#643F12#643F12
#643F12 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.2% C 0.078 H 66.9°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).
Color values
| HEX | #643F12 |
|---|---|
| RGB | rgb(100, 63, 18) |
| HSL | hsl(33, 69%, 23%) |
| HSV | hsv(33, 82%, 39%) |
| CMYK | cmyk(0%, 37%, 82%, 60.8%) |
| CIE-LAB | lab(30.18, 11.95, 32.61) |
| CIE-LCH | lch(30.18, 34.73, 69.87°) |
| OKLab | oklab(40.25% 0.0305 0.0715) |
| OKLCH | oklch(40.25% 0.078 66.9) |
| XYZ | xyz(7.1428, 6.3087, 1.4137) |
| Luminance | 0.0631 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Brown (survey)
#653700
ΔE00 3.52
Mud Brown
#60460F
ΔE00 5.49
Chocolate
#7B3F00
ΔE00 6.70
Milk Chocolate
#7F4E1E
ΔE00 6.89
Medium Brown
#7F5112
ΔE00 7.70
Saddlebrown
#8B4513
ΔE00 10.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#643F12 #123764
analogous
#641612 #643F12 #606412
triadic
#643F12 #12643F #3F1264
tetradic
#643F12 #126416 #123764 #641260
square
#643F12 #126416 #123764 #641260
split-complementary
#643F12 #126064 #161264
monochromatic
#1A1005 #301E09 #643F12 #98601B #CC8025
Accessibility & contrast
On white
9.29
#643F12 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.26
#643F12 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #643F12
9.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##643F12 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##643F12 | 1.00 | 9.29 | 2.26 | 9.29 |
| #FFFFFF | 9.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B420B
Deuteranopia (green-blind)
#544A13
Tritanopia (blue-blind)
#6E3636
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #643f12; /* rgb */ color: rgb(100, 63, 18); /* oklch */ color: oklch(40.2% 0.078 66.9);
Tailwind
colors: {
custom: {
50: '#947453',
500: '#643f12',
950: '#000000',
},
}SCSS
$custom: #643f12; $custom-light: #947453; $custom-dark: #000000;
JSON
{
"hex": "#643f12",
"rgb": {
"r": 100,
"g": 63,
"b": 18
},
"hsl": {
"h": 32.927,
"s": 69.492,
"l": 23.137
},
"oklch": {
"l": 0.40248,
"c": 0.0777,
"h": 66.9
},
"luminance": 0.06308
}Semantic roles & 50–950 ramp
primary
#643F12
secondary
#36649C
accent
#8BEC3B
background
#F9F7F4
surface
#F2EDE7
border
#CCC8C3
text
#0E0802
muted
#7E7B78