#B53C2B#B53C2B
#B53C2B is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.160 H 30.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).
Color values
| HEX | #B53C2B |
|---|---|
| RGB | rgb(181, 60, 43) |
| HSL | hsl(7, 62%, 44%) |
| HSV | hsv(7, 76%, 71%) |
| CMYK | cmyk(0%, 66.9%, 76.2%, 29%) |
| CIE-LAB | lab(43.11, 48.01, 36.98) |
| CIE-LCH | lch(43.11, 60.59, 37.61°) |
| OKLab | oklab(52.79% 0.1371 0.0821) |
| OKLCH | oklch(52.79% 0.16 30.9) |
| XYZ | xyz(21.1103, 13.2330, 3.7277) |
| Luminance | 0.1323 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 4.63
Brick
#A03623
ΔE00 4.66
Brownish Red
#9E3623
ΔE00 5.04
Rusty Red
#AF2F0D
ΔE00 5.43
Dull Red
#BB3F3F
ΔE00 5.51
Scarlet
#BE0119
ΔE00 5.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B53C2B #2BA4B5
analogous
#B52B5F #B53C2B #B5812B
triadic
#B53C2B #2BB53C #3C2BB5
tetradic
#B53C2B #5FB52B #2BA4B5 #812BB5
square
#B53C2B #5FB52B #2BA4B5 #812BB5
split-complementary
#B53C2B #2BB581 #2B5FB5
monochromatic
#521B14 #842C1F #B53C2B #D45A49 #E0877B
Accessibility & contrast
On white
5.76
#B53C2B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.65
#B53C2B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B53C2B
5.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B53C2B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B53C2B | 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)
#5E5528
Deuteranopia (green-blind)
#7C7027
Tritanopia (blue-blind)
#C71839
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b53c2b; /* rgb */ color: rgb(181, 60, 43); /* oklch */ color: oklch(52.8% 0.160 30.9);
Tailwind
colors: {
custom: {
50: '#d37865',
500: '#b53c2b',
950: '#000000',
},
}SCSS
$custom: #b53c2b; $custom-light: #d37865; $custom-dark: #000000;
JSON
{
"hex": "#b53c2b",
"rgb": {
"r": 181,
"g": 60,
"b": 43
},
"hsl": {
"h": 7.391,
"s": 61.607,
"l": 43.922
},
"oklch": {
"l": 0.52793,
"c": 0.15975,
"h": 30.9
},
"luminance": 0.1323
}Semantic roles & 50–950 ramp
primary
#B53C2B
secondary
#74BDC8
accent
#D1E543
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160906
muted
#847B7A