#B23F23#B23F23
#B23F23 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.155 H 34.8°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #B23F23 |
|---|---|
| RGB | rgb(178, 63, 35) |
| HSL | hsl(12, 67%, 42%) |
| HSV | hsv(12, 80%, 70%) |
| CMYK | cmyk(0%, 64.6%, 80.3%, 30.2%) |
| CIE-LAB | lab(42.98, 45.35, 40.95) |
| CIE-LCH | lch(42.98, 61.10, 42.08°) |
| OKLab | oklab(52.57% 0.1276 0.0886) |
| OKLCH | oklch(52.57% 0.155 34.8) |
| XYZ | xyz(20.4433, 13.1443, 3.0504) |
| Luminance | 0.1314 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.64
Rust
#B7410E
ΔE00 4.68
Brick
#A03623
ΔE00 4.80
Brownish Red
#9E3623
ΔE00 5.13
Rust (survey)
#A83C09
ΔE00 5.27
Rust Red
#AA2704
ΔE00 5.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23F23 #2396B2
analogous
#B2234F #B23F23 #B28723
triadic
#B23F23 #23B23F #3F23B2
tetradic
#B23F23 #4FB223 #2396B2 #8723B2
square
#B23F23 #4FB223 #2396B2 #8723B2
split-complementary
#B23F23 #23B287 #234FB2
monochromatic
#4C1B0F #7F2D19 #B23F23 #D8593A #E2846D
Accessibility & contrast
On white
5.79
#B23F23 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#B23F23 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23F23
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23F23 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23F23 | 1.00 | 5.79 | 3.63 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#60551F
Deuteranopia (green-blind)
#7C6F1E
Tritanopia (blue-blind)
#C41F39
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b23f23; /* rgb */ color: rgb(178, 63, 35); /* oklch */ color: oklch(52.6% 0.155 34.8);
Tailwind
colors: {
custom: {
50: '#d17960',
500: '#b23f23',
950: '#000000',
},
}SCSS
$custom: #b23f23; $custom-light: #d17960; $custom-dark: #000000;
JSON
{
"hex": "#b23f23",
"rgb": {
"r": 178,
"g": 63,
"b": 35
},
"hsl": {
"h": 11.748,
"s": 67.136,
"l": 41.765
},
"oklch": {
"l": 0.52568,
"c": 0.15535,
"h": 34.8
},
"luminance": 0.13141
}Semantic roles & 50–950 ramp
primary
#B23F23
secondary
#68B6C9
accent
#C8EA3E
background
#FEF7F5
surface
#FCEEE9
border
#D5C9C5
text
#160905
muted
#847B79