#3F310F#3F310F
#3F310F is a dark, muted orange. Relative luminance 0.033; OKLCH L 32.1% C 0.053 H 86.4°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).
Color values
| HEX | #3F310F |
|---|---|
| RGB | rgb(63, 49, 15) |
| HSL | hsl(43, 62%, 15%) |
| HSV | hsv(43, 76%, 25%) |
| CMYK | cmyk(0%, 22.2%, 76.2%, 75.3%) |
| CIE-LAB | lab(21.16, 1.85, 23.38) |
| CIE-LCH | lch(21.16, 23.46, 85.48°) |
| OKLab | oklab(32.11% 0.0034 0.0531) |
| OKLCH | oklch(32.11% 0.053 86.4) |
| XYZ | xyz(3.2346, 3.2881, 0.9161) |
| Luminance | 0.0329 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Mud Brown
#60460F
ΔE00 9.49
Espresso
#4B382A
ΔE00 9.66
Dark Brown
#341C02
ΔE00 10.07
Dark Olive
#373E02
ΔE00 11.06
Green Brown
#544E03
ΔE00 12.27
Brown (survey)
#653700
ΔE00 12.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F310F #0F1D3F
analogous
#3F190F #3F310F #353F0F
triadic
#3F310F #0F3F31 #310F3F
tetradic
#3F310F #0F3F19 #0F1D3F #3F0F35
square
#3F310F #0F3F19 #0F1D3F #3F0F35
split-complementary
#3F310F #0F353F #190F3F
monochromatic
#191306 #191306 #3F310F #70571B #A27E27
Accessibility & contrast
On white
12.67
#3F310F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.66
#3F310F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F310F
12.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F310F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F310F | 1.00 | 12.67 | 1.66 | 12.67 |
| #FFFFFF | 12.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#38310B
Deuteranopia (green-blind)
#3B3410
Tritanopia (blue-blind)
#452C2A
Achromatopsia (no color)
#333333
Design tokens & code
CSS
--color: #3f310f; /* rgb */ color: rgb(63, 49, 15); /* oklch */ color: oklch(32.1% 0.053 86.4);
Tailwind
colors: {
custom: {
50: '#76684f',
500: '#3f310f',
950: '#000000',
},
}SCSS
$custom: #3f310f; $custom-light: #76684f; $custom-dark: #000000;
JSON
{
"hex": "#3f310f",
"rgb": {
"r": 63,
"g": 49,
"b": 15
},
"hsl": {
"h": 42.5,
"s": 61.538,
"l": 15.294
},
"oklch": {
"l": 0.32107,
"c": 0.05316,
"h": 86.4
},
"luminance": 0.03288
}Semantic roles & 50–950 ramp
primary
#3F310F
secondary
#304679
accent
#72E543
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#090602
muted
#7B7A78