#B22623#B22623
#B22623 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.0% C 0.177 H 27.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).
Color values
| HEX | #B22623 |
|---|---|
| RGB | rgb(178, 38, 35) |
| HSL | hsl(1, 67%, 42%) |
| HSV | hsv(1, 80%, 70%) |
| CMYK | cmyk(0%, 78.7%, 80.3%, 30.2%) |
| CIE-LAB | lab(39.54, 54.79, 37.52) |
| CIE-LCH | lch(39.54, 66.40, 34.40°) |
| OKLab | oklab(49.99% 0.157 0.0811) |
| OKLCH | oklch(49.99% 0.177 27.3) |
| XYZ | xyz(19.3589, 10.9757, 2.6890) |
| Luminance | 0.1097 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 0.53
Scarlet
#BE0119
ΔE00 2.72
Brown
#A52A2A
ΔE00 3.27
Brick
#A03623
ΔE00 4.41
Brownish Red
#9E3623
ΔE00 4.69
Darkish Red
#A90308
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B22623 #23AFB2
analogous
#B22368 #B22623 #B26E23
triadic
#B22623 #23B226 #2623B2
tetradic
#B22623 #68B223 #23AFB2 #6E23B2
square
#B22623 #68B223 #23AFB2 #6E23B2
split-complementary
#B22623 #23B26E #2368B2
monochromatic
#4C100F #7F1B19 #B22623 #D83D3A #E2706D
Accessibility & contrast
On white
6.57
#B22623 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.19
#B22623 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B22623
6.57:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B22623 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B22623 | 1.00 | 6.57 | 3.19 | 6.57 |
| #FFFFFF | 6.57 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.57 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524A21
Deuteranopia (green-blind)
#75681C
Tritanopia (blue-blind)
#C40027
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #b22623; /* rgb */ color: rgb(178, 38, 35); /* oklch */ color: oklch(50.0% 0.177 27.3);
Tailwind
colors: {
custom: {
50: '#d26d5f',
500: '#b22623',
950: '#000000',
},
}SCSS
$custom: #b22623; $custom-light: #d26d5f; $custom-dark: #000000;
JSON
{
"hex": "#b22623",
"rgb": {
"r": 178,
"g": 38,
"b": 35
},
"hsl": {
"h": 1.259,
"s": 67.136,
"l": 41.765
},
"oklch": {
"l": 0.49993,
"c": 0.17673,
"h": 27.3
},
"luminance": 0.10973
}Semantic roles & 50–950 ramp
primary
#B22623
secondary
#68C7C9
accent
#E6EA3E
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79