.63 |
| #FFFFFF | 4.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#726737
Deuteranopia (green-blind)
#8A7D38
Tritanopia (blue-blind)
#CD4350
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #bb573a; /* rgb */ color: rgb(187, 87, 58); /* oklch */ color: oklch(57.6% 0.136 37.0);
Tailwind
colors: {
custom: {
50: '#d68971',
500: '#bb573a',
950: '#000000',
},
}SCSS
$custom: #bb573a; $custom-light: #d68971; $custom-dark: #000000;
JSON
{
"hex": "#bb573a",
"rgb": {
"r": 187,
"g": 87,
"b": 58
},
"hsl": {
"h": 13.488,
"s": 52.653,
"l": 48.039
},
"oklch": {
"l": 0.5758,
"c": 0.13647,
"h": 37
},
"luminance": 0.17687
}Semantic roles & 50–950 ramp
primary
#BB573A
secondary
#88BAC8
accent
#BCDC4C
background
#FEF8F6
surface
#FCF0EC
border
#D5CBC7
text
#160C08
muted
#847D7B