#644F4E#644F4E
#644F4E is a dark, muted red. Relative luminance 0.089; OKLCH L 44.9% C 0.028 H 21.4°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).
Color values
| HEX | #644F4E |
|---|---|
| RGB | rgb(100, 79, 78) |
| HSL | hsl(3, 12%, 35%) |
| HSV | hsv(3, 22%, 39%) |
| CMYK | cmyk(0%, 21%, 22%, 60.8%) |
| CIE-LAB | lab(35.70, 8.61, 3.93) |
| CIE-LCH | lch(35.70, 9.47, 24.54°) |
| OKLab | oklab(44.89% 0.0264 0.0104) |
| OKLCH | oklch(44.89% 0.028 21.4) |
| XYZ | xyz(9.4267, 8.8517, 8.4182) |
| Luminance | 0.0885 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Umber
#635147
ΔE00 5.47
Walnut
#5C4A3D
ΔE00 7.45
Purplish Brown
#6B4247
ΔE00 7.95
Purple Brown
#673A3F
ΔE00 9.85
Brownish Purple
#76424E
ΔE00 10.86
Espresso
#4B382A
ΔE00 11.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#644F4E #4E6364
analogous
#644E58 #644F4E #645A4E
triadic
#644F4E #4E644F #4F4E64
tetradic
#644F4E #58644E #4E6364 #5A4E64
square
#644F4E #58644E #4E6364 #5A4E64
split-complementary
#644F4E #4E645A #4E5864
monochromatic
#1F1918 #423433 #644F4E #866A69 #A38A89
Accessibility & contrast
On white
7.58
#644F4E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.77
#644F4E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #644F4E
7.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##644F4E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##644F4E | 1.00 | 7.58 | 2.77 | 7.58 |
| #FFFFFF | 7.58 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.77 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.58 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#53524E
Deuteranopia (green-blind)
#58554E
Tritanopia (blue-blind)
#694D4F
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #644f4e; /* rgb */ color: rgb(100, 79, 78); /* oklch */ color: oklch(44.9% 0.028 21.4);
Tailwind
colors: {
custom: {
50: '#90807f',
500: '#644f4e',
950: '#000000',
},
}SCSS
$custom: #644f4e; $custom-light: #90807f; $custom-dark: #000000;
JSON
{
"hex": "#644f4e",
"rgb": {
"r": 100,
"g": 79,
"b": 78
},
"hsl": {
"h": 2.727,
"s": 12.36,
"l": 34.902
},
"oklch": {
"l": 0.44894,
"c": 0.02839,
"h": 21.4
},
"luminance": 0.08851
}Semantic roles & 50–950 ramp
primary
#644F4E
secondary
#7D9091
accent
#B2B573
background
#F8F7F7
surface
#F0EEEE
border
#CBC9C9
text
#0C0A0A
muted
#7D7C7C