#B53F2D#B53F2D
#B53F2D is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.156 H 31.3°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).
Color values
| HEX | #B53F2D |
|---|---|
| RGB | rgb(181, 63, 45) |
| HSL | hsl(8, 60%, 44%) |
| HSV | hsv(8, 75%, 71%) |
| CMYK | cmyk(0%, 65.2%, 75.1%, 29%) |
| CIE-LAB | lab(43.61, 46.80, 36.41) |
| CIE-LCH | lch(43.61, 59.29, 37.88°) |
| OKLab | oklab(53.18% 0.1337 0.0813) |
| OKLCH | oklch(53.18% 0.156 31.3) |
| XYZ | xyz(21.3095, 13.5713, 3.9796) |
| Luminance | 0.1357 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 4.97
Firebrick
#B22222
ΔE00 5.21
Brownish Red
#9E3623
ΔE00 5.33
Dull Red
#BB3F3F
ΔE00 5.47
Rusty Red
#AF2F0D
ΔE00 5.70
Reddish
#C44240
ΔE00 5.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53F2D #2DA3B5
analogous
#B52D5F #B53F2D #B5832D
triadic
#B53F2D #2DB53F #3F2DB5
tetradic
#B53F2D #5FB52D #2DA3B5 #832DB5
square
#B53F2D #5FB52D #2DA3B5 #832DB5
split-complementary
#B53F2D #2DB583 #2D5FB5
monochromatic
#531D15 #842E21 #B53F2D #D35E4D #DF8A7E
Accessibility & contrast
On white
5.65
#B53F2D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.71
#B53F2D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53F2D
5.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53F2D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53F2D | 1.00 | 5.65 | 3.71 | 5.65 |
| #FFFFFF | 5.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#60572A
Deuteranopia (green-blind)
#7D7129
Tritanopia (blue-blind)
#C71F3C
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #b53f2d; /* rgb */ color: rgb(181, 63, 45); /* oklch */ color: oklch(53.2% 0.156 31.3);
Tailwind
colors: {
custom: {
50: '#d37a67',
500: '#b53f2d',
950: '#000000',
},
}SCSS
$custom: #b53f2d; $custom-light: #d37a67; $custom-dark: #000000;
JSON
{
"hex": "#b53f2d",
"rgb": {
"r": 181,
"g": 63,
"b": 45
},
"hsl": {
"h": 7.941,
"s": 60.177,
"l": 44.314
},
"oklch": {
"l": 0.53175,
"c": 0.15649,
"h": 31.3
},
"luminance": 0.13568
}Semantic roles & 50–950 ramp
primary
#B53F2D
secondary
#76BDC7
accent
#CEE344
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A