#001B04#001B04

#001B04 is a very dark, muted green. Relative luminance 0.008; OKLCH L 19.3% C 0.058 H 146.7°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#001B04
RGB	rgb(0, 27, 4)
HSL	hsl(129, 100%, 5%)
HSV	hsv(129, 100%, 11%)
CMYK	cmyk(100%, 0%, 85.2%, 89.4%)
CIE-LAB	lab(7.16, -13.91, 8.83)
CIE-LCH	lch(7.16, 16.47, 147.60°)
OKLab	oklab(19.35% -0.0484 0.0318)
OKLCH	oklch(19.35% 0.058 146.7)
XYZ	xyz(0.4138, 0.7926, 0.2460)
Luminance	0.0079 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 14.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B04 #1B0017

analogous

#091B00 #001B04 #001B11

triadic

#001B04 #04001B #1B0400

tetradic

#001B04 #00091B #1B0017 #1B1100

square

#001B04 #00091B #1B0017 #1B1100

split-complementary

#001B04 #11001B #1B0009

monochromatic

#001F05 #001F05 #001F05 #00580D #009516

Accessibility & contrast

On white

18.13

#001B04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#001B04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B04

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B04	#FFFFFF	#000000	##FFFFFF
##001B04	1.00	18.13	1.16	18.13
#FFFFFF	18.13	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1702

Deuteranopia (green-blind)

#181505

Tritanopia (blue-blind)

#001A16

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #001b04;
/* rgb */ color: rgb(0, 27, 4);
/* oklch */ color: oklch(19.3% 0.058 146.7);

Tailwind

colors: {
  custom: {
    50: '#465748',
    500: '#001b04',
    950: '#000000',
  },
}

SCSS

$custom: #001b04;
$custom-light: #465748;
$custom-dark: #000000;

JSON

{
  "hex": "#001b04",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 4
  },
  "hsl": {
    "h": 128.889,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.19345,
    "c": 0.05791,
    "h": 146.7
  },
  "luminance": 0.00793
}

Semantic roles & 50–950 ramp

primary

#001B04

secondary

#651259

accent

#29DFFF

background

#F3F5F4

surface

#E5E9E6

border

#C1C5C2

text

#000300

muted

#777877

Preview Lab

Preview with #001B04

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

Preview Lab → · Contrast checker → · Palette generator →