#63281E#63281E
#63281E is a dark, moderate red. Relative luminance 0.043; OKLCH L 35.9% C 0.088 H 31.5°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).
Color values
| HEX | #63281E |
|---|---|
| RGB | rgb(99, 40, 30) |
| HSL | hsl(9, 53%, 25%) |
| HSV | hsv(9, 70%, 39%) |
| CMYK | cmyk(0%, 59.6%, 69.7%, 61.2%) |
| CIE-LAB | lab(24.53, 25.93, 19.62) |
| CIE-LCH | lch(24.53, 32.51, 37.11°) |
| OKLab | oklab(35.92% 0.0751 0.046) |
| OKLCH | oklch(35.92% 0.088 31.5) |
| XYZ | xyz(6.1393, 4.2647, 1.7279) |
| Luminance | 0.0426 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Reddy Brown
#6E1005
ΔE00 6.52
Rosewood
#65000B
ΔE00 7.19
Blood
#770001
ΔE00 8.28
Wine
#722F37
ΔE00 8.39
Claret
#680018
ΔE00 8.47
Dried Blood
#4B0101
ΔE00 8.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63281E #1E5963
analogous
#631E36 #63281E #634A1E
triadic
#63281E #1E6328 #281E63
tetradic
#63281E #36631E #1E5963 #4A1E63
square
#63281E #36631E #1E5963 #4A1E63
split-complementary
#63281E #1E634A #1E3663
monochromatic
#170907 #341510 #63281E #923B2C #C14E3A
Accessibility & contrast
On white
11.33
#63281E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.85
#63281E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #63281E
11.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63281E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##63281E | 1.00 | 11.33 | 1.85 | 11.33 |
| #FFFFFF | 11.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.85 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#37321D
Deuteranopia (green-blind)
#463F1D
Tritanopia (blue-blind)
#6D1C26
Achromatopsia (no color)
#3A3A3A
Design tokens & code
CSS
--color: #63281e; /* rgb */ color: rgb(99, 40, 30); /* oklch */ color: oklch(35.9% 0.088 31.5);
Tailwind
colors: {
custom: {
50: '#94645a',
500: '#63281e',
950: '#000000',
},
}SCSS
$custom: #63281e; $custom-light: #94645a; $custom-dark: #000000;
JSON
{
"hex": "#63281e",
"rgb": {
"r": 99,
"g": 40,
"b": 30
},
"hsl": {
"h": 8.696,
"s": 53.488,
"l": 25.294
},
"oklch": {
"l": 0.35923,
"c": 0.08806,
"h": 31.5
},
"luminance": 0.04264
}Semantic roles & 50–950 ramp
primary
#63281E
secondary
#458C98
accent
#C8DD4B
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0503
muted
#7E7A78