#B53A41#B53A41
#B53A41 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.159 H 21.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).
Color values
| HEX | #B53A41 |
|---|---|
| RGB | rgb(181, 58, 65) |
| HSL | hsl(357, 51%, 47%) |
| HSV | hsv(357, 68%, 71%) |
| CMYK | cmyk(0%, 68%, 64.1%, 29%) |
| CIE-LAB | lab(43.11, 49.97, 24.07) |
| CIE-LCH | lch(43.11, 55.46, 25.72°) |
| OKLab | oklab(52.89% 0.1477 0.0575) |
| OKLCH | oklch(52.89% 0.159 21.3) |
| XYZ | xyz(21.5254, 13.2346, 6.4211) |
| Luminance | 0.1323 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 2.63
Dusty Red
#B9484E
ΔE00 3.50
Cardinal
#C41E3A
ΔE00 3.68
Reddish
#C44240
ΔE00 4.67
Lipstick Red
#C0022F
ΔE00 5.14
Cherry (survey)
#CF0234
ΔE00 5.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53A41 #3AB5AE
analogous
#B53A7F #B53A41 #B5703A
triadic
#B53A41 #41B53A #3A41B5
tetradic
#B53A41 #7FB53A #3AB5AE #703AB5
square
#B53A41 #7FB53A #3AB5AE #703AB5
split-complementary
#B53A41 #3AB570 #3A7FB5
monochromatic
#581C20 #872B30 #B53A41 #CC6066 #DB8E93
Accessibility & contrast
On white
5.76
#B53A41 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.65
#B53A41 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53A41
5.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53A41 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53A41 | 1.00 | 5.76 | 3.65 | 5.76 |
| #FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B5540
Deuteranopia (green-blind)
#7A6F3E
Tritanopia (blue-blind)
#C61B3E
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b53a41; /* rgb */ color: rgb(181, 58, 65); /* oklch */ color: oklch(52.9% 0.159 21.3);
Tailwind
colors: {
custom: {
50: '#d27875',
500: '#b53a41',
950: '#000000',
},
}SCSS
$custom: #b53a41; $custom-light: #d27875; $custom-dark: #000000;
JSON
{
"hex": "#b53a41",
"rgb": {
"r": 181,
"g": 58,
"b": 65
},
"hsl": {
"h": 356.585,
"s": 51.464,
"l": 46.863
},
"oklch": {
"l": 0.52894,
"c": 0.15853,
"h": 21.3
},
"luminance": 0.13232
}Semantic roles & 50–950 ramp
primary
#B53A41
secondary
#85C6C2
accent
#DBD34D
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150908
muted
#837B7B