#001B03#001B03

#001B03 is a very dark, muted green. Relative luminance 0.008; OKLCH L 19.3% C 0.060 H 145.6°. Best body text is #FFFFFF at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#001B03
RGB	rgb(0, 27, 3)
HSL	hsl(127, 100%, 5%)
HSV	hsv(127, 100%, 11%)
CMYK	cmyk(100%, 0%, 88.9%, 89.4%)
CIE-LAB	lab(7.14, -14.05, 9.20)
CIE-LCH	lch(7.14, 16.79, 146.77°)
OKLab	oklab(19.32% -0.0492 0.0337)
OKLCH	oklch(19.32% 0.06 145.6)
XYZ	xyz(0.4083, 0.7904, 0.2172)
Luminance	0.0079 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 14.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B03 #1B0018

analogous

#0A1B00 #001B03 #001B10

triadic

#001B03 #03001B #1B0300

tetradic

#001B03 #000A1B #1B0018 #1B1000

square

#001B03 #000A1B #1B0018 #1B1000

split-complementary

#001B03 #10001B #1B000A

monochromatic

#001F03 #001F03 #001F03 #00580A #009511

Accessibility & contrast

On white

18.13

#001B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#001B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B03

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B03	#FFFFFF	#000000	##FFFFFF
##001B03	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)

#1C1701

Deuteranopia (green-blind)

#181504

Tritanopia (blue-blind)

#001A16

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #001b03;
/* rgb */ color: rgb(0, 27, 3);
/* oklch */ color: oklch(19.3% 0.060 145.6);

Tailwind

colors: {
  custom: {
    50: '#465748',
    500: '#001b03',
    950: '#000000',
  },
}

SCSS

$custom: #001b03;
$custom-light: #465748;
$custom-dark: #000000;

JSON

{
  "hex": "#001b03",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 3
  },
  "hsl": {
    "h": 126.667,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.1932,
    "c": 0.05965,
    "h": 145.6
  },
  "luminance": 0.0079
}

Semantic roles & 50–950 ramp

primary

#001B03

secondary

#65125C

accent

#29E7FF

background

#F3F5F4

surface

#E5E9E6

border

#C1C5C2

text

#000300

muted

#777877

Preview Lab

Preview with #001B03

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

Preview Lab → · Contrast checker → · Palette generator →