#B53751#B53751
#B53751 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.162 H 12.6°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #B53751 |
|---|---|
| RGB | rgb(181, 55, 81) |
| HSL | hsl(348, 53%, 46%) |
| HSV | hsv(348, 70%, 71%) |
| CMYK | cmyk(0%, 69.6%, 55.2%, 29%) |
| CIE-LAB | lab(42.99, 52.29, 14.05) |
| CIE-LCH | lch(42.99, 54.15, 15.04°) |
| OKLab | oklab(52.91% 0.1579 0.0353) |
| OKLCH | oklch(52.91% 0.162 12.6) |
| XYZ | xyz(21.9094, 13.1532, 9.1681) |
| Luminance | 0.1315 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dark Rose
#B5485D
ΔE00 3.62
Light Burgundy
#A8415B
ΔE00 4.08
Light Maroon
#A24857
ΔE00 4.63
Ruby
#CA0147
ΔE00 4.76
Rose Red
#BE013C
ΔE00 5.57
Dusty Red
#B9484E
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53751 #37B59B
analogous
#B53790 #B53751 #B55C37
triadic
#B53751 #51B537 #3751B5
tetradic
#B53751 #90B537 #37B59B #5C37B5
square
#B53751 #90B537 #37B59B #5C37B5
split-complementary
#B53751 #37B55C #3790B5
monochromatic
#571A27 #86293C #B53751 #CD5C73 #DC8B9B
Accessibility & contrast
On white
5.79
#B53751 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#B53751 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53751
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53751 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53751 | 1.00 | 5.79 | 3.63 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#565551
Deuteranopia (green-blind)
#776F4E
Tritanopia (blue-blind)
#C61C41
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b53751; /* rgb */ color: rgb(181, 55, 81); /* oklch */ color: oklch(52.9% 0.162 12.6);
Tailwind
colors: {
custom: {
50: '#d17681',
500: '#b53751',
950: '#000000',
},
}SCSS
$custom: #b53751; $custom-light: #d17681; $custom-dark: #000000;
JSON
{
"hex": "#b53751",
"rgb": {
"r": 181,
"g": 55,
"b": 81
},
"hsl": {
"h": 347.619,
"s": 53.39,
"l": 46.275
},
"oklch": {
"l": 0.52906,
"c": 0.1618,
"h": 12.6
},
"luminance": 0.1315
}Semantic roles & 50–950 ramp
primary
#B53751
secondary
#82C6B8
accent
#DDBF4B
background
#FDF7F7
surface
#FBEEEE
border
#D4C9C9
text
#15090A
muted
#837B7C