#B63630#B63630
#B63630 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.166 H 27.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).
Color values
| HEX | #B63630 |
|---|---|
| RGB | rgb(182, 54, 48) |
| HSL | hsl(3, 58%, 45%) |
| HSV | hsv(3, 74%, 71%) |
| CMYK | cmyk(0%, 70.3%, 73.6%, 28.6%) |
| CIE-LAB | lab(42.46, 50.99, 33.47) |
| CIE-LCH | lch(42.46, 60.99, 33.28°) |
| OKLab | oklab(52.36% 0.1473 0.0756) |
| OKLCH | oklch(52.36% 0.166 27.2) |
| XYZ | xyz(21.1464, 12.8000, 4.1529) |
| Luminance | 0.1280 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.43
Dull Red
#BB3F3F
ΔE00 3.55
Brown
#A52A2A
ΔE00 4.52
Reddish
#C44240
ΔE00 4.67
Scarlet
#BE0119
ΔE00 4.85
Brick
#A03623
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B63630 #30B0B6
analogous
#B6306D #B63630 #B67930
triadic
#B63630 #30B636 #3630B6
tetradic
#B63630 #6DB630 #30B0B6 #7930B6
square
#B63630 #6DB630 #30B0B6 #7930B6
split-complementary
#B63630 #30B679 #306DB6
monochromatic
#551916 #862823 #B63630 #D15852 #DE8682
Accessibility & contrast
On white
5.90
#B63630 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.56
#B63630 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B63630
5.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B63630 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B63630 | 1.00 | 5.90 | 3.56 | 5.90 |
| #FFFFFF | 5.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B532E
Deuteranopia (green-blind)
#7B6E2C
Tritanopia (blue-blind)
#C80736
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b63630; /* rgb */ color: rgb(182, 54, 48); /* oklch */ color: oklch(52.4% 0.166 27.2);
Tailwind
colors: {
custom: {
50: '#d47569',
500: '#b63630',
950: '#000000',
},
}SCSS
$custom: #b63630; $custom-light: #d47569; $custom-dark: #000000;
JSON
{
"hex": "#b63630",
"rgb": {
"r": 182,
"g": 54,
"b": 48
},
"hsl": {
"h": 2.687,
"s": 58.261,
"l": 45.098
},
"oklch": {
"l": 0.52357,
"c": 0.16558,
"h": 27.2
},
"luminance": 0.12797
}Semantic roles & 50–950 ramp
primary
#B63630
secondary
#7BC4C7
accent
#DBE146
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A