#403A18#403A18
#403A18 is a dark, muted yellow. Relative luminance 0.042; OKLCH L 34.6% C 0.052 H 99.5°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).
Color values
| HEX | #403A18 |
|---|---|
| RGB | rgb(64, 58, 24) |
| HSL | hsl(51, 45%, 17%) |
| HSV | hsv(51, 63%, 25%) |
| CMYK | cmyk(0%, 9.4%, 62.5%, 74.9%) |
| CIE-LAB | lab(24.26, -2.70, 21.78) |
| CIE-LCH | lch(24.26, 21.95, 97.07°) |
| OKLab | oklab(34.62% -0.0085 0.051) |
| OKLCH | oklch(34.62% 0.052 99.5) |
| XYZ | xyz(3.7924, 4.1822, 1.4715) |
| Luminance | 0.0418 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Dark Olive
#373E02
ΔE00 7.30
Green Brown
#544E03
ΔE00 9.88
Mud Brown
#60460F
ΔE00 10.44
Dark Olive Green
#3C4D03
ΔE00 11.45
Espresso
#4B382A
ΔE00 12.50
Olive Brown
#645403
ΔE00 12.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403A18 #181E40
analogous
#402618 #403A18 #324018
triadic
#403A18 #18403A #3A1840
tetradic
#403A18 #184026 #181E40 #401832
square
#403A18 #184026 #181E40 #401832
split-complementary
#403A18 #183240 #261840
monochromatic
#161408 #161408 #403A18 #6D6229 #998B39
Accessibility & contrast
On white
11.44
#403A18 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.84
#403A18 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403A18
11.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403A18 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403A18 | 1.00 | 11.44 | 1.84 | 11.44 |
| #FFFFFF | 11.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.84 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F3815
Deuteranopia (green-blind)
#413B1A
Tritanopia (blue-blind)
#453632
Achromatopsia (no color)
#3A3A3A
Design tokens & code
CSS
--color: #403a18; /* rgb */ color: rgb(64, 58, 24); /* oklch */ color: oklch(34.6% 0.052 99.5);
Tailwind
colors: {
custom: {
50: '#767056',
500: '#403a18',
950: '#000000',
},
}SCSS
$custom: #403a18; $custom-light: #767056; $custom-dark: #000000;
JSON
{
"hex": "#403a18",
"rgb": {
"r": 64,
"g": 58,
"b": 24
},
"hsl": {
"h": 51,
"s": 45.455,
"l": 17.255
},
"oklch": {
"l": 0.34619,
"c": 0.05172,
"h": 99.5
},
"luminance": 0.04182
}Semantic roles & 50–950 ramp
primary
#403A18
secondary
#3D4677
accent
#66D553
background
#F7F6F5
surface
#EDECE9
border
#C8C7C5
text
#090703
muted
#7B7A78