#1B5310#1B5310

#1B5310 is a dark, moderate green. Relative luminance 0.065; OKLCH L 39.1% C 0.113 H 140.8°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#1B5310
RGB	rgb(27, 83, 16)
HSL	hsl(110, 68%, 19%)
HSV	hsv(110, 81%, 33%)
CMYK	cmyk(67.5%, 0%, 80.7%, 67.5%)
CIE-LAB	lab(30.54, -32.07, 31.82)
CIE-LCH	lch(30.54, 45.18, 135.23°)
OKLab	oklab(39.06% -0.0878 0.0717)
OKLCH	oklch(39.06% 0.113 140.8)
XYZ	xyz(3.6386, 6.4566, 1.5446)
Luminance	0.0646 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Forest Green (survey)

#06470C

ΔE00 4.16

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5310 #481053

analogous

#3D5310 #1B5310 #105327

triadic

#1B5310 #101B53 #53101B

tetradic

#1B5310 #103D53 #481053 #532710

square

#1B5310 #103D53 #481053 #532710

split-complementary

#1B5310 #271053 #53103D

monochromatic

#081A05 #0A2006 #1B5310 #2C861A #3CBA24

Accessibility & contrast

On white

9.16

#1B5310 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1B5310 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5310

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5310	#FFFFFF	#000000	##FFFFFF
##1B5310	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B04

Deuteranopia (green-blind)

#4F4617

Tritanopia (blue-blind)

#125046

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b5310;
/* rgb */ color: rgb(27, 83, 16);
/* oklch */ color: oklch(39.1% 0.113 140.8);

Tailwind

colors: {
  custom: {
    50: '#608453',
    500: '#1b5310',
    950: '#000000',
  },
}

SCSS

$custom: #1b5310;
$custom-light: #608453;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5310",
  "rgb": {
    "r": 27,
    "g": 83,
    "b": 16
  },
  "hsl": {
    "h": 110.149,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.39059,
    "c": 0.11336,
    "h": 140.8
  },
  "luminance": 0.06457
}

Semantic roles & 50–950 ramp

primary

#1B5310

secondary

#7E328D

accent

#3DEBCE

background

#F5F8F4

surface

#EAEFE8

border

#C6CAC4

text

#050B03

muted

#797C78

Preview Lab

Preview with #1B5310

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

Preview Lab → · Contrast checker → · Palette generator →