#B42C18#B42C18
#B42C18 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.176 H 31.5°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).
Color values
| HEX | #B42C18 |
|---|---|
| RGB | rgb(180, 44, 24) |
| HSL | hsl(8, 76%, 40%) |
| HSV | hsv(8, 87%, 71%) |
| CMYK | cmyk(0%, 75.6%, 86.7%, 29.4%) |
| CIE-LAB | lab(40.53, 53.18, 44.26) |
| CIE-LCH | lch(40.53, 69.19, 39.76°) |
| OKLab | oklab(50.77% 0.1498 0.0916) |
| OKLCH | oklch(50.77% 0.176 31.5) |
| XYZ | xyz(19.8904, 11.5738, 2.0506) |
| Luminance | 0.1157 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 2.73
Rust Red
#AA2704
ΔE00 3.68
Brick
#A03623
ΔE00 4.13
Firebrick
#B22222
ΔE00 4.16
Scarlet
#BE0119
ΔE00 4.46
Brownish Red
#9E3623
ΔE00 4.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B42C18 #18A0B4
analogous
#B41852 #B42C18 #B47A18
triadic
#B42C18 #18B42C #2C18B4
tetradic
#B42C18 #52B418 #18A0B4 #7A18B4
square
#B42C18 #52B418 #18A0B4 #7A18B4
split-complementary
#B42C18 #18B47A #1852B4
monochromatic
#48120A #7E1F11 #B42C18 #E23F27 #E96F5D
Accessibility & contrast
On white
6.34
#B42C18 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.31
#B42C18 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B42C18
6.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B42C18 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B42C18 | 1.00 | 6.34 | 3.31 | 6.34 |
| #FFFFFF | 6.34 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.34 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#564C13
Deuteranopia (green-blind)
#786A0E
Tritanopia (blue-blind)
#C70029
Achromatopsia (no color)
#606060
Design tokens & code
CSS
--color: #b42c18; /* rgb */ color: rgb(180, 44, 24); /* oklch */ color: oklch(50.8% 0.176 31.5);
Tailwind
colors: {
custom: {
50: '#d47058',
500: '#b42c18',
950: '#000000',
},
}SCSS
$custom: #b42c18; $custom-light: #d47058; $custom-dark: #000000;
JSON
{
"hex": "#b42c18",
"rgb": {
"r": 180,
"g": 44,
"b": 24
},
"hsl": {
"h": 7.692,
"s": 76.471,
"l": 40
},
"oklch": {
"l": 0.50773,
"c": 0.17558,
"h": 31.5
},
"luminance": 0.11571
}Semantic roles & 50–950 ramp
primary
#B42C18
secondary
#5BBFCD
accent
#DBF335
background
#FEF7F5
surface
#FDEDE9
border
#D5C8C5
text
#160803
muted
#847B78