#1B400D#1B400D

#1B400D is a dark, moderate green. Relative luminance 0.039; OKLCH L 33.2% C 0.089 H 138.5°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B400D
RGB	rgb(27, 64, 13)
HSL	hsl(104, 66%, 15%)
HSV	hsv(104, 80%, 25%)
CMYK	cmyk(57.8%, 0%, 79.7%, 74.9%)
CIE-LAB	lab(23.43, -24.15, 25.90)
CIE-LCH	lch(23.43, 35.41, 132.99°)
OKLab	oklab(33.19% -0.0666 0.0589)
OKLCH	oklch(33.19% 0.089 138.5)
XYZ	xyz(2.3580, 3.9287, 1.0148)
Luminance	0.0393 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B400D #320D40

analogous

#35400D #1B400D #0D4018

triadic

#1B400D #0D1B40 #400D1B

tetradic

#1B400D #0D3540 #320D40 #40180D

square

#1B400D #0D3540 #320D40 #40180D

split-complementary

#1B400D #180D40 #400D35

monochromatic

#0B1905 #0B1905 #1B400D #307317 #46A622

Accessibility & contrast

On white

11.76

#1B400D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1B400D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B400D

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B400D	#FFFFFF	#000000	##FFFFFF
##1B400D	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A06

Deuteranopia (green-blind)

#3D3712

Tritanopia (blue-blind)

#183E36

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1b400d;
/* rgb */ color: rgb(27, 64, 13);
/* oklch */ color: oklch(33.2% 0.089 138.5);

Tailwind

colors: {
  custom: {
    50: '#5c754f',
    500: '#1b400d',
    950: '#000000',
  },
}

SCSS

$custom: #1b400d;
$custom-light: #5c754f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b400d",
  "rgb": {
    "r": 27,
    "g": 64,
    "b": 13
  },
  "hsl": {
    "h": 103.529,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.3319,
    "c": 0.0889,
    "h": 138.5
  },
  "luminance": 0.03929
}

Semantic roles & 50–950 ramp

primary

#1B400D

secondary

#662D7C

accent

#3FE9BA

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#040802

muted

#797B78

Preview Lab

Preview with #1B400D

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

Preview Lab → · Contrast checker → · Palette generator →