#B23D2C#B23D2C
#B23D2C is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.155 H 31.0°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).
Color values
| HEX | #B23D2C |
|---|---|
| RGB | rgb(178, 61, 44) |
| HSL | hsl(8, 60%, 44%) |
| HSV | hsv(8, 75%, 70%) |
| CMYK | cmyk(0%, 65.7%, 75.3%, 30.2%) |
| CIE-LAB | lab(42.74, 46.58, 35.86) |
| CIE-LCH | lch(42.74, 58.78, 37.60°) |
| OKLab | oklab(52.42% 0.1331 0.0801) |
| OKLCH | oklch(52.42% 0.155 31) |
| XYZ | xyz(20.4857, 12.9873, 3.8105) |
| Luminance | 0.1298 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 4.21
Brownish Red
#9E3623
ΔE00 4.58
Firebrick
#B22222
ΔE00 4.58
Rusty Red
#AF2F0D
ΔE00 5.47
Dull Red
#BB3F3F
ΔE00 5.51
Scarlet
#BE0119
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23D2C #2CA1B2
analogous
#B22C5E #B23D2C #B2802C
triadic
#B23D2C #2CB23D #3D2CB2
tetradic
#B23D2C #5EB22C #2CA1B2 #802CB2
square
#B23D2C #5EB22C #2CA1B2 #802CB2
split-complementary
#B23D2C #2CB280 #2C5EB2
monochromatic
#501B14 #812C20 #B23D2C #D25B49 #DE877A
Accessibility & contrast
On white
5.84
#B23D2C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.60
#B23D2C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23D2C
5.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23D2C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23D2C | 1.00 | 5.84 | 3.60 | 5.84 |
| #FFFFFF | 5.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E5529
Deuteranopia (green-blind)
#7B6E28
Tritanopia (blue-blind)
#C41D3A
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b23d2c; /* rgb */ color: rgb(178, 61, 44); /* oklch */ color: oklch(52.4% 0.155 31.0);
Tailwind
colors: {
custom: {
50: '#d17866',
500: '#b23d2c',
950: '#000000',
},
}SCSS
$custom: #b23d2c; $custom-light: #d17866; $custom-dark: #000000;
JSON
{
"hex": "#b23d2c",
"rgb": {
"r": 178,
"g": 61,
"b": 44
},
"hsl": {
"h": 7.612,
"s": 60.36,
"l": 43.529
},
"oklch": {
"l": 0.5242,
"c": 0.15537,
"h": 31
},
"luminance": 0.12984
}Semantic roles & 50–950 ramp
primary
#B23D2C
secondary
#73BCC6
accent
#CFE444
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150906
muted
#837B7A