#B63443#B63443
#B63443 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.166 H 18.7°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).
Color values
| HEX | #B63443 |
|---|---|
| RGB | rgb(182, 52, 67) |
| HSL | hsl(353, 56%, 46%) |
| HSV | hsv(353, 71%, 71%) |
| CMYK | cmyk(0%, 71.4%, 63.2%, 28.6%) |
| CIE-LAB | lab(42.47, 52.77, 22.07) |
| CIE-LCH | lch(42.47, 57.20, 22.69°) |
| OKLab | oklab(52.46% 0.1569 0.0531) |
| OKLCH | oklch(52.46% 0.166 18.7) |
| XYZ | xyz(21.5347, 12.8094, 6.6476) |
| Luminance | 0.1281 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Cardinal
#C41E3A
ΔE00 3.25
Dusty Red
#B9484E
ΔE00 4.16
Rose Red
#BE013C
ΔE00 4.23
Dull Red
#BB3F3F
ΔE00 4.34
Lipstick Red
#C0022F
ΔE00 4.92
Ruby
#CA0147
ΔE00 5.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B63443 #34B6A7
analogous
#B63484 #B63443 #B66634
triadic
#B63443 #43B634 #3443B6
tetradic
#B63443 #84B634 #34B6A7 #6634B6
square
#B63443 #84B634 #34B6A7 #6634B6
split-complementary
#B63443 #34B666 #3484B6
monochromatic
#571920 #862631 #B63443 #CF5866 #DD8891
Accessibility & contrast
On white
5.90
#B63443 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.56
#B63443 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B63443
5.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B63443 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B63443 | 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)
#575343
Deuteranopia (green-blind)
#786E3F
Tritanopia (blue-blind)
#C80C3A
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b63443; /* rgb */ color: rgb(182, 52, 67); /* oklch */ color: oklch(52.5% 0.166 18.7);
Tailwind
colors: {
custom: {
50: '#d37577',
500: '#b63443',
950: '#000000',
},
}SCSS
$custom: #b63443; $custom-light: #d37577; $custom-dark: #000000;
JSON
{
"hex": "#b63443",
"rgb": {
"r": 182,
"g": 52,
"b": 67
},
"hsl": {
"h": 353.077,
"s": 55.556,
"l": 45.882
},
"oklch": {
"l": 0.52462,
"c": 0.16565,
"h": 18.7
},
"luminance": 0.12806
}Semantic roles & 50–950 ramp
primary
#B63443
secondary
#7FC7BE
accent
#DFCE49
background
#FDF7F7
surface
#FBEDED
border
#D4C8C8
text
#150908
muted
#837B7B