#B63F2E#B63F2E
#B63F2E is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.157 H 30.9°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).
Color values
| HEX | #B63F2E |
|---|---|
| RGB | rgb(182, 63, 46) |
| HSL | hsl(8, 60%, 45%) |
| HSV | hsv(8, 75%, 71%) |
| CMYK | cmyk(0%, 65.4%, 74.7%, 28.6%) |
| CIE-LAB | lab(43.80, 47.20, 36.11) |
| CIE-LCH | lch(43.80, 59.42, 37.42°) |
| OKLab | oklab(53.35% 0.135 0.0809) |
| OKLCH | oklch(53.35% 0.157 30.9) |
| XYZ | xyz(21.5644, 13.7005, 4.0932) |
| Luminance | 0.1370 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 5.16
Firebrick
#B22222
ΔE00 5.19
Brick
#A03623
ΔE00 5.20
Reddish
#C44240
ΔE00 5.37
Brownish Red
#9E3623
ΔE00 5.56
Rusty Red
#AF2F0D
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B63F2E #2EA5B6
analogous
#B62E61 #B63F2E #B6832E
triadic
#B63F2E #2EB63F #3F2EB6
tetradic
#B63F2E #61B62E #2EA5B6 #832EB6
square
#B63F2E #61B62E #2EA5B6 #832EB6
split-complementary
#B63F2E #2EB683 #2E61B6
monochromatic
#541D15 #852E22 #B63F2E #D25F4F #DF8C80
Accessibility & contrast
On white
5.62
#B63F2E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.74
#B63F2E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B63F2E
5.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B63F2E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B63F2E | 1.00 | 5.62 | 3.74 | 5.62 |
| #FFFFFF | 5.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#60572B
Deuteranopia (green-blind)
#7E712A
Tritanopia (blue-blind)
#C81F3C
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #b63f2e; /* rgb */ color: rgb(182, 63, 46); /* oklch */ color: oklch(53.4% 0.157 30.9);
Tailwind
colors: {
custom: {
50: '#d47a68',
500: '#b63f2e',
950: '#000000',
},
}SCSS
$custom: #b63f2e; $custom-light: #d47a68; $custom-dark: #000000;
JSON
{
"hex": "#b63f2e",
"rgb": {
"r": 182,
"g": 63,
"b": 46
},
"hsl": {
"h": 7.5,
"s": 59.649,
"l": 44.706
},
"oklch": {
"l": 0.53354,
"c": 0.15738,
"h": 30.9
},
"luminance": 0.13697
}Semantic roles & 50–950 ramp
primary
#B63F2E
secondary
#78BEC8
accent
#CFE345
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A