#3D581B#3D581B

#3D581B is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.5% C 0.093 H 130.0°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3D581B
RGB	rgb(61, 88, 27)
HSL	hsl(87, 53%, 23%)
HSV	hsv(87, 69%, 35%)
CMYK	cmyk(30.7%, 0%, 69.3%, 65.5%)
CIE-LAB	lab(34.09, -21.20, 31.11)
CIE-LCH	lch(34.09, 37.65, 124.27°)
OKLab	oklab(42.46% -0.0598 0.0714)
OKLCH	oklch(42.46% 0.093 130)
XYZ	xyz(5.6120, 8.0505, 2.2949)
Luminance	0.0805 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D581B #361B58

analogous

#58541B #3D581B #1F581B

triadic

#3D581B #1B3D58 #581B3D

tetradic

#3D581B #1B5854 #361B58 #581B1F

square

#3D581B #1B5854 #361B58 #581B1F

split-complementary

#3D581B #1B1F58 #541B58

monochromatic

#101707 #1D290D #3D581B #5D8729 #7EB638

Accessibility & contrast

On white

8.05

#3D581B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3D581B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D581B

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D581B	#FFFFFF	#000000	##FFFFFF
##3D581B	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5113

Deuteranopia (green-blind)

#585020

Tritanopia (blue-blind)

#3F544B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3d581b;
/* rgb */ color: rgb(61, 88, 27);
/* oklch */ color: oklch(42.5% 0.093 130.0);

Tailwind

colors: {
  custom: {
    50: '#75875b',
    500: '#3d581b',
    950: '#000000',
  },
}

SCSS

$custom: #3d581b;
$custom-light: #75875b;
$custom-dark: #000000;

JSON

{
  "hex": "#3d581b",
  "rgb": {
    "r": 61,
    "g": 88,
    "b": 27
  },
  "hsl": {
    "h": 86.557,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.42458,
    "c": 0.09315,
    "h": 130
  },
  "luminance": 0.08051
}

Semantic roles & 50–950 ramp

primary

#3D581B

secondary

#63418E

accent

#4BDC8C

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#080B04

muted

#7B7C79

Preview Lab

Preview with #3D581B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →