#BB5738#BB5738
#BB5738 is a mid, vivid red. Relative luminance 0.177; OKLCH L 57.6% C 0.137 H 37.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #BB5738 |
|---|---|
| RGB | rgb(187, 87, 56) |
| HSL | hsl(14, 54%, 48%) |
| HSV | hsv(14, 70%, 73%) |
| CMYK | cmyk(0%, 53.5%, 70.1%, 26.7%) |
| CIE-LAB | lab(49.09, 38.14, 36.74) |
| CIE-LCH | lch(49.09, 52.96, 43.93°) |
| OKLab | oklab(57.55% 0.1083 0.084) |
| OKLCH | oklch(57.55% 0.137 37.8) |
| XYZ | xyz(24.6178, 17.6698, 5.8548) |
| Luminance | 0.1767 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Terra Cotta
#C9643B
ΔE00 5.38
Terracotta (survey)
#CA6641
ΔE00 5.55
Clay
#B66A50
ΔE00 5.83
Terracota
#CB6843
ΔE00 6.11
Adobe
#BD6C48
ΔE00 6.44
Sienna
#A0522D
ΔE00 6.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#BB5738 #389CBB
analogous
#BB385B #BB5738 #BB9838
triadic
#BB5738 #38BB57 #5738BB
tetradic
#BB5738 #5BBB38 #389CBB #9838BB
square
#BB5738 #5BBB38 #389CBB #9838BB
split-complementary
#BB5738 #38BB98 #385BBB
monochromatic
#5D2B1C #8C412A #BB5738 #D07B61 #DEA290
Accessibility & contrast
On white
4.63
#BB5738 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.53
#BB5738 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #BB5738
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##BB5738 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##BB5738 | 1.00 | 4.63 | 4.53 | 4.63 |
| #FFFFFF | 4.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#726735
Deuteranopia (green-blind)
#8A7D36
Tritanopia (blue-blind)
#CD4350
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #bb5738; /* rgb */ color: rgb(187, 87, 56); /* oklch */ color: oklch(57.6% 0.137 37.8);
Tailwind
colors: {
custom: {
50: '#d68970',
500: '#bb5738',
950: '#000000',
},
}SCSS
$custom: #bb5738; $custom-light: #d68970; $custom-dark: #000000;
JSON
{
"hex": "#bb5738",
"rgb": {
"r": 187,
"g": 87,
"b": 56
},
"hsl": {
"h": 14.198,
"s": 53.909,
"l": 47.647
},
"oklch": {
"l": 0.57553,
"c": 0.13711,
"h": 37.8
},
"luminance": 0.17667
}Semantic roles & 50–950 ramp
primary
#BB5738
secondary
#86B9C8
accent
#BBDD4B
background
#FEF8F6
surface
#FCF0EC
border
#D5CBC7
text
#160C07
muted
#847D7A