#B23E25#B23E25
#B23E25 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.156 H 33.8°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).
Color values
| HEX | #B23E25 |
|---|---|
| RGB | rgb(178, 62, 37) |
| HSL | hsl(11, 66%, 42%) |
| HSV | hsv(11, 79%, 70%) |
| CMYK | cmyk(0%, 65.2%, 79.2%, 30.2%) |
| CIE-LAB | lab(42.83, 45.86, 39.76) |
| CIE-LCH | lch(42.83, 60.70, 40.92°) |
| OKLab | oklab(52.46% 0.1295 0.0867) |
| OKLCH | oklch(52.46% 0.156 33.8) |
| XYZ | xyz(20.4189, 13.0468, 3.1930) |
| Luminance | 0.1304 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.90
Brick
#A03623
ΔE00 4.42
Brownish Red
#9E3623
ΔE00 4.78
Rust
#B7410E
ΔE00 5.43
Rust Red
#AA2704
ΔE00 5.47
Firebrick
#B22222
ΔE00 5.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23E25 #2599B2
analogous
#B22553 #B23E25 #B28425
triadic
#B23E25 #25B23E #3E25B2
tetradic
#B23E25 #53B225 #2599B2 #8425B2
square
#B23E25 #53B225 #2599B2 #8425B2
split-complementary
#B23E25 #25B284 #2553B2
monochromatic
#4D1B10 #7F2C1A #B23E25 #D7593D #E18470
Accessibility & contrast
On white
5.82
#B23E25 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.61
#B23E25 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23E25
5.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23E25 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23E25 | 1.00 | 5.82 | 3.61 | 5.82 |
| #FFFFFF | 5.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5521
Deuteranopia (green-blind)
#7C6F20
Tritanopia (blue-blind)
#C41E39
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b23e25; /* rgb */ color: rgb(178, 62, 37); /* oklch */ color: oklch(52.5% 0.156 33.8);
Tailwind
colors: {
custom: {
50: '#d17961',
500: '#b23e25',
950: '#000000',
},
}SCSS
$custom: #b23e25; $custom-light: #d17961; $custom-dark: #000000;
JSON
{
"hex": "#b23e25",
"rgb": {
"r": 178,
"g": 62,
"b": 37
},
"hsl": {
"h": 10.638,
"s": 65.581,
"l": 42.157
},
"oklch": {
"l": 0.52464,
"c": 0.15586,
"h": 33.8
},
"luminance": 0.13044
}Semantic roles & 50–950 ramp
primary
#B23E25
secondary
#6BB8C8
accent
#CBE93F
background
#FEF7F5
surface
#FCEEEA
border
#D5C9C6
text
#160905
muted
#847B79