#B53227#B53227
#B53227 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.170 H 29.1°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).
Color values
| HEX | #B53227 |
|---|---|
| RGB | rgb(181, 50, 39) |
| HSL | hsl(5, 65%, 43%) |
| HSV | hsv(5, 78%, 71%) |
| CMYK | cmyk(0%, 72.4%, 78.5%, 29%) |
| CIE-LAB | lab(41.62, 51.82, 37.61) |
| CIE-LCH | lch(41.62, 64.03, 35.97°) |
| OKLab | oklab(51.66% 0.1482 0.0824) |
| OKLCH | oklch(51.66% 0.17 29.1) |
| XYZ | xyz(20.5653, 12.2546, 3.2016) |
| Luminance | 0.1225 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 2.72
Scarlet
#BE0119
ΔE00 3.93
Brick
#A03623
ΔE00 4.31
Brownish Red
#9E3623
ΔE00 4.68
Brown
#A52A2A
ΔE00 4.76
Dull Red
#BB3F3F
ΔE00 5.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53227 #27AAB5
analogous
#B52763 #B53227 #B57927
triadic
#B53227 #27B532 #3227B5
tetradic
#B53227 #63B527 #27AAB5 #7927B5
square
#B53227 #63B527 #27AAB5 #7927B5
split-complementary
#B53227 #27B579 #2763B5
monochromatic
#501611 #83241C #B53227 #D64E43 #E17D75
Accessibility & contrast
On white
6.09
#B53227 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.45
#B53227 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53227
6.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53227 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53227 | 1.00 | 6.09 | 3.45 | 6.09 |
| #FFFFFF | 6.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595024
Deuteranopia (green-blind)
#796D21
Tritanopia (blue-blind)
#C70031
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #b53227; /* rgb */ color: rgb(181, 50, 39); /* oklch */ color: oklch(51.7% 0.170 29.1);
Tailwind
colors: {
custom: {
50: '#d47362',
500: '#b53227',
950: '#000000',
},
}SCSS
$custom: #b53227; $custom-light: #d47362; $custom-dark: #000000;
JSON
{
"hex": "#b53227",
"rgb": {
"r": 181,
"g": 50,
"b": 39
},
"hsl": {
"h": 4.648,
"s": 64.545,
"l": 43.137
},
"oklch": {
"l": 0.5166,
"c": 0.16951,
"h": 29.1
},
"luminance": 0.12251
}Semantic roles & 50–950 ramp
primary
#B53227
secondary
#6FC2C9
accent
#DBE840
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160905
muted
#847B79