#403E0B#403E0B
#403E0B is a dark, moderate yellow. Relative luminance 0.046; OKLCH L 35.5% C 0.069 H 107.1°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).
Color values
| HEX | #403E0B |
|---|---|
| RGB | rgb(64, 62, 11) |
| HSL | hsl(58, 71%, 15%) |
| HSV | hsv(58, 83%, 25%) |
| CMYK | cmyk(0%, 3.1%, 82.8%, 74.9%) |
| CIE-LAB | lab(25.44, -6.21, 29.69) |
| CIE-LCH | lch(25.44, 30.33, 101.81°) |
| OKLab | oklab(35.51% -0.0202 0.0655) |
| OKLCH | oklch(35.51% 0.069 107.1) |
| XYZ | xyz(3.8975, 4.5595, 0.9913) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Dark Olive
#373E02
ΔE00 3.63
Green Brown
#544E03
ΔE00 6.79
Dark Olive Green
#3C4D03
ΔE00 7.83
Mud Brown
#60460F
ΔE00 10.60
Olive Brown
#645403
ΔE00 10.65
Navy Green
#35530A
ΔE00 11.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#403E0B #0B0D40
analogous
#40240B #403E0B #28400B
triadic
#403E0B #0B403E #3E0B40
tetradic
#403E0B #0B4024 #0B0D40 #400B28
square
#403E0B #0B4024 #0B0D40 #400B28
split-complementary
#403E0B #0B2840 #240B40
monochromatic
#1A1904 #1A1904 #403E0B #747114 #A8A31D
Accessibility & contrast
On white
10.98
#403E0B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#403E0B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #403E0B
10.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##403E0B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##403E0B | 1.00 | 10.98 | 1.91 | 10.98 |
| #FFFFFF | 10.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#443B03
Deuteranopia (green-blind)
#453D0F
Tritanopia (blue-blind)
#453934
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #403e0b; /* rgb */ color: rgb(64, 62, 11); /* oklch */ color: oklch(35.5% 0.069 107.1);
Tailwind
colors: {
custom: {
50: '#77734e',
500: '#403e0b',
950: '#000000',
},
}SCSS
$custom: #403e0b; $custom-light: #77734e; $custom-dark: #000000;
JSON
{
"hex": "#403e0b",
"rgb": {
"r": 64,
"g": 62,
"b": 11
},
"hsl": {
"h": 57.736,
"s": 70.667,
"l": 14.706
},
"oklch": {
"l": 0.35512,
"c": 0.06851,
"h": 107.1
},
"luminance": 0.04559
}Semantic roles & 50–950 ramp
primary
#403E0B
secondary
#2A2D7D
accent
#41ED3A
background
#F7F6F4
surface
#EDECE7
border
#C8C7C3
text
#090802
muted
#7B7B78