#001F1B#001F1B

#001F1B is a very dark, muted teal. Relative luminance 0.011; OKLCH L 21.5% C 0.038 H 182.9°. Best body text is #FFFFFF at 17.33:1 contrast (WCAG AA passes).

Color values

HEX#001F1B
RGBrgb(0, 31, 27)
HSLhsl(172, 100%, 6%)
HSVhsv(172, 100%, 12%)
CMYKcmyk(100%, 0%, 12.9%, 87.8%)
CIE-LABlab(9.47, -12.66, -0.65)
CIE-LCHlch(9.47, 12.68, 182.93°)
OKLaboklab(21.48% -0.0382 -0.002)
OKLCHoklch(21.48% 0.038 182.9)
XYZxyz(0.6877, 1.0590, 1.2049)
Luminance0.0106 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#001F1B #1F0004
analogous
#001F0B #001F1B #00131F
triadic
#001F1B #1B001F #1F1B00
tetradic
#001F1B #0B001F #1F0004 #131F00
square
#001F1B #0B001F #1F0004 #131F00
split-complementary
#001F1B #1F0013 #1F0B00
monochromatic
#001F1B #001F1B #001F1B #005C50 #009986

Accessibility & contrast

On white

17.33
#001F1B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.21
#001F1B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001F1B
17.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##001F1B#FFFFFF#000000##FFFFFF
##001F1B1.0017.331.2117.33
#FFFFFF17.331.0021.001.00
#0000001.2121.001.0021.00
##FFFFFF17.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1D1C1B
Deuteranopia (green-blind)
#18191B
Tritanopia (blue-blind)
#00201E
Achromatopsia (no color)
#1A1A1A

Design tokens & code

CSS
--color: #001f1b;
/* rgb */ color: rgb(0, 31, 27);
/* oklch */ color: oklch(21.5% 0.038 182.9);
Tailwind
colors: {
  custom: {
    50: '#455a57',
    500: '#001f1b',
    950: '#000000',
  },
}
SCSS
$custom: #001f1b;
$custom-light: #455a57;
$custom-dark: #000000;
JSON
{
  "hex": "#001f1b",
  "rgb": {
    "r": 0,
    "g": 31,
    "b": 27
  },
  "hsl": {
    "h": 172.258,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.21484,
    "c": 0.03827,
    "h": 182.9
  },
  "luminance": 0.01059
}

Semantic roles & 50–950 ramp

primary
#001F1B
secondary
#68121E
accent
#2944FF
background
#F3F5F5
surface
#E5E9E9
border
#C1C5C5
text
#000403
muted
#767978

Preview Lab

Preview with #001F1B

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

Preview Lab → · Contrast checker → · Palette generator →

#001F1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva