#37401B#37401B
#37401B is a dark, muted yellow-green. Relative luminance 0.046; OKLCH L 35.4% C 0.059 H 120.8°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #37401B |
|---|---|
| RGB | rgb(55, 64, 27) |
| HSL | hsl(75, 41%, 18%) |
| HSV | hsv(75, 58%, 25%) |
| CMYK | cmyk(14.1%, 0%, 57.8%, 74.9%) |
| CIE-LAB | lab(25.44, -10.59, 21.20) |
| CIE-LCH | lch(25.44, 23.69, 116.54°) |
| OKLab | oklab(35.35% -0.0299 0.0503) |
| OKLCH | oklch(35.35% 0.059 120.8) |
| XYZ | xyz(3.6068, 4.5582, 1.7265) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Dark Olive
#373E02
ΔE00 5.22
Dark Olive Green
#3C4D03
ΔE00 7.80
Navy Green
#35530A
ΔE00 9.33
Forrest Green
#154406
ΔE00 9.41
Hunter Green (survey)
#0B4008
ΔE00 9.94
Dark Green
#033500
ΔE00 10.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37401B #241B40
analogous
#40361B #37401B #24401B
triadic
#37401B #1B3740 #401B37
tetradic
#37401B #1B4036 #241B40 #401B24
square
#37401B #1B4036 #241B40 #401B24
split-complementary
#37401B #1B2440 #361B40
monochromatic
#121609 #121609 #37401B #5C6B2D #81963F
Accessibility & contrast
On white
10.99
#37401B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#37401B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37401B
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37401B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37401B | 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)
#443C18
Deuteranopia (green-blind)
#433C1D
Tritanopia (blue-blind)
#3A3D38
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #37401b; /* rgb */ color: rgb(55, 64, 27); /* oklch */ color: oklch(35.4% 0.059 120.8);
Tailwind
colors: {
custom: {
50: '#6f7458',
500: '#37401b',
950: '#000000',
},
}SCSS
$custom: #37401b; $custom-light: #6f7458; $custom-dark: #000000;
JSON
{
"hex": "#37401b",
"rgb": {
"r": 55,
"g": 64,
"b": 27
},
"hsl": {
"h": 74.595,
"s": 40.659,
"l": 17.843
},
"oklch": {
"l": 0.35354,
"c": 0.0585,
"h": 120.8
},
"luminance": 0.04558
}Semantic roles & 50–950 ramp
primary
#37401B
secondary
#4E4175
accent
#57D175
background
#F6F7F5
surface
#ECEDE9
border
#C7C8C5
text
#070803
muted
#7A7B78