#B23A2E#B23A2E
#B23A2E is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.158 H 29.2°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).
Color values
| HEX | #B23A2E |
|---|---|
| RGB | rgb(178, 58, 46) |
| HSL | hsl(5, 59%, 44%) |
| HSV | hsv(5, 74%, 70%) |
| CMYK | cmyk(0%, 67.4%, 74.2%, 30.2%) |
| CIE-LAB | lab(42.29, 47.94, 34.24) |
| CIE-LCH | lch(42.29, 58.91, 35.53°) |
| OKLab | oklab(52.09% 0.1378 0.077) |
| OKLCH | oklch(52.09% 0.158 29.2) |
| XYZ | xyz(20.3685, 12.6913, 3.9614) |
| Luminance | 0.1269 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.73
Brick
#A03623
ΔE00 4.36
Dull Red
#BB3F3F
ΔE00 4.58
Brownish Red
#9E3623
ΔE00 4.69
Brown
#A52A2A
ΔE00 4.84
Scarlet
#BE0119
ΔE00 5.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23A2E #2EA6B2
analogous
#B22E64 #B23A2E #B27C2E
triadic
#B23A2E #2EB23A #3A2EB2
tetradic
#B23A2E #64B22E #2EA6B2 #7C2EB2
square
#B23A2E #64B22E #2EA6B2 #7C2EB2
split-complementary
#B23A2E #2EB27C #2E64B2
monochromatic
#511A15 #812A21 #B23A2E #D1584C #DD867D
Accessibility & contrast
On white
5.94
#B23A2E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.54
#B23A2E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23A2E
5.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23A2E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23A2E | 1.00 | 5.94 | 3.54 | 5.94 |
| #FFFFFF | 5.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C532C
Deuteranopia (green-blind)
#7A6E2A
Tritanopia (blue-blind)
#C41738
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b23a2e; /* rgb */ color: rgb(178, 58, 46); /* oklch */ color: oklch(52.1% 0.158 29.2);
Tailwind
colors: {
custom: {
50: '#d17767',
500: '#b23a2e',
950: '#000000',
},
}SCSS
$custom: #b23a2e; $custom-light: #d17767; $custom-dark: #000000;
JSON
{
"hex": "#b23a2e",
"rgb": {
"r": 178,
"g": 58,
"b": 46
},
"hsl": {
"h": 5.455,
"s": 58.929,
"l": 43.922
},
"oklch": {
"l": 0.5209,
"c": 0.15788,
"h": 29.2
},
"luminance": 0.12688
}Semantic roles & 50–950 ramp
primary
#B23A2E
secondary
#76BFC6
accent
#D4E246
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150906
muted
#837B7A