#1B631D#1B631D

#1B631D is a dark, vivid green. Relative luminance 0.092; OKLCH L 44.0% C 0.125 H 143.4°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#1B631D
RGB	rgb(27, 99, 29)
HSL	hsl(122, 57%, 25%)
HSV	hsv(122, 73%, 39%)
CMYK	cmyk(72.7%, 0%, 70.7%, 61.2%)
CIE-LAB	lab(36.45, -37.06, 32.29)
CIE-LCH	lch(36.45, 49.15, 138.94°)
OKLab	oklab(43.99% -0.1005 0.0745)
OKLCH	oklch(43.99% 0.125 143.4)
XYZ	xyz(5.1353, 9.2449, 2.6760)
Luminance	0.0925 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B631D #631B61

analogous

#3D631B #1B631D #1B6341

triadic

#1B631D #1D1B63 #631D1B

tetradic

#1B631D #1B3D63 #631B61 #63411B

square

#1B631D #1B3D63 #631B61 #63411B

split-complementary

#1B631D #411B63 #631B3D

monochromatic

#071807 #0E330F #1B631D #28932B #35C339

Accessibility & contrast

On white

7.37

#1B631D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#1B631D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B631D

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B631D	#FFFFFF	#000000	##FFFFFF
##1B631D	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655914

Deuteranopia (green-blind)

#5D5323

Tritanopia (blue-blind)

#076055

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1b631d;
/* rgb */ color: rgb(27, 99, 29);
/* oklch */ color: oklch(44.0% 0.125 143.4);

Tailwind

colors: {
  custom: {
    50: '#63905d',
    500: '#1b631d',
    950: '#000000',
  },
}

SCSS

$custom: #1b631d;
$custom-light: #63905d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b631d",
  "rgb": {
    "r": 27,
    "g": 99,
    "b": 29
  },
  "hsl": {
    "h": 121.667,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.43991,
    "c": 0.12513,
    "h": 143.4
  },
  "luminance": 0.09245
}

Semantic roles & 50–950 ramp

primary

#1B631D

secondary

#984196

accent

#47DCE0

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060D04

muted

#7A7D79

Preview Lab

Preview with #1B631D

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

Preview Lab → · Contrast checker → · Palette generator →