#663D0F#663D0F
#663D0F is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.1% C 0.082 H 63.8°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).
Color values
| HEX | #663D0F |
|---|---|
| RGB | rgb(102, 61, 15) |
| HSL | hsl(32, 74%, 23%) |
| HSV | hsv(32, 85%, 40%) |
| CMYK | cmyk(0%, 40.2%, 85.3%, 60%) |
| CIE-LAB | lab(29.91, 14.04, 33.82) |
| CIE-LCH | lch(29.91, 36.62, 67.46°) |
| OKLab | oklab(40.09% 0.0361 0.0731) |
| OKLCH | oklch(40.09% 0.082 63.8) |
| XYZ | xyz(7.2351, 6.1975, 1.2671) |
| Luminance | 0.0620 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Brown (survey)
#653700
ΔE00 2.40
Chocolate
#7B3F00
ΔE00 5.66
Milk Chocolate
#7F4E1E
ΔE00 6.67
Mud Brown
#60460F
ΔE00 6.77
Medium Brown
#7F5112
ΔE00 7.85
Saddlebrown
#8B4513
ΔE00 9.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663D0F #0F3866
analogous
#66110F #663D0F #63660F
triadic
#663D0F #0F663D #3D0F66
tetradic
#663D0F #0F6611 #0F3866 #660F63
square
#663D0F #0F6611 #0F3866 #660F63
split-complementary
#663D0F #0F6366 #110F66
monochromatic
#1B1004 #311D07 #663D0F #9B5D17 #D17D1F
Accessibility & contrast
On white
9.38
#663D0F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.24
#663D0F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #663D0F
9.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663D0F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663D0F | 1.00 | 9.38 | 2.24 | 9.38 |
| #FFFFFF | 9.38 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.38 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A4107
Deuteranopia (green-blind)
#544A10
Tritanopia (blue-blind)
#703434
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #663d0f; /* rgb */ color: rgb(102, 61, 15); /* oklch */ color: oklch(40.1% 0.082 63.8);
Tailwind
colors: {
custom: {
50: '#967251',
500: '#663d0f',
950: '#000000',
},
}SCSS
$custom: #663d0f; $custom-light: #967251; $custom-dark: #000000;
JSON
{
"hex": "#663d0f",
"rgb": {
"r": 102,
"g": 61,
"b": 15
},
"hsl": {
"h": 31.724,
"s": 74.359,
"l": 22.941
},
"oklch": {
"l": 0.4009,
"c": 0.08151,
"h": 63.8
},
"luminance": 0.06197
}Semantic roles & 50–950 ramp
primary
#663D0F
secondary
#32659F
accent
#8FF137
background
#F9F6F4
surface
#F2ECE7
border
#CCC7C3
text
#0E0802
muted
#7E7B78