#B13336#B13336
#B13336 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.162 H 23.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).
Color values
| HEX | #B13336 |
|---|---|
| RGB | rgb(177, 51, 54) |
| HSL | hsl(359, 55%, 45%) |
| HSV | hsv(359, 71%, 69%) |
| CMYK | cmyk(0%, 71.2%, 69.5%, 30.6%) |
| CIE-LAB | lab(41.19, 50.80, 28.20) |
| CIE-LCH | lch(41.19, 58.10, 29.03°) |
| OKLab | oklab(51.26% 0.1486 0.0654) |
| OKLCH | oklch(51.26% 0.162 23.8) |
| XYZ | xyz(19.9833, 11.9841, 4.7502) |
| Luminance | 0.1198 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.44
Brown
#A52A2A
ΔE00 3.54
Lipstick Red
#C0022F
ΔE00 4.21
Cardinal
#C41E3A
ΔE00 4.25
Firebrick
#B22222
ΔE00 4.33
Reddish
#C44240
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13336 #33B1AE
analogous
#B13375 #B13336 #B16F33
triadic
#B13336 #36B133 #3336B1
tetradic
#B13336 #75B133 #33B1AE #6F33B1
square
#B13336 #75B133 #33B1AE #6F33B1
split-complementary
#B13336 #33B16F #3375B1
monochromatic
#521819 #812528 #B13336 #CE5456 #DB8385
Accessibility & contrast
On white
6.18
#B13336 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.40
#B13336 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13336
6.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13336 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13336 | 1.00 | 6.18 | 3.40 | 6.18 |
| #FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#575035
Deuteranopia (green-blind)
#766B32
Tritanopia (blue-blind)
#C30635
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #b13336; /* rgb */ color: rgb(177, 51, 54); /* oklch */ color: oklch(51.3% 0.162 23.8);
Tailwind
colors: {
custom: {
50: '#d0736d',
500: '#b13336',
950: '#000000',
},
}SCSS
$custom: #b13336; $custom-light: #d0736d; $custom-dark: #000000;
JSON
{
"hex": "#b13336",
"rgb": {
"r": 177,
"g": 51,
"b": 54
},
"hsl": {
"h": 358.571,
"s": 55.263,
"l": 44.706
},
"oklch": {
"l": 0.51264,
"c": 0.16239,
"h": 23.8
},
"luminance": 0.11981
}Semantic roles & 50–950 ramp
primary
#B13336
secondary
#7BC5C3
accent
#DFDB49
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150907
muted
#837B7A