#B41733#B41733
#B41733 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.6% C 0.187 H 19.6°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).
Color values
| HEX | #B41733 |
|---|---|
| RGB | rgb(180, 23, 51) |
| HSL | hsl(349, 77%, 40%) |
| HSV | hsv(349, 87%, 71%) |
| CMYK | cmyk(0%, 87.2%, 71.7%, 29.4%) |
| CIE-LAB | lab(38.83, 59.72, 27.33) |
| CIE-LCH | lch(38.83, 65.68, 24.59°) |
| OKLab | oklab(49.6% 0.176 0.0628) |
| OKLCH | oklch(49.6% 0.187 19.6) |
| XYZ | xyz(19.7287, 10.5583, 4.1305) |
| Luminance | 0.1056 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Lipstick Red
#C0022F
ΔE00 2.43
Rose Red
#BE013C
ΔE00 3.24
Cardinal
#C41E3A
ΔE00 3.57
Rouge
#AB1239
ΔE00 3.72
Brown
#A52A2A
ΔE00 4.81
Cherry (survey)
#CF0234
ΔE00 5.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B41733 #17B498
analogous
#B41782 #B41733 #B44917
triadic
#B41733 #33B417 #1733B4
tetradic
#B41733 #82B417 #17B498 #4917B4
square
#B41733 #82B417 #17B498 #4917B4
split-complementary
#B41733 #17B449 #1782B4
monochromatic
#470914 #7E1024 #B41733 #E32547 #EA5B75
Accessibility & contrast
On white
6.75
#B41733 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.11
#B41733 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B41733
6.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B41733 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B41733 | 1.00 | 6.75 | 3.11 | 6.75 |
| #FFFFFF | 6.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C4733
Deuteranopia (green-blind)
#72672E
Tritanopia (blue-blind)
#C60025
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #b41733; /* rgb */ color: rgb(180, 23, 51); /* oklch */ color: oklch(49.6% 0.187 19.6);
Tailwind
colors: {
custom: {
50: '#d3696a',
500: '#b41733',
950: '#000000',
},
}SCSS
$custom: #b41733; $custom-light: #d3696a; $custom-dark: #000000;
JSON
{
"hex": "#b41733",
"rgb": {
"r": 180,
"g": 23,
"b": 51
},
"hsl": {
"h": 349.299,
"s": 77.34,
"l": 39.804
},
"oklch": {
"l": 0.49601,
"c": 0.1869,
"h": 19.6
},
"luminance": 0.10555
}Semantic roles & 50–950 ramp
primary
#B41733
secondary
#59CEB9
accent
#F4D234
background
#FEF6F6
surface
#FCECEB
border
#D5C7C6
text
#160706
muted
#847A7A