#642F1E#642F1E
#642F1E is a dark, moderate red. Relative luminance 0.048; OKLCH L 37.3% C 0.082 H 38.4°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).
Color values
| HEX | #642F1E |
|---|---|
| RGB | rgb(100, 47, 30) |
| HSL | hsl(15, 54%, 25%) |
| HSV | hsv(15, 70%, 39%) |
| CMYK | cmyk(0%, 53%, 70%, 60.8%) |
| CIE-LAB | lab(26.26, 22.37, 21.74) |
| CIE-LCH | lch(26.26, 31.19, 44.19°) |
| OKLab | oklab(37.28% 0.064 0.0507) |
| OKLCH | oklch(37.28% 0.082 38.4) |
| XYZ | xyz(6.5070, 4.8369, 1.8190) |
| Luminance | 0.0484 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Chestnut
#742802
ΔE00 7.16
Reddish Brown
#7F2B0A
ΔE00 7.78
Reddy Brown
#6E1005
ΔE00 7.78
Chocolate Brown
#411900
ΔE00 8.74
Red Brown
#8B2E16
ΔE00 8.97
Blood
#770001
ΔE00 9.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#642F1E #1E5364
analogous
#641E30 #642F1E #64521E
triadic
#642F1E #1E642F #2F1E64
tetradic
#642F1E #30641E #1E5364 #521E64
square
#642F1E #30641E #1E5364 #521E64
split-complementary
#642F1E #1E6452 #1E3064
monochromatic
#180B07 #351910 #642F1E #93452C #C25B3A
Accessibility & contrast
On white
10.68
#642F1E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.97
#642F1E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #642F1E
10.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##642F1E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##642F1E | 1.00 | 10.68 | 1.97 | 10.68 |
| #FFFFFF | 10.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D371C
Deuteranopia (green-blind)
#4A431D
Tritanopia (blue-blind)
#6E252B
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #642f1e; /* rgb */ color: rgb(100, 47, 30); /* oklch */ color: oklch(37.3% 0.082 38.4);
Tailwind
colors: {
custom: {
50: '#95695a',
500: '#642f1e',
950: '#000000',
},
}SCSS
$custom: #642f1e; $custom-light: #95695a; $custom-dark: #000000;
JSON
{
"hex": "#642f1e",
"rgb": {
"r": 100,
"g": 47,
"b": 30
},
"hsl": {
"h": 14.571,
"s": 53.846,
"l": 25.49
},
"oklch": {
"l": 0.37277,
"c": 0.08159,
"h": 38.4
},
"luminance": 0.04836
}Semantic roles & 50–950 ramp
primary
#642F1E
secondary
#458499
accent
#BADD4B
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0604
muted
#7E7A79