#B83839#B83839
#B83839 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.0% C 0.165 H 24.3°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).
Color values
| HEX | #B83839 |
|---|---|
| RGB | rgb(184, 56, 57) |
| HSL | hsl(360, 53%, 47%) |
| HSV | hsv(360, 70%, 72%) |
| CMYK | cmyk(0%, 69.6%, 69%, 27.8%) |
| CIE-LAB | lab(43.24, 51.30, 29.17) |
| CIE-LCH | lch(43.24, 59.01, 29.63°) |
| OKLab | oklab(53.04% 0.1499 0.0678) |
| OKLCH | oklch(53.04% 0.165 24.3) |
| XYZ | xyz(21.9222, 13.3173, 5.2863) |
| Luminance | 0.1331 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 1.69
Reddish
#C44240
ΔE00 3.58
Cardinal
#C41E3A
ΔE00 4.16
Lipstick Red
#C0022F
ΔE00 4.87
Dusty Red
#B9484E
ΔE00 4.97
Cherry (survey)
#CF0234
ΔE00 5.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B83839 #38B8B7
analogous
#B83879 #B83839 #B87738
triadic
#B83839 #39B838 #3839B8
tetradic
#B83839 #79B838 #38B8B7 #7738B8
square
#B83839 #79B838 #38B8B7 #7738B8
split-complementary
#B83839 #38B877 #3879B8
monochromatic
#5A1B1C #892A2A #B83839 #CE5F60 #DD8E8E
Accessibility & contrast
On white
5.73
#B83839 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#B83839 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B83839
5.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B83839 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B83839 | 1.00 | 5.73 | 3.66 | 5.73 |
| #FFFFFF | 5.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C5538
Deuteranopia (green-blind)
#7C7035
Tritanopia (blue-blind)
#CA103A
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b83839; /* rgb */ color: rgb(184, 56, 57); /* oklch */ color: oklch(53.0% 0.165 24.3);
Tailwind
colors: {
custom: {
50: '#d5776f',
500: '#b83839',
950: '#000000',
},
}SCSS
$custom: #b83839; $custom-light: #d5776f; $custom-dark: #000000;
JSON
{
"hex": "#b83839",
"rgb": {
"r": 184,
"g": 56,
"b": 57
},
"hsl": {
"h": 359.531,
"s": 53.333,
"l": 47.059
},
"oklch": {
"l": 0.53045,
"c": 0.16454,
"h": 24.3
},
"luminance": 0.13314
}Semantic roles & 50–950 ramp
primary
#B83839
secondary
#85C7C7
accent
#DDDC4B
background
#FEF7F6
surface
#FCEEEC
border
#D5C9C7
text
#160907
muted
#847B7A