#B63827#B63827
#B63827 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.165 H 30.8°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).
Color values
| HEX | #B63827 |
|---|---|
| RGB | rgb(182, 56, 39) |
| HSL | hsl(7, 65%, 43%) |
| HSV | hsv(7, 79%, 71%) |
| CMYK | cmyk(0%, 69.2%, 78.6%, 28.6%) |
| CIE-LAB | lab(42.65, 49.84, 38.74) |
| CIE-LCH | lch(42.65, 63.12, 37.86°) |
| OKLab | oklab(52.47% 0.1419 0.0847) |
| OKLCH | oklch(52.47% 0.165 30.8) |
| XYZ | xyz(21.0742, 12.9231, 3.3038) |
| Luminance | 0.1292 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 4.20
Brick
#A03623
ΔE00 4.51
Rusty Red
#AF2F0D
ΔE00 4.87
Brownish Red
#9E3623
ΔE00 4.90
Scarlet
#BE0119
ΔE00 5.08
Dull Red
#BB3F3F
ΔE00 6.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B63827 #27A5B6
analogous
#B6275D #B63827 #B67F27
triadic
#B63827 #27B638 #3827B6
tetradic
#B63827 #5DB627 #27A5B6 #7F27B6
square
#B63827 #5DB627 #27A5B6 #7F27B6
split-complementary
#B63827 #27B67F #275DB6
monochromatic
#511911 #84281C #B63827 #D75543 #E28376
Accessibility & contrast
On white
5.86
#B63827 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.58
#B63827 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B63827
5.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B63827 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B63827 | 1.00 | 5.86 | 3.58 | 5.86 |
| #FFFFFF | 5.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D5324
Deuteranopia (green-blind)
#7C6F22
Tritanopia (blue-blind)
#C80A35
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b63827; /* rgb */ color: rgb(182, 56, 39); /* oklch */ color: oklch(52.5% 0.165 30.8);
Tailwind
colors: {
custom: {
50: '#d57662',
500: '#b63827',
950: '#000000',
},
}SCSS
$custom: #b63827; $custom-light: #d57662; $custom-dark: #000000;
JSON
{
"hex": "#b63827",
"rgb": {
"r": 182,
"g": 56,
"b": 39
},
"hsl": {
"h": 7.133,
"s": 64.706,
"l": 43.333
},
"oklch": {
"l": 0.52465,
"c": 0.16523,
"h": 30.8
},
"luminance": 0.1292
}Semantic roles & 50–950 ramp
primary
#B63827
secondary
#70BEC9
accent
#D4E840
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160905
muted
#847B79