#B53F2E#B53F2E
#B53F2E is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.156 H 31.0°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).
Color values
| HEX | #B53F2E |
|---|---|
| RGB | rgb(181, 63, 46) |
| HSL | hsl(8, 59%, 45%) |
| HSV | hsv(8, 75%, 71%) |
| CMYK | cmyk(0%, 65.2%, 74.6%, 29%) |
| CIE-LAB | lab(43.62, 46.85, 35.86) |
| CIE-LCH | lch(43.62, 59.00, 37.43°) |
| OKLab | oklab(53.19% 0.134 0.0804) |
| OKLCH | oklch(53.19% 0.156 31) |
| XYZ | xyz(21.3290, 13.5791, 4.0822) |
| Luminance | 0.1358 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 5.02
Firebrick
#B22222
ΔE00 5.11
Dull Red
#BB3F3F
ΔE00 5.19
Brownish Red
#9E3623
ΔE00 5.38
Reddish
#C44240
ΔE00 5.47
Rusty Red
#AF2F0D
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53F2E #2EA4B5
analogous
#B52E60 #B53F2E #B5832E
triadic
#B53F2E #2EB53F #3F2EB5
tetradic
#B53F2E #60B52E #2EA4B5 #832EB5
square
#B53F2E #60B52E #2EA4B5 #832EB5
split-complementary
#B53F2E #2EB583 #2E60B5
monochromatic
#531D15 #842E22 #B53F2E #D25F4E #DE8B7F
Accessibility & contrast
On white
5.65
#B53F2E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.72
#B53F2E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53F2E
5.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53F2E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53F2E | 1.00 | 5.65 | 3.72 | 5.65 |
| #FFFFFF | 5.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.72 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#60572B
Deuteranopia (green-blind)
#7D712A
Tritanopia (blue-blind)
#C71F3C
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #b53f2e; /* rgb */ color: rgb(181, 63, 46); /* oklch */ color: oklch(53.2% 0.156 31.0);
Tailwind
colors: {
custom: {
50: '#d37a68',
500: '#b53f2e',
950: '#000000',
},
}SCSS
$custom: #b53f2e; $custom-light: #d37a68; $custom-dark: #000000;
JSON
{
"hex": "#b53f2e",
"rgb": {
"r": 181,
"g": 63,
"b": 46
},
"hsl": {
"h": 7.556,
"s": 59.471,
"l": 44.51
},
"oklch": {
"l": 0.53188,
"c": 0.1563,
"h": 31
},
"luminance": 0.13576
}Semantic roles & 50–950 ramp
primary
#B53F2E
secondary
#78BDC7
accent
#CFE345
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A