#001B0A#001B0A

#001B0A is a very dark, muted green. Relative luminance 0.008; OKLCH L 19.5% C 0.049 H 154.0°. Best body text is #FFFFFF at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#001B0A
RGB	rgb(0, 27, 10)
HSL	hsl(142, 100%, 5%)
HSV	hsv(142, 100%, 11%)
CMYK	cmyk(100%, 0%, 63%, 89.4%)
CIE-LAB	lab(7.28, -13.07, 6.55)
CIE-LCH	lch(7.28, 14.62, 153.37°)
OKLab	oklab(19.49% -0.0442 0.0216)
OKLCH	oklch(19.49% 0.049 154)
XYZ	xyz(0.4467, 0.8057, 0.4191)
Luminance	0.0081 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B0A #1B0011

analogous

#041B00 #001B0A #001B17

triadic

#001B0A #0A001B #1B0A00

tetradic

#001B0A #00041B #1B0011 #1B1700

square

#001B0A #00041B #1B0011 #1B1700

split-complementary

#001B0A #17001B #1B0004

monochromatic

#001F0B #001F0B #001F0B #005821 #009537

Accessibility & contrast

On white

18.08

#001B0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#001B0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B0A

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B0A	#FFFFFF	#000000	##FFFFFF
##001B0A	1.00	18.08	1.16	18.08
#FFFFFF	18.08	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1809

Deuteranopia (green-blind)

#17150B

Tritanopia (blue-blind)

#001B17

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #001b0a;
/* rgb */ color: rgb(0, 27, 10);
/* oklch */ color: oklch(19.5% 0.049 154.0);

Tailwind

colors: {
  custom: {
    50: '#46574b',
    500: '#001b0a',
    950: '#000000',
  },
}

SCSS

$custom: #001b0a;
$custom-light: #46574b;
$custom-dark: #000000;

JSON

{
  "hex": "#001b0a",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 10
  },
  "hsl": {
    "h": 142.222,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.19492,
    "c": 0.04919,
    "h": 154
  },
  "luminance": 0.00806
}

Semantic roles & 50–950 ramp

primary

#001B0A

secondary

#651246

accent

#29B0FF

background

#F3F5F4

surface

#E5E9E7

border

#C1C5C3

text

#000301

muted

#767877

Preview Lab

Preview with #001B0A

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

Preview Lab → · Contrast checker → · Palette generator →