#3F330B#3F330B
#3F330B is a dark, muted yellow. Relative luminance 0.034; OKLCH L 32.6% C 0.058 H 91.8°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).
Color values
| HEX | #3F330B |
|---|---|
| RGB | rgb(63, 51, 11) |
| HSL | hsl(46, 70%, 15%) |
| HSV | hsv(46, 83%, 25%) |
| CMYK | cmyk(0%, 19%, 82.5%, 75.3%) |
| CIE-LAB | lab(21.76, 0.27, 25.95) |
| CIE-LCH | lch(21.76, 25.95, 89.40°) |
| OKLab | oklab(32.56% -0.0018 0.0579) |
| OKLCH | oklch(32.56% 0.058 91.8) |
| XYZ | xyz(3.2943, 3.4488, 0.8087) |
| Luminance | 0.0345 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Mud Brown
#60460F
ΔE00 9.10
Dark Olive
#373E02
ΔE00 9.22
Green Brown
#544E03
ΔE00 10.68
Espresso
#4B382A
ΔE00 11.45
Dark Brown
#341C02
ΔE00 11.87
Olive Brown
#645403
ΔE00 12.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F330B #0B173F
analogous
#3F190B #3F330B #313F0B
triadic
#3F330B #0B3F33 #330B3F
tetradic
#3F330B #0B3F19 #0B173F #3F0B31
square
#3F330B #0B3F19 #0B173F #3F0B31
split-complementary
#3F330B #0B313F #190B3F
monochromatic
#1A1505 #1A1505 #3F330B #735D14 #A7871D
Accessibility & contrast
On white
12.43
#3F330B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.69
#3F330B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3F330B
12.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F330B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F330B | 1.00 | 12.43 | 1.69 | 12.43 |
| #FFFFFF | 12.43 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.43 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A3206
Deuteranopia (green-blind)
#3D360D
Tritanopia (blue-blind)
#452E2B
Achromatopsia (no color)
#343434
Design tokens & code
CSS
--color: #3f330b; /* rgb */ color: rgb(63, 51, 11); /* oklch */ color: oklch(32.6% 0.058 91.8);
Tailwind
colors: {
custom: {
50: '#766a4d',
500: '#3f330b',
950: '#000000',
},
}SCSS
$custom: #3f330b; $custom-light: #766a4d; $custom-dark: #000000;
JSON
{
"hex": "#3f330b",
"rgb": {
"r": 63,
"g": 51,
"b": 11
},
"hsl": {
"h": 46.154,
"s": 70.27,
"l": 14.51
},
"oklch": {
"l": 0.32564,
"c": 0.0579,
"h": 91.8
},
"luminance": 0.03449
}Semantic roles & 50–950 ramp
primary
#3F330B
secondary
#2A3D7C
accent
#64ED3B
background
#F7F6F4
surface
#EDEBE7
border
#C8C6C3
text
#090601
muted
#7B7A77