#B63136#B63136
#B63136 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.169 H 23.5°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).
Color values
| HEX | #B63136 |
|---|---|
| RGB | rgb(182, 49, 54) |
| HSL | hsl(358, 58%, 45%) |
| HSV | hsv(358, 73%, 71%) |
| CMYK | cmyk(0%, 73.1%, 70.3%, 28.6%) |
| CIE-LAB | lab(41.86, 53.14, 29.23) |
| CIE-LCH | lch(41.86, 60.65, 28.81°) |
| OKLab | oklab(51.94% 0.1554 0.0675) |
| OKLCH | oklch(51.94% 0.169 23.5) |
| XYZ | xyz(21.0579, 12.4112, 4.7761) |
| Luminance | 0.1241 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.00
Cardinal
#C41E3A
ΔE00 3.57
Lipstick Red
#C0022F
ΔE00 3.73
Brown
#A52A2A
ΔE00 4.20
Firebrick
#B22222
ΔE00 4.42
Cherry (survey)
#CF0234
ΔE00 4.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B63136 #31B6B1
analogous
#B63179 #B63136 #B66E31
triadic
#B63136 #36B631 #3136B6
tetradic
#B63136 #79B631 #31B6B1 #6E31B6
square
#B63136 #79B631 #31B6B1 #6E31B6
split-complementary
#B63136 #31B66E #3179B6
monochromatic
#561719 #862428 #B63136 #D15358 #DE8487
Accessibility & contrast
On white
6.03
#B63136 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.48
#B63136 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B63136
6.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B63136 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B63136 | 1.00 | 6.03 | 3.48 | 6.03 |
| #FFFFFF | 6.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#575135
Deuteranopia (green-blind)
#796D32
Tritanopia (blue-blind)
#C80034
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b63136; /* rgb */ color: rgb(182, 49, 54); /* oklch */ color: oklch(51.9% 0.169 23.5);
Tailwind
colors: {
custom: {
50: '#d4736d',
500: '#b63136',
950: '#000000',
},
}SCSS
$custom: #b63136; $custom-light: #d4736d; $custom-dark: #000000;
JSON
{
"hex": "#b63136",
"rgb": {
"r": 182,
"g": 49,
"b": 54
},
"hsl": {
"h": 357.744,
"s": 57.576,
"l": 45.294
},
"oklch": {
"l": 0.51937,
"c": 0.16942,
"h": 23.5
},
"luminance": 0.12408
}Semantic roles & 50–950 ramp
primary
#B63136
secondary
#7CC7C4
accent
#E1DB47
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160907
muted
#847B7A