#B63547#B63547
#B63547 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.165 H 17.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).
Color values
| HEX | #B63547 |
|---|---|
| RGB | rgb(182, 53, 71) |
| HSL | hsl(352, 55%, 46%) |
| HSV | hsv(352, 71%, 71%) |
| CMYK | cmyk(0%, 70.9%, 61%, 28.6%) |
| CIE-LAB | lab(42.69, 52.65, 19.87) |
| CIE-LCH | lch(42.69, 56.28, 20.68°) |
| OKLab | oklab(52.64% 0.1573 0.0484) |
| OKLCH | oklch(52.64% 0.165 17.1) |
| XYZ | xyz(21.7040, 12.9493, 7.3166) |
| Luminance | 0.1295 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 3.98
Dusty Red
#B9484E
ΔE00 4.20
Rose Red
#BE013C
ΔE00 4.24
Ruby
#CA0147
ΔE00 4.64
Dull Red
#BB3F3F
ΔE00 5.23
Rouge
#AB1239
ΔE00 5.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B63547 #35B6A4
analogous
#B63587 #B63547 #B66335
triadic
#B63547 #47B635 #3547B6
tetradic
#B63547 #87B635 #35B6A4 #6335B6
square
#B63547 #87B635 #35B6A4 #6335B6
split-complementary
#B63547 #35B663 #3587B6
monochromatic
#571922 #872735 #B63547 #CF596A #DD8995
Accessibility & contrast
On white
5.85
#B63547 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.59
#B63547 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B63547
5.85:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B63547 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B63547 | 1.00 | 5.85 | 3.59 | 5.85 |
| #FFFFFF | 5.85 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.85 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#575447
Deuteranopia (green-blind)
#786F44
Tritanopia (blue-blind)
#C7113D
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b63547; /* rgb */ color: rgb(182, 53, 71); /* oklch */ color: oklch(52.6% 0.165 17.1);
Tailwind
colors: {
custom: {
50: '#d3757a',
500: '#b63547',
950: '#000000',
},
}SCSS
$custom: #b63547; $custom-light: #d3757a; $custom-dark: #000000;
JSON
{
"hex": "#b63547",
"rgb": {
"r": 182,
"g": 53,
"b": 71
},
"hsl": {
"h": 351.628,
"s": 54.894,
"l": 46.078
},
"oklch": {
"l": 0.52644,
"c": 0.16458,
"h": 17.1
},
"luminance": 0.12946
}Semantic roles & 50–950 ramp
primary
#B63547
secondary
#80C7BD
accent
#DEC94A
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150909
muted
#837B7B