#B23736#B23736
#B23736 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.160 H 25.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).
Color values
| HEX | #B23736 |
|---|---|
| RGB | rgb(178, 55, 54) |
| HSL | hsl(0, 53%, 45%) |
| HSV | hsv(0, 70%, 70%) |
| CMYK | cmyk(0%, 69.1%, 69.7%, 30.2%) |
| CIE-LAB | lab(41.95, 49.56, 29.15) |
| CIE-LCH | lch(41.95, 57.50, 30.47°) |
| OKLab | oklab(51.86% 0.1446 0.0675) |
| OKLCH | oklch(51.86% 0.16 25) |
| XYZ | xyz(20.3943, 12.4667, 4.8217) |
| Luminance | 0.1246 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.85
Brown
#A52A2A
ΔE00 3.94
Firebrick
#B22222
ΔE00 4.22
Reddish
#C44240
ΔE00 4.77
Cardinal
#C41E3A
ΔE00 4.84
Lipstick Red
#C0022F
ΔE00 4.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23736 #36B1B2
analogous
#B23673 #B23736 #B27536
triadic
#B23736 #36B237 #3736B2
tetradic
#B23736 #73B236 #36B1B2 #7536B2
square
#B23736 #73B236 #36B1B2 #7536B2
split-complementary
#B23736 #36B275 #3673B2
monochromatic
#541A1A #832828 #B23736 #CD5A59 #DB8888
Accessibility & contrast
On white
6.01
#B23736 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.49
#B23736 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23736
6.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23736 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23736 | 1.00 | 6.01 | 3.49 | 6.01 |
| #FFFFFF | 6.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595235
Deuteranopia (green-blind)
#786D32
Tritanopia (blue-blind)
#C41238
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b23736; /* rgb */ color: rgb(178, 55, 54); /* oklch */ color: oklch(51.9% 0.160 25.0);
Tailwind
colors: {
custom: {
50: '#d1756d',
500: '#b23736',
950: '#000000',
},
}SCSS
$custom: #b23736; $custom-light: #d1756d; $custom-dark: #000000;
JSON
{
"hex": "#b23736",
"rgb": {
"r": 178,
"g": 55,
"b": 54
},
"hsl": {
"h": 0.484,
"s": 53.448,
"l": 45.49
},
"oklch": {
"l": 0.51864,
"c": 0.15954,
"h": 25
},
"luminance": 0.12464
}Semantic roles & 50–950 ramp
primary
#B23736
secondary
#7FC4C5
accent
#DCDD4B
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150907
muted
#837B7A