#011121#011121

#011121 is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 17.2% C 0.042 H 246.8°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX#011121
RGBrgb(1, 17, 33)
HSLhsl(210, 94%, 7%)
HSVhsv(210, 97%, 13%)
CMYKcmyk(97%, 48.5%, 0%, 87.1%)
CIE-LABlab(4.67, -0.17, -12.44)
CIE-LCHlch(4.67, 12.44, 269.23°)
OKLaboklab(17.25% -0.0165 -0.0385)
OKLCHoklch(17.25% 0.042 246.8)
XYZxyz(0.4874, 0.5171, 1.5127)
Luminance0.0052 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#011121 #211101
analogous
#012121 #011121 #010121
triadic
#011121 #210111 #112101
tetradic
#011121 #210121 #211101 #012101
square
#011121 #210121 #211101 #012101
split-complementary
#011121 #210101 #212101
monochromatic
#010F1E #010F1E #011121 #03305C #054E98

Accessibility & contrast

On white

19.03
#011121 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.10
#011121 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011121
19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##011121#FFFFFF#000000##FFFFFF
##0111211.0019.031.1019.03
#FFFFFF19.031.0021.001.00
#0000001.1021.001.0021.00
##FFFFFF19.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#091222
Deuteranopia (green-blind)
#050E21
Tritanopia (blue-blind)
#001517
Achromatopsia (no color)
#101010

Design tokens & code

CSS
--color: #011121;
/* rgb */ color: rgb(1, 17, 33);
/* oklch */ color: oklch(17.2% 0.042 246.8);
Tailwind
colors: {
  custom: {
    50: '#464f5c',
    500: '#011121',
    950: '#000000',
  },
}
SCSS
$custom: #011121;
$custom-light: #464f5c;
$custom-dark: #000000;
JSON
{
  "hex": "#011121",
  "rgb": {
    "r": 1,
    "g": 17,
    "b": 33
  },
  "hsl": {
    "h": 210,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.17246,
    "c": 0.0419,
    "h": 246.8
  },
  "luminance": 0.00517
}

Semantic roles & 50–950 ramp

primary
#011121
secondary
#683F15
accent
#9429FF
background
#F4F4F5
surface
#E6E7E9
border
#C2C3C5
text
#000104
muted
#777779

Preview Lab

Preview with #011121

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

Preview Lab → · Contrast checker → · Palette generator →

#011121 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva