#B53C2C#B53C2C
#B53C2C is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.160 H 30.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).
Color values
| HEX | #B53C2C |
|---|---|
| RGB | rgb(181, 60, 44) |
| HSL | hsl(7, 61%, 44%) |
| HSV | hsv(7, 76%, 71%) |
| CMYK | cmyk(0%, 66.9%, 75.7%, 29%) |
| CIE-LAB | lab(43.12, 48.05, 36.43) |
| CIE-LCH | lch(43.12, 60.30, 37.17°) |
| OKLab | oklab(52.81% 0.1374 0.0812) |
| OKLCH | oklch(52.81% 0.16 30.6) |
| XYZ | xyz(21.1289, 13.2404, 3.8255) |
| Luminance | 0.1324 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 4.53
Brick
#A03623
ΔE00 4.71
Brownish Red
#9E3623
ΔE00 5.09
Dull Red
#BB3F3F
ΔE00 5.24
Reddish
#C44240
ΔE00 5.65
Scarlet
#BE0119
ΔE00 5.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53C2C #2CA5B5
analogous
#B52C61 #B53C2C #B5812C
triadic
#B53C2C #2CB53C #3C2CB5
tetradic
#B53C2C #61B52C #2CA5B5 #812CB5
square
#B53C2C #61B52C #2CA5B5 #812CB5
split-complementary
#B53C2C #2CB581 #2C61B5
monochromatic
#531B14 #842C20 #B53C2C #D35B4B #DF887C
Accessibility & contrast
On white
5.76
#B53C2C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.65
#B53C2C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53C2C
5.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53C2C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53C2C | 1.00 | 5.76 | 3.65 | 5.76 |
| #FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E5529
Deuteranopia (green-blind)
#7C7028
Tritanopia (blue-blind)
#C71939
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b53c2c; /* rgb */ color: rgb(181, 60, 44); /* oklch */ color: oklch(52.8% 0.160 30.6);
Tailwind
colors: {
custom: {
50: '#d37866',
500: '#b53c2c',
950: '#000000',
},
}SCSS
$custom: #b53c2c; $custom-light: #d37866; $custom-dark: #000000;
JSON
{
"hex": "#b53c2c",
"rgb": {
"r": 181,
"g": 60,
"b": 44
},
"hsl": {
"h": 7.007,
"s": 60.889,
"l": 44.118
},
"oklch": {
"l": 0.52805,
"c": 0.15955,
"h": 30.6
},
"luminance": 0.13237
}Semantic roles & 50–950 ramp
primary
#B53C2C
secondary
#75BEC8
accent
#D1E444
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160906
muted
#847B7A