#1F581A#1F581A

#1F581A is a dark, moderate green. Relative luminance 0.073; OKLCH L 40.8% C 0.111 H 142.0°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#1F581A
RGB	rgb(31, 88, 26)
HSL	hsl(115, 54%, 22%)
HSV	hsv(115, 70%, 35%)
CMYK	cmyk(64.8%, 0%, 70.5%, 65.5%)
CIE-LAB	lab(32.58, -32.05, 29.52)
CIE-LCH	lch(32.58, 43.58, 137.35°)
OKLab	oklab(40.81% -0.0874 0.0683)
OKLCH	oklch(40.81% 0.111 142)
XYZ	xyz(4.2410, 7.3449, 2.1713)
Luminance	0.0735 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F581A #531A58

analogous

#3E581A #1F581A #1A5834

triadic

#1F581A #1A1F58 #581A1F

tetradic

#1F581A #1A3E58 #531A58 #58341A

square

#1F581A #1A3E58 #531A58 #58341A

split-complementary

#1F581A #341A58 #581A3E

monochromatic

#081807 #0E290C #1F581A #308728 #40B636

Accessibility & contrast

On white

8.51

#1F581A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1F581A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F581A

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F581A	#FFFFFF	#000000	##FFFFFF
##1F581A	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5012

Deuteranopia (green-blind)

#534B1F

Tritanopia (blue-blind)

#16554B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f581a;
/* rgb */ color: rgb(31, 88, 26);
/* oklch */ color: oklch(40.8% 0.111 142.0);

Tailwind

colors: {
  custom: {
    50: '#62885a',
    500: '#1f581a',
    950: '#000000',
  },
}

SCSS

$custom: #1f581a;
$custom-light: #62885a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f581a",
  "rgb": {
    "r": 31,
    "g": 88,
    "b": 26
  },
  "hsl": {
    "h": 115.161,
    "s": 54.386,
    "l": 22.353
  },
  "oklch": {
    "l": 0.40813,
    "c": 0.11089,
    "h": 142
  },
  "luminance": 0.07345
}

Semantic roles & 50–950 ramp

primary

#1F581A

secondary

#88408E

accent

#4ADED2

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060B04

muted

#7A7C79

Preview Lab

Preview with #1F581A

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

Preview Lab → · Contrast checker → · Palette generator →