#1B641C#1B641C

#1B641C is a dark, vivid green. Relative luminance 0.094; OKLCH L 44.3% C 0.127 H 143.2°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#1B641C
RGB	rgb(27, 100, 28)
HSL	hsl(121, 57%, 25%)
HSV	hsv(121, 73%, 39%)
CMYK	cmyk(73%, 0%, 72%, 60.8%)
CIE-LAB	lab(36.80, -37.55, 33.12)
CIE-LCH	lch(36.80, 50.07, 138.59°)
OKLab	oklab(44.28% -0.1019 0.0762)
OKLCH	oklch(44.28% 0.127 143.2)
XYZ	xyz(5.2185, 9.4306, 2.6437)
Luminance	0.0943 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B641C #641B63

analogous

#3F641B #1B641C #1B6441

triadic

#1B641C #1C1B64 #641C1B

tetradic

#1B641C #1B3F64 #641B63 #64411B

square

#1B641C #1B3F64 #641B63 #64411B

split-complementary

#1B641C #411B64 #641B3F

monochromatic

#071807 #0E340F #1B641C #289429 #35C437

Accessibility & contrast

On white

7.28

#1B641C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1B641C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B641C

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B641C	#FFFFFF	#000000	##FFFFFF
##1B641C	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A12

Deuteranopia (green-blind)

#5E5423

Tritanopia (blue-blind)

#066155

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b641c;
/* rgb */ color: rgb(27, 100, 28);
/* oklch */ color: oklch(44.3% 0.127 143.2);

Tailwind

colors: {
  custom: {
    50: '#63915c',
    500: '#1b641c',
    950: '#000000',
  },
}

SCSS

$custom: #1b641c;
$custom-light: #63915c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b641c",
  "rgb": {
    "r": 27,
    "g": 100,
    "b": 28
  },
  "hsl": {
    "h": 120.822,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.44277,
    "c": 0.12722,
    "h": 143.2
  },
  "luminance": 0.09431
}

Semantic roles & 50–950 ramp

primary

#1B641C

secondary

#994198

accent

#47DFE1

background

#F6F9F5

surface

#EBF1E9

border

#C6CBC5

text

#060D04

muted

#7A7E79

Preview Lab

Preview with #1B641C

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

Preview Lab → · Contrast checker → · Palette generator →