#1F581E#1F581E

#1F581E is a dark, moderate green. Relative luminance 0.074; OKLCH L 40.9% C 0.107 H 143.0°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#1F581E
RGB	rgb(31, 88, 30)
HSL	hsl(119, 49%, 23%)
HSV	hsv(119, 66%, 35%)
CMYK	cmyk(64.8%, 0%, 65.9%, 65.5%)
CIE-LAB	lab(32.62, -31.57, 27.57)
CIE-LCH	lch(32.62, 41.91, 138.87°)
OKLab	oklab(40.86% -0.0858 0.0646)
OKLCH	oklch(40.86% 0.107 143)
XYZ	xyz(4.2889, 7.3641, 2.4234)
Luminance	0.0736 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F581E #571E58

analogous

#3C581E #1F581E #1E583A

triadic

#1F581E #1E1F58 #581E1F

tetradic

#1F581E #1E3C58 #571E58 #583A1E

square

#1F581E #1E3C58 #571E58 #583A1E

split-complementary

#1F581E #3A1E58 #581E3C

monochromatic

#081708 #0F2A0E #1F581E #2F862E #3FB33D

Accessibility & contrast

On white

8.49

#1F581E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1F581E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F581E

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F581E	#FFFFFF	#000000	##FFFFFF
##1F581E	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5018

Deuteranopia (green-blind)

#534B23

Tritanopia (blue-blind)

#15554C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f581e;
/* rgb */ color: rgb(31, 88, 30);
/* oklch */ color: oklch(40.9% 0.107 143.0);

Tailwind

colors: {
  custom: {
    50: '#62885c',
    500: '#1f581e',
    950: '#000000',
  },
}

SCSS

$custom: #1f581e;
$custom-light: #62885c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f581e",
  "rgb": {
    "r": 31,
    "g": 88,
    "b": 30
  },
  "hsl": {
    "h": 118.966,
    "s": 49.153,
    "l": 23.137
  },
  "oklch": {
    "l": 0.40861,
    "c": 0.10742,
    "h": 143
  },
  "luminance": 0.07364
}

Semantic roles & 50–950 ramp

primary

#1F581E

secondary

#8C458D

accent

#4FD9D6

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#050B04

muted

#7A7C79

Preview Lab

Preview with #1F581E

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

Preview Lab → · Contrast checker → · Palette generator →