#B23221#B23221
#B23221 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.167 H 30.9°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).
Color values
| HEX | #B23221 |
|---|---|
| RGB | rgb(178, 50, 33) |
| HSL | hsl(7, 69%, 41%) |
| HSV | hsv(7, 81%, 70%) |
| CMYK | cmyk(0%, 71.9%, 81.5%, 30.2%) |
| CIE-LAB | lab(40.99, 50.64, 40.04) |
| CIE-LCH | lch(40.99, 64.55, 38.33°) |
| OKLab | oklab(51.07% 0.1436 0.086) |
| OKLCH | oklch(51.07% 0.167 30.9) |
| XYZ | xyz(19.7776, 11.8590, 2.6862) |
| Luminance | 0.1186 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.42
Brick
#A03623
ΔE00 3.49
Brownish Red
#9E3623
ΔE00 3.89
Rusty Red
#AF2F0D
ΔE00 3.92
Scarlet
#BE0119
ΔE00 4.41
Rust Red
#AA2704
ΔE00 4.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B23221 #21A1B2
analogous
#B22159 #B23221 #B27B21
triadic
#B23221 #21B232 #3221B2
tetradic
#B23221 #59B221 #21A1B2 #7B21B2
square
#B23221 #59B221 #21A1B2 #7B21B2
split-complementary
#B23221 #21B27B #2159B2
monochromatic
#4B150E #7E2317 #B23221 #DA4A36 #E3786A
Accessibility & contrast
On white
6.23
#B23221 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.37
#B23221 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B23221
6.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B23221 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B23221 | 1.00 | 6.23 | 3.37 | 6.23 |
| #FFFFFF | 6.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#584F1E
Deuteranopia (green-blind)
#786B1B
Tritanopia (blue-blind)
#C4002F
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #b23221; /* rgb */ color: rgb(178, 50, 33); /* oklch */ color: oklch(51.1% 0.167 30.9);
Tailwind
colors: {
custom: {
50: '#d2735e',
500: '#b23221',
950: '#000000',
},
}SCSS
$custom: #b23221; $custom-light: #d2735e; $custom-dark: #000000;
JSON
{
"hex": "#b23221",
"rgb": {
"r": 178,
"g": 50,
"b": 33
},
"hsl": {
"h": 7.034,
"s": 68.72,
"l": 41.373
},
"oklch": {
"l": 0.5107,
"c": 0.16738,
"h": 30.9
},
"luminance": 0.11856
}Semantic roles & 50–950 ramp
primary
#B23221
secondary
#66BEC9
accent
#D7EC3C
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160804
muted
#847B79