#B23630#B23630
#B23630 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.161 H 27.1°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).
Color values
| HEX | #B23630 |
|---|---|
| RGB | rgb(178, 54, 48) |
| HSL | hsl(3, 58%, 44%) |
| HSV | hsv(3, 73%, 70%) |
| CMYK | cmyk(0%, 69.7%, 73%, 30.2%) |
| CIE-LAB | lab(41.72, 49.66, 32.43) |
| CIE-LCH | lch(41.72, 59.32, 33.14°) |
| OKLab | oklab(51.67% 0.1436 0.0736) |
| OKLCH | oklch(51.67% 0.161 27.1) |
| XYZ | xyz(20.2150, 12.3197, 4.1092) |
| Luminance | 0.1232 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.16
Brown
#A52A2A
ΔE00 3.80
Dull Red
#BB3F3F
ΔE00 3.85
Brick
#A03623
ΔE00 4.96
Scarlet
#BE0119
ΔE00 4.97
Brownish Red
#9E3623
ΔE00 5.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23630 #30ACB2
analogous
#B2306B #B23630 #B27730
triadic
#B23630 #30B236 #3630B2
tetradic
#B23630 #6BB230 #30ACB2 #7730B2
square
#B23630 #6BB230 #30ACB2 #7730B2
split-complementary
#B23630 #30B277 #306BB2
monochromatic
#521916 #822723 #B23630 #D05550 #DD8480
Accessibility & contrast
On white
6.06
#B23630 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.46
#B23630 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23630
6.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23630 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23630 | 1.00 | 6.06 | 3.46 | 6.06 |
| #FFFFFF | 6.06 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.46 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.06 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#59512E
Deuteranopia (green-blind)
#786C2C
Tritanopia (blue-blind)
#C40C36
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #b23630; /* rgb */ color: rgb(178, 54, 48); /* oklch */ color: oklch(51.7% 0.161 27.1);
Tailwind
colors: {
custom: {
50: '#d17569',
500: '#b23630',
950: '#000000',
},
}SCSS
$custom: #b23630; $custom-light: #d17569; $custom-dark: #000000;
JSON
{
"hex": "#b23630",
"rgb": {
"r": 178,
"g": 54,
"b": 48
},
"hsl": {
"h": 2.769,
"s": 57.522,
"l": 44.314
},
"oklch": {
"l": 0.51667,
"c": 0.16137,
"h": 27.1
},
"luminance": 0.12317
}Semantic roles & 50–950 ramp
primary
#B23630
secondary
#78C2C6
accent
#DAE147
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150906
muted
#837B7A