#001B05#001B05

#001B05 is a very dark, muted green. Relative luminance 0.008; OKLCH L 19.4% C 0.056 H 147.9°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX#001B05
RGBrgb(0, 27, 5)
HSLhsl(131, 100%, 5%)
HSVhsv(131, 100%, 11%)
CMYKcmyk(100%, 0%, 81.5%, 89.4%)
CIE-LABlab(7.18, -13.77, 8.45)
CIE-LCHlch(7.18, 16.15, 148.47°)
OKLaboklab(19.37% -0.0476 0.0299)
OKLCHoklch(19.37% 0.056 147.9)
XYZxyz(0.4193, 0.7948, 0.2749)
Luminance0.0080 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#001B05 #1B0016
analogous
#081B00 #001B05 #001B12
triadic
#001B05 #05001B #1B0500
tetradic
#001B05 #00081B #1B0016 #1B1200
square
#001B05 #00081B #1B0016 #1B1200
split-complementary
#001B05 #12001B #1B0008
monochromatic
#001F06 #001F06 #001F06 #005810 #00951C

Accessibility & contrast

On white

18.12
#001B05 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.16
#001B05 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B05
18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##001B05#FFFFFF#000000##FFFFFF
##001B051.0018.121.1618.12
#FFFFFF18.121.0021.001.00
#0000001.1621.001.0021.00
##FFFFFF18.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1B1704
Deuteranopia (green-blind)
#181506
Tritanopia (blue-blind)
#001A16
Achromatopsia (no color)
#161616

Design tokens & code

CSS
--color: #001b05;
/* rgb */ color: rgb(0, 27, 5);
/* oklch */ color: oklch(19.4% 0.056 147.9);
Tailwind
colors: {
  custom: {
    50: '#465749',
    500: '#001b05',
    950: '#000000',
  },
}
SCSS
$custom: #001b05;
$custom-light: #465749;
$custom-dark: #000000;
JSON
{
  "hex": "#001b05",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 5
  },
  "hsl": {
    "h": 131.111,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.19369,
    "c": 0.05626,
    "h": 147.9
  },
  "luminance": 0.00795
}

Semantic roles & 50–950 ramp

primary
#001B05
secondary
#651256
accent
#29D7FF
background
#F3F5F4
surface
#E5E9E6
border
#C1C5C2
text
#000300
muted
#777877

Preview Lab

Preview with #001B05

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

Preview Lab → · Contrast checker → · Palette generator →

#001B05 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva