#0A1A2D#0A1A2D

#0A1A2D is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.5% C 0.044 H 253.9°. Best body text is #FFFFFF at 17.52:1 contrast (WCAG AA passes).

Color values

HEX#0A1A2D
RGBrgb(10, 26, 45)
HSLhsl(213, 64%, 11%)
HSVhsv(213, 78%, 18%)
CMYKcmyk(77.8%, 42.2%, 0%, 82.4%)
CIE-LABlab(8.93, 0.92, -14.78)
CIE-LCHlch(8.93, 14.81, 273.58°)
OKLaboklab(21.5% -0.012 -0.0419)
OKLCHoklch(21.5% 0.044 253.9)
XYZxyz(0.9681, 0.9927, 2.6227)
Luminance0.0099 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A1A2D #2D1D0A
analogous
#0A2B2D #0A1A2D #0B0A2D
triadic
#0A1A2D #2D0A1A #1A2D0A
tetradic
#0A1A2D #2D0A2B #2D1D0A #0A2D0B
square
#0A1A2D #2D0A2B #2D1D0A #0A2D0B
split-complementary
#0A1A2D #2D0B0A #2B2D0A
monochromatic
#060E19 #060E19 #0A1A2D #15375F #205491

Accessibility & contrast

On white

17.52
#0A1A2D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.20
#0A1A2D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1A2D
17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A1A2D#FFFFFF#000000##FFFFFF
##0A1A2D1.0017.521.2017.52
#FFFFFF17.521.0021.001.00
#0000001.2021.001.0021.00
##FFFFFF17.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#121B2E
Deuteranopia (green-blind)
#0D182D
Tritanopia (blue-blind)
#001E21
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #0a1a2d;
/* rgb */ color: rgb(10, 26, 45);
/* oklch */ color: oklch(21.5% 0.044 253.9);
Tailwind
colors: {
  custom: {
    50: '#4d5666',
    500: '#0a1a2d',
    950: '#000000',
  },
}
SCSS
$custom: #0a1a2d;
$custom-light: #4d5666;
$custom-dark: #000000;
JSON
{
  "hex": "#0a1a2d",
  "rgb": {
    "r": 10,
    "g": 26,
    "b": 45
  },
  "hsl": {
    "h": 212.571,
    "s": 63.636,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21498,
    "c": 0.04356,
    "h": 253.9
  },
  "luminance": 0.00993
}

Semantic roles & 50–950 ramp

primary
#0A1A2D
secondary
#6A4C29
accent
#9B41E7
background
#F4F5F6
surface
#E7E8EB
border
#C3C4C6
text
#010305
muted
#77787A

Preview Lab

Preview with #0A1A2D

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

Preview Lab → · Contrast checker → · Palette generator →

#0A1A2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva