#403E0A#403E0A
#403E0A is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.5% C 0.069 H 107.2°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #403E0A |
|---|---|
| RGB | rgb(64, 62, 10) |
| HSL | hsl(58, 73%, 15%) |
| HSV | hsv(58, 84%, 25%) |
| CMYK | cmyk(0%, 3.1%, 84.4%, 74.9%) |
| CIE-LAB | lab(25.43, -6.26, 30.10) |
| CIE-LCH | lch(25.43, 30.74, 101.75°) |
| OKLab | oklab(35.5% -0.0205 0.0661) |
| OKLCH | oklch(35.5% 0.069 107.2) |
| XYZ | xyz(3.8919, 4.5573, 0.9617) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Dark Olive
#373E02
ΔE00 3.59
Green Brown
#544E03
ΔE00 6.70
Dark Olive Green
#3C4D03
ΔE00 7.78
Olive Brown
#645403
ΔE00 10.58
Mud Brown
#60460F
ΔE00 10.58
Navy Green
#35530A
ΔE00 11.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403E0A #0A0C40
analogous
#40230A #403E0A #27400A
triadic
#403E0A #0A403E #3E0A40
tetradic
#403E0A #0A4023 #0A0C40 #400A27
square
#403E0A #0A4023 #0A0C40 #400A27
split-complementary
#403E0A #0A2740 #230A40
monochromatic
#1A1A04 #1A1A04 #403E0A #757112 #AAA51B
Accessibility & contrast
On white
10.99
#403E0A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#403E0A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403E0A
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403E0A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403E0A | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#443B02
Deuteranopia (green-blind)
#453D0E
Tritanopia (blue-blind)
#453934
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #403e0a; /* rgb */ color: rgb(64, 62, 10); /* oklch */ color: oklch(35.5% 0.069 107.2);
Tailwind
colors: {
custom: {
50: '#77734e',
500: '#403e0a',
950: '#000000',
},
}SCSS
$custom: #403e0a; $custom-light: #77734e; $custom-dark: #000000;
JSON
{
"hex": "#403e0a",
"rgb": {
"r": 64,
"g": 62,
"b": 10
},
"hsl": {
"h": 57.778,
"s": 72.973,
"l": 14.51
},
"oklch": {
"l": 0.35505,
"c": 0.06921,
"h": 107.2
},
"luminance": 0.04557
}Semantic roles & 50–950 ramp
primary
#403E0A
secondary
#292C7D
accent
#3FF038
background
#F7F6F4
surface
#EDECE7
border
#C8C7C3
text
#090802
muted
#7B7B78