#0A2C3A#0A2C3A

#0A2C3A is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.6% C 0.046 H 229.4°. Best body text is #FFFFFF at 14.64:1 contrast (WCAG AA passes).

Color values

HEX	#0A2C3A
RGB	rgb(10, 44, 58)
HSL	hsl(198, 71%, 13%)
HSV	hsv(198, 83%, 23%)
CMYK	cmyk(82.8%, 24.1%, 0%, 77.3%)
CIE-LAB	lab(16.36, -6.48, -12.45)
CIE-LCH	lch(16.36, 14.04, 242.52°)
OKLab	oklab(27.62% -0.0299 -0.0349)
OKLCH	oklch(27.62% 0.046 229.4)
XYZ	xyz(1.7893, 2.1712, 4.3269)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2C3A #3A180A

analogous

#0A3A30 #0A2C3A #0A143A

triadic

#0A2C3A #3A0A2C #2C3A0A

tetradic

#0A2C3A #300A3A #3A180A #143A0A

square

#0A2C3A #300A3A #3A180A #143A0A

split-complementary

#0A2C3A #3A0A14 #3A300A

monochromatic

#05141A #05141A #0A2C3A #13546E #1C7BA2

Accessibility & contrast

On white

14.64

#0A2C3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0A2C3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2C3A

14.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2C3A	#FFFFFF	#000000	##FFFFFF
##0A2C3A	1.00	14.64	1.43	14.64
#FFFFFF	14.64	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252B3B

Deuteranopia (green-blind)

#1E263A

Tritanopia (blue-blind)

#003031

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0a2c3a;
/* rgb */ color: rgb(10, 44, 58);
/* oklch */ color: oklch(27.6% 0.046 229.4);

Tailwind

colors: {
  custom: {
    50: '#516570',
    500: '#0a2c3a',
    950: '#000000',
  },
}

SCSS

$custom: #0a2c3a;
$custom-light: #516570;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2c3a",
  "rgb": {
    "r": 10,
    "g": 44,
    "b": 58
  },
  "hsl": {
    "h": 197.5,
    "s": 70.588,
    "l": 13.333
  },
  "oklch": {
    "l": 0.27621,
    "c": 0.04601,
    "h": 229.4
  },
  "luminance": 0.02171
}

Semantic roles & 50–950 ramp

primary

#0A2C3A

secondary

#773F28

accent

#6F3AED

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020507

muted

#787A7A

Preview Lab

Preview with #0A2C3A

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

Preview Lab → · Contrast checker → · Palette generator →