#B63530#B63530
#B63530 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.167 H 26.9°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).
Color values
| HEX | #B63530 |
|---|---|
| RGB | rgb(182, 53, 48) |
| HSL | hsl(2, 58%, 45%) |
| HSV | hsv(2, 74%, 71%) |
| CMYK | cmyk(0%, 70.9%, 73.6%, 28.6%) |
| CIE-LAB | lab(42.32, 51.37, 33.31) |
| CIE-LCH | lch(42.32, 61.23, 32.96°) |
| OKLab | oklab(52.25% 0.1485 0.0753) |
| OKLCH | oklch(52.25% 0.167 26.9) |
| XYZ | xyz(21.1004, 12.7079, 4.1375) |
| Luminance | 0.1270 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.32
Dull Red
#BB3F3F
ΔE00 3.52
Brown
#A52A2A
ΔE00 4.37
Reddish
#C44240
ΔE00 4.72
Scarlet
#BE0119
ΔE00 4.77
Lipstick Red
#C0022F
ΔE00 5.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B63530 #30B1B6
analogous
#B6306E #B63530 #B67830
triadic
#B63530 #30B635 #3530B6
tetradic
#B63530 #6EB630 #30B1B6 #7830B6
square
#B63530 #6EB630 #30B1B6 #7830B6
split-complementary
#B63530 #30B678 #306EB6
monochromatic
#551916 #862723 #B63530 #D15752 #DE8682
Accessibility & contrast
On white
5.93
#B63530 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.54
#B63530 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B63530
5.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B63530 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B63530 | 1.00 | 5.93 | 3.54 | 5.93 |
| #FFFFFF | 5.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A522E
Deuteranopia (green-blind)
#7A6E2B
Tritanopia (blue-blind)
#C80335
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b63530; /* rgb */ color: rgb(182, 53, 48); /* oklch */ color: oklch(52.3% 0.167 26.9);
Tailwind
colors: {
custom: {
50: '#d47569',
500: '#b63530',
950: '#000000',
},
}SCSS
$custom: #b63530; $custom-light: #d47569; $custom-dark: #000000;
JSON
{
"hex": "#b63530",
"rgb": {
"r": 182,
"g": 53,
"b": 48
},
"hsl": {
"h": 2.239,
"s": 58.261,
"l": 45.098
},
"oklch": {
"l": 0.52252,
"c": 0.1665,
"h": 26.9
},
"luminance": 0.12705
}Semantic roles & 50–950 ramp
primary
#B63530
secondary
#7BC4C7
accent
#DCE146
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160906
muted
#847B7A