#1B541B#1B541B

#1B541B is a dark, moderate green. Relative luminance 0.067; OKLCH L 39.5% C 0.106 H 143.2°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#1B541B
RGB	rgb(27, 84, 27)
HSL	hsl(120, 51%, 22%)
HSV	hsv(120, 68%, 33%)
CMYK	cmyk(67.9%, 0%, 67.9%, 67.1%)
CIE-LAB	lab(31.00, -31.33, 27.24)
CIE-LCH	lch(31.00, 41.51, 138.99°)
OKLab	oklab(39.48% -0.0851 0.0636)
OKLCH	oklch(39.48% 0.106 143.2)
XYZ	xyz(3.8199, 6.6524, 2.1194)
Luminance	0.0665 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B541B #541B54

analogous

#38541B #1B541B #1B5438

triadic

#1B541B #1B1B54 #541B1B

tetradic

#1B541B #1B3854 #541B54 #54381B

square

#1B541B #1B3854 #541B54 #54381B

split-complementary

#1B541B #381B54 #541B38

monochromatic

#071707 #0C260C #1B541B #2A822A #39B139

Accessibility & contrast

On white

9.01

#1B541B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1B541B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B541B

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B541B	#FFFFFF	#000000	##FFFFFF
##1B541B	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C14

Deuteranopia (green-blind)

#4F4720

Tritanopia (blue-blind)

#105148

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1b541b;
/* rgb */ color: rgb(27, 84, 27);
/* oklch */ color: oklch(39.5% 0.106 143.2);

Tailwind

colors: {
  custom: {
    50: '#5f855a',
    500: '#1b541b',
    950: '#000000',
  },
}

SCSS

$custom: #1b541b;
$custom-light: #5f855a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b541b",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 27
  },
  "hsl": {
    "h": 120,
    "s": 51.351,
    "l": 21.765
  },
  "oklch": {
    "l": 0.39476,
    "c": 0.10622,
    "h": 143.2
  },
  "luminance": 0.06653
}

Semantic roles & 50–950 ramp

primary

#1B541B

secondary

#8A418A

accent

#4DDBDB

background

#F5F8F5

surface

#EAEFE9

border

#C6CAC5

text

#050B04

muted

#797C79

Preview Lab

Preview with #1B541B

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

Preview Lab → · Contrast checker → · Palette generator →