#3F310A#3F310A
#3F310A is a dark, muted orange. Relative luminance 0.033; OKLCH L 32.1% C 0.057 H 88.3°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).
Color values
| HEX | #3F310A |
|---|---|
| RGB | rgb(63, 49, 10) |
| HSL | hsl(44, 73%, 14%) |
| HSV | hsv(44, 84%, 25%) |
| CMYK | cmyk(0%, 22.2%, 84.1%, 75.3%) |
| CIE-LAB | lab(21.12, 1.53, 25.67) |
| CIE-LCH | lch(21.12, 25.71, 86.60°) |
| OKLab | oklab(32.05% 0.0017 0.0573) |
| OKLCH | oklch(32.05% 0.057 88.3) |
| XYZ | xyz(3.2032, 3.2755, 0.7506) |
| Luminance | 0.0328 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Mud Brown
#60460F
ΔE00 9.11
Dark Olive
#373E02
ΔE00 10.43
Dark Brown
#341C02
ΔE00 10.67
Espresso
#4B382A
ΔE00 10.68
Green Brown
#544E03
ΔE00 11.59
Brown (survey)
#653700
ΔE00 12.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F310A #0A183F
analogous
#3F170A #3F310A #333F0A
triadic
#3F310A #0A3F31 #310A3F
tetradic
#3F310A #0A3F17 #0A183F #3F0A33
square
#3F310A #0A3F17 #0A183F #3F0A33
split-complementary
#3F310A #0A333F #170A3F
monochromatic
#1A1504 #1A1504 #3F310A #745A12 #A9831B
Accessibility & contrast
On white
12.69
#3F310A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.66
#3F310A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F310A
12.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F310A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F310A | 1.00 | 12.69 | 1.66 | 12.69 |
| #FFFFFF | 12.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#383105
Deuteranopia (green-blind)
#3B340C
Tritanopia (blue-blind)
#452C29
Achromatopsia (no color)
#333333
Design tokens & code
CSS
--color: #3f310a; /* rgb */ color: rgb(63, 49, 10); /* oklch */ color: oklch(32.1% 0.057 88.3);
Tailwind
colors: {
custom: {
50: '#77684c',
500: '#3f310a',
950: '#000000',
},
}SCSS
$custom: #3f310a; $custom-light: #77684c; $custom-dark: #000000;
JSON
{
"hex": "#3f310a",
"rgb": {
"r": 63,
"g": 49,
"b": 10
},
"hsl": {
"h": 44.151,
"s": 72.603,
"l": 14.314
},
"oklch": {
"l": 0.32054,
"c": 0.05734,
"h": 88.3
},
"luminance": 0.03275
}Semantic roles & 50–950 ramp
primary
#3F310A
secondary
#293F7C
accent
#69EF38
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#090601
muted
#7B7A77