#0A2A3C#0A2A3C

#0A2A3C is a dark, muted cyan. Relative luminance 0.020; OKLCH L 27.2% C 0.050 H 237.5°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#0A2A3C
RGB	rgb(10, 42, 60)
HSL	hsl(202, 71%, 14%)
HSV	hsv(202, 83%, 24%)
CMYK	cmyk(83.3%, 30%, 0%, 76.5%)
CIE-LAB	lab(15.73, -4.27, -14.83)
CIE-LCH	lch(15.73, 15.43, 253.92°)
OKLab	oklab(27.15% -0.0266 -0.0418)
OKLCH	oklch(27.15% 0.05 237.5)
XYZ	xyz(1.7684, 2.0465, 4.5759)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2A3C #3C1C0A

analogous

#0A3C35 #0A2A3C #0A113C

triadic

#0A2A3C #3C0A2A #2A3C0A

tetradic

#0A2A3C #350A3C #3C1C0A #113C0A

square

#0A2A3C #350A3C #3C1C0A #113C0A

split-complementary

#0A2A3C #3C0A11 #3C350A

monochromatic

#04121A #04121A #0A2A3C #134F70 #1B73A5

Accessibility & contrast

On white

14.90

#0A2A3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0A2A3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2A3C

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2A3C	#FFFFFF	#000000	##FFFFFF
##0A2A3C	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212A3D

Deuteranopia (green-blind)

#1B253C

Tritanopia (blue-blind)

#002F30

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0a2a3c;
/* rgb */ color: rgb(10, 42, 60);
/* oklch */ color: oklch(27.2% 0.050 237.5);

Tailwind

colors: {
  custom: {
    50: '#516371',
    500: '#0a2a3c',
    950: '#000000',
  },
}

SCSS

$custom: #0a2a3c;
$custom-light: #516371;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2a3c",
  "rgb": {
    "r": 10,
    "g": 42,
    "b": 60
  },
  "hsl": {
    "h": 201.6,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.27153,
    "c": 0.04958,
    "h": 237.5
  },
  "luminance": 0.02047
}

Semantic roles & 50–950 ramp

primary

#0A2A3C

secondary

#794628

accent

#7B3AEE

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0A2A3C

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

Preview Lab → · Contrast checker → · Palette generator →