#B63A45#B63A45
#B63A45 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.159 H 19.5°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).
Color values
| HEX | #B63A45 |
|---|---|
| RGB | rgb(182, 58, 69) |
| HSL | hsl(355, 52%, 47%) |
| HSV | hsv(355, 68%, 71%) |
| CMYK | cmyk(0%, 68.1%, 62.1%, 28.6%) |
| CIE-LAB | lab(43.37, 50.55, 21.99) |
| CIE-LCH | lch(43.37, 55.13, 23.51°) |
| OKLab | oklab(53.14% 0.1502 0.0531) |
| OKLCH | oklch(53.14% 0.159 19.5) |
| XYZ | xyz(21.8808, 13.4039, 7.0641) |
| Luminance | 0.1340 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dusty Red
#B9484E
ΔE00 3.12
Dull Red
#BB3F3F
ΔE00 3.56
Cardinal
#C41E3A
ΔE00 3.75
Rose Red
#BE013C
ΔE00 5.28
Reddish
#C44240
ΔE00 5.34
Lipstick Red
#C0022F
ΔE00 5.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B63A45 #3AB6AB
analogous
#B63A83 #B63A45 #B66D3A
triadic
#B63A45 #45B63A #3A45B6
tetradic
#B63A45 #83B63A #3AB6AB #6D3AB6
square
#B63A45 #83B63A #3AB6AB #6D3AB6
split-complementary
#B63A45 #3AB66D #3A83B6
monochromatic
#591C22 #882B33 #B63A45 #CD616A #DB8F96
Accessibility & contrast
On white
5.71
#B63A45 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.68
#B63A45 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B63A45
5.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B63A45 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B63A45 | 1.00 | 5.71 | 3.68 | 5.71 |
| #FFFFFF | 5.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B5645
Deuteranopia (green-blind)
#7A7042
Tritanopia (blue-blind)
#C71C3F
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b63a45; /* rgb */ color: rgb(182, 58, 69); /* oklch */ color: oklch(53.1% 0.159 19.5);
Tailwind
colors: {
custom: {
50: '#d37878',
500: '#b63a45',
950: '#000000',
},
}SCSS
$custom: #b63a45; $custom-light: #d37878; $custom-dark: #000000;
JSON
{
"hex": "#b63a45",
"rgb": {
"r": 182,
"g": 58,
"b": 69
},
"hsl": {
"h": 354.677,
"s": 51.667,
"l": 47.059
},
"oklch": {
"l": 0.53138,
"c": 0.15934,
"h": 19.5
},
"luminance": 0.13401
}Semantic roles & 50–950 ramp
primary
#B63A45
secondary
#86C6C0
accent
#DBCE4D
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150909
muted
#837B7B