#663F11#663F11
#663F11 is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.5% C 0.080 H 65.7°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).
Color values
| HEX | #663F11 |
|---|---|
| RGB | rgb(102, 63, 17) |
| HSL | hsl(32, 71%, 23%) |
| HSV | hsv(32, 83%, 40%) |
| CMYK | cmyk(0%, 38.2%, 83.3%, 60%) |
| CIE-LAB | lab(30.45, 12.89, 33.43) |
| CIE-LCH | lch(30.45, 35.83, 68.92°) |
| OKLab | oklab(40.52% 0.033 0.0728) |
| OKLCH | oklch(40.52% 0.08 65.7) |
| XYZ | xyz(7.3588, 6.4210, 1.3820) |
| Luminance | 0.0642 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Brown (survey)
#653700
ΔE00 3.11
Mud Brown
#60460F
ΔE00 5.95
Chocolate
#7B3F00
ΔE00 6.05
Milk Chocolate
#7F4E1E
ΔE00 6.46
Medium Brown
#7F5112
ΔE00 7.41
Saddlebrown
#8B4513
ΔE00 9.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663F11 #113866
analogous
#661511 #663F11 #626611
triadic
#663F11 #11663F #3F1166
tetradic
#663F11 #116615 #113866 #661162
square
#663F11 #116615 #113866 #661162
split-complementary
#663F11 #116266 #151166
monochromatic
#1A1004 #321F08 #663F11 #9A5F1A #CF8022
Accessibility & contrast
On white
9.19
#663F11 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.28
#663F11 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #663F11
9.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663F11 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663F11 | 1.00 | 9.19 | 2.28 | 9.19 |
| #FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C420A
Deuteranopia (green-blind)
#554B12
Tritanopia (blue-blind)
#703636
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #663f11; /* rgb */ color: rgb(102, 63, 17); /* oklch */ color: oklch(40.5% 0.080 65.7);
Tailwind
colors: {
custom: {
50: '#967453',
500: '#663f11',
950: '#000000',
},
}SCSS
$custom: #663f11; $custom-light: #967453; $custom-dark: #000000;
JSON
{
"hex": "#663f11",
"rgb": {
"r": 102,
"g": 63,
"b": 17
},
"hsl": {
"h": 32.471,
"s": 71.429,
"l": 23.333
},
"oklch": {
"l": 0.40517,
"c": 0.07994,
"h": 65.7
},
"luminance": 0.0642
}Semantic roles & 50–950 ramp
primary
#663F11
secondary
#35659E
accent
#8CEE3A
background
#F9F7F4
surface
#F2EDE7
border
#CCC8C3
text
#0E0802
muted
#7E7B78