#0A131B#0A131B

#0A131B is a very dark, muted cyan. Relative luminance 0.006; OKLCH L 18.2% C 0.021 H 246.1°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX#0A131B
RGBrgb(10, 19, 27)
HSLhsl(208, 46%, 7%)
HSVhsv(208, 63%, 11%)
CMYKcmyk(63%, 29.6%, 0%, 89.4%)
CIE-LABlab(5.50, -0.96, -6.48)
CIE-LCHlch(5.50, 6.55, 261.58°)
OKLaboklab(18.21% -0.0086 -0.0195)
OKLCHoklch(18.21% 0.021 246.1)
XYZxyz(0.5558, 0.6094, 1.1250)
Luminance0.0061 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A131B #1B120A
analogous
#0A1B1B #0A131B #0A0B1B
triadic
#0A131B #1B0A13 #131B0A
tetradic
#0A131B #1B0A1B #1B120A #0B1B0A
square
#0A131B #1B0A1B #1B120A #0B1B0A
split-complementary
#0A131B #1B0A0B #1B1B0A
monochromatic
#081016 #081016 #0A131B #1B3248 #2B5274

Accessibility & contrast

On white

18.72
#0A131B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.12
#0A131B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A131B
18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A131B#FFFFFF#000000##FFFFFF
##0A131B1.0018.721.1218.72
#FFFFFF18.721.0021.001.00
#0000001.1221.001.0021.00
##FFFFFF18.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#10131B
Deuteranopia (green-blind)
#0E111B
Tritanopia (blue-blind)
#041516
Achromatopsia (no color)
#121212

Design tokens & code

CSS
--color: #0a131b;
/* rgb */ color: rgb(10, 19, 27);
/* oklch */ color: oklch(18.2% 0.021 246.1);
Tailwind
colors: {
  custom: {
    50: '#4b5057',
    500: '#0a131b',
    950: '#000000',
  },
}
SCSS
$custom: #0a131b;
$custom-light: #4b5057;
$custom-dark: #000000;
JSON
{
  "hex": "#0a131b",
  "rgb": {
    "r": 10,
    "g": 19,
    "b": 27
  },
  "hsl": {
    "h": 208.235,
    "s": 45.946,
    "l": 7.255
  },
  "oklch": {
    "l": 0.18207,
    "c": 0.02136,
    "h": 246.1
  },
  "luminance": 0.00609
}

Semantic roles & 50–950 ramp

primary
#0A131B
secondary
#553F2C
accent
#9052D6
background
#F4F4F5
surface
#E7E7E9
border
#C3C3C5
text
#010203
muted
#777878

Preview Lab

Preview with #0A131B

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

Preview Lab → · Contrast checker → · Palette generator →

#0A131B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva