#644A2F#644A2F
#644A2F is a dark, muted orange. Relative luminance 0.078; OKLCH L 43.0% C 0.054 H 66.6°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).
Color values
| HEX | #644A2F |
|---|---|
| RGB | rgb(100, 74, 47) |
| HSL | hsl(31, 36%, 29%) |
| HSV | hsv(31, 53%, 39%) |
| CMYK | cmyk(0%, 26%, 53%, 60.8%) |
| CIE-LAB | lab(33.59, 7.34, 20.35) |
| CIE-LCH | lch(33.59, 21.63, 70.15°) |
| OKLab | oklab(43.02% 0.0213 0.0494) |
| OKLCH | oklch(43.02% 0.054 66.6) |
| XYZ | xyz(8.2178, 7.8127, 3.7639) |
| Luminance | 0.0781 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Walnut
#5C4A3D
ΔE00 5.86
Umber
#635147
ΔE00 7.56
Mud Brown
#60460F
ΔE00 7.69
Espresso
#4B382A
ΔE00 8.12
Milk Chocolate
#7F4E1E
ΔE00 8.56
Brown (survey)
#653700
ΔE00 9.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#644A2F #2F4964
analogous
#64302F #644A2F #64642F
triadic
#644A2F #2F644A #4A2F64
tetradic
#644A2F #2F6430 #2F4964 #642F64
square
#644A2F #2F6430 #2F4964 #642F64
split-complementary
#644A2F #2F6464 #302F64
monochromatic
#150F0A #3A2B1B #644A2F #8E6943 #B2885B
Accessibility & contrast
On white
8.20
#644A2F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#644A2F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #644A2F
8.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##644A2F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##644A2F | 1.00 | 8.20 | 2.56 | 8.20 |
| #FFFFFF | 8.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#534B2D
Deuteranopia (green-blind)
#59512F
Tritanopia (blue-blind)
#6C4443
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #644a2f; /* rgb */ color: rgb(100, 74, 47); /* oklch */ color: oklch(43.0% 0.054 66.6);
Tailwind
colors: {
custom: {
50: '#927c68',
500: '#644a2f',
950: '#000000',
},
}SCSS
$custom: #644a2f; $custom-light: #927c68; $custom-dark: #000000;
JSON
{
"hex": "#644a2f",
"rgb": {
"r": 100,
"g": 74,
"b": 47
},
"hsl": {
"h": 30.566,
"s": 36.054,
"l": 28.824
},
"oklch": {
"l": 0.43023,
"c": 0.05378,
"h": 66.6
},
"luminance": 0.07812
}Semantic roles & 50–950 ramp
primary
#644A2F
secondary
#597796
accent
#93CC5C
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0906
muted
#7E7B7A