#01101B#01101B

#01101B is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 16.5% C 0.034 H 238.1°. Best body text is #FFFFFF at 19.24:1 contrast (WCAG AA passes).

Color values

HEX#01101B
RGBrgb(1, 16, 27)
HSLhsl(205, 93%, 5%)
HSVhsv(205, 96%, 11%)
CMYKcmyk(96.3%, 40.7%, 0%, 89.4%)
CIE-LABlab(4.12, -1.55, -8.60)
CIE-LCHlch(4.12, 8.74, 259.76°)
OKLaboklab(16.46% -0.0178 -0.0287)
OKLCHoklch(16.46% 0.034 238.1)
XYZxyz(0.3956, 0.4561, 1.1039)
Luminance0.0046 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#01101B #1B0C01
analogous
#011B19 #01101B #01031B
triadic
#01101B #1B0110 #101B01
tetradic
#01101B #19011B #1B0C01 #031B01
square
#01101B #19011B #1B0C01 #031B01
split-complementary
#01101B #1B0103 #1B1901
monochromatic
#01111E #01111E #01111E #033356 #055691

Accessibility & contrast

On white

19.24
#01101B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.09
#01101B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01101B
19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##01101B#FFFFFF#000000##FFFFFF
##01101B1.0019.241.0919.24
#FFFFFF19.241.0021.001.00
#0000001.0921.001.0021.00
##FFFFFF19.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0B101B
Deuteranopia (green-blind)
#070D1B
Tritanopia (blue-blind)
#001314
Achromatopsia (no color)
#0E0E0E

Design tokens & code

CSS
--color: #01101b;
/* rgb */ color: rgb(1, 16, 27);
/* oklch */ color: oklch(16.5% 0.034 238.1);
Tailwind
colors: {
  custom: {
    50: '#464e57',
    500: '#01101b',
    950: '#000000',
  },
}
SCSS
$custom: #01101b;
$custom-light: #464e57;
$custom-dark: #000000;
JSON
{
  "hex": "#01101b",
  "rgb": {
    "r": 1,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 205.385,
    "s": 92.857,
    "l": 5.49
  },
  "oklch": {
    "l": 0.16461,
    "c": 0.03374,
    "h": 238.1
  },
  "luminance": 0.00456
}

Semantic roles & 50–950 ramp

primary
#01101B
secondary
#633615
accent
#8329FF
background
#F3F4F5
surface
#E5E7E9
border
#C1C3C5
text
#000103
muted
#767778

Preview Lab

Preview with #01101B

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

Preview Lab → · Contrast checker → · Palette generator →

#01101B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva