#1B641D#1B641D

#1B641D is a dark, vivid green. Relative luminance 0.094; OKLCH L 44.3% C 0.126 H 143.4°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#1B641D
RGB	rgb(27, 100, 29)
HSL	hsl(122, 57%, 25%)
HSV	hsv(122, 73%, 39%)
CMYK	cmyk(73%, 0%, 71%, 60.8%)
CIE-LAB	lab(36.81, -37.44, 32.67)
CIE-LCH	lch(36.81, 49.70, 138.89°)
OKLab	oklab(44.29% -0.1016 0.0753)
OKLCH	oklch(44.29% 0.126 143.4)
XYZ	xyz(5.2306, 9.4355, 2.7077)
Luminance	0.0944 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B641D #641B62

analogous

#3D641B #1B641D #1B6442

triadic

#1B641D #1D1B64 #641D1B

tetradic

#1B641D #1B3D64 #641B62 #64421B

square

#1B641D #1B3D64 #641B62 #64421B

split-complementary

#1B641D #421B64 #641B3D

monochromatic

#071807 #0E340F #1B641D #28942B #35C439

Accessibility & contrast

On white

7.27

#1B641D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1B641D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B641D

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B641D	#FFFFFF	#000000	##FFFFFF
##1B641D	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A13

Deuteranopia (green-blind)

#5E5424

Tritanopia (blue-blind)

#066155

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b641d;
/* rgb */ color: rgb(27, 100, 29);
/* oklch */ color: oklch(44.3% 0.126 143.4);

Tailwind

colors: {
  custom: {
    50: '#63915d',
    500: '#1b641d',
    950: '#000000',
  },
}

SCSS

$custom: #1b641d;
$custom-light: #63915d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b641d",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 29
  },
  "hsl": {
    "h": 121.644,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.44288,
    "c": 0.12645,
    "h": 143.4
  },
  "luminance": 0.09436
}

Semantic roles & 50–950 ramp

primary

#1B641D

secondary

#994197

accent

#47DDE1

background

#F6F9F5

surface

#EBF1E9

border

#C6CBC5

text

#060D04

muted

#7A7E79

Preview Lab

Preview with #1B641D

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

Preview Lab → · Contrast checker → · Palette generator →