#1B571C#1B571C

#1B571C is a dark, moderate green. Relative luminance 0.071; OKLCH L 40.4% C 0.110 H 143.5°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B571C
RGB	rgb(27, 87, 28)
HSL	hsl(121, 53%, 22%)
HSV	hsv(121, 69%, 34%)
CMYK	cmyk(69%, 0%, 67.8%, 65.9%)
CIE-LAB	lab(32.11, -32.44, 27.97)
CIE-LCH	lch(32.11, 42.83, 139.23°)
OKLab	oklab(40.39% -0.088 0.0653)
OKLCH	oklch(40.39% 0.11 143.5)
XYZ	xyz(4.0696, 7.1328, 2.2607)
Luminance	0.0713 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B571C #571B56

analogous

#38571B #1B571C #1B573A

triadic

#1B571C #1C1B57 #571C1B

tetradic

#1B571C #1B3857 #571B56 #573A1B

square

#1B571C #1B3857 #571B56 #573A1B

split-complementary

#1B571C #3A1B57 #571B38

monochromatic

#071708 #0D280D #1B571C #29862B #38B43A

Accessibility & contrast

On white

8.65

#1B571C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1B571C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B571C

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B571C	#FFFFFF	#000000	##FFFFFF
##1B571C	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F15

Deuteranopia (green-blind)

#524A21

Tritanopia (blue-blind)

#0E544B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1b571c;
/* rgb */ color: rgb(27, 87, 28);
/* oklch */ color: oklch(40.4% 0.110 143.5);

Tailwind

colors: {
  custom: {
    50: '#60875b',
    500: '#1b571c',
    950: '#000000',
  },
}

SCSS

$custom: #1b571c;
$custom-light: #60875b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b571c",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 28
  },
  "hsl": {
    "h": 121,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.40393,
    "c": 0.1096,
    "h": 143.5
  },
  "luminance": 0.07133
}

Semantic roles & 50–950 ramp

primary

#1B571C

secondary

#8D418C

accent

#4CDADC

background

#F5F8F5

surface

#EAEFE9

border

#C6CAC5

text

#050B04

muted

#797C79

Preview Lab

Preview with #1B571C

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

Preview Lab → · Contrast checker → · Palette generator →