#0C284A#0C284A

#0C284A is a dark, moderate cyan. Relative luminance 0.021; OKLCH L 27.6% C 0.071 H 255.2°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#0C284A
RGB	rgb(12, 40, 74)
HSL	hsl(213, 72%, 17%)
HSV	hsv(213, 84%, 29%)
CMYK	cmyk(83.8%, 45.9%, 0%, 71%)
CIE-LAB	lab(15.95, 3.59, -24.13)
CIE-LCH	lch(15.95, 24.40, 278.47°)
OKLab	oklab(27.63% -0.0183 -0.069)
OKLCH	oklch(27.63% 0.071 255.2)
XYZ	xyz(2.1460, 2.0899, 6.7675)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C284A #4A2E0C

analogous

#0C474A #0C284A #0F0C4A

triadic

#0C284A #4A0C28 #284A0C

tetradic

#0C284A #4A0C47 #4A2E0C #0C4A0F

square

#0C284A #4A0C47 #4A2E0C #0C4A0F

split-complementary

#0C284A #4A0F0C #474A0C

monochromatic

#040E1A #040E1A #0C284A #15447F #1D61B3

Accessibility & contrast

On white

14.81

#0C284A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0C284A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C284A

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C284A	#FFFFFF	#000000	##FFFFFF
##0C284A	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182B4B

Deuteranopia (green-blind)

#0D2549

Tritanopia (blue-blind)

#003035

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0c284a;
/* rgb */ color: rgb(12, 40, 74);
/* oklch */ color: oklch(27.6% 0.071 255.2);

Tailwind

colors: {
  custom: {
    50: '#55617d',
    500: '#0c284a',
    950: '#000000',
  },
}

SCSS

$custom: #0c284a;
$custom-light: #55617d;
$custom-dark: #000000;

JSON

{
  "hex": "#0c284a",
  "rgb": {
    "r": 12,
    "g": 40,
    "b": 74
  },
  "hsl": {
    "h": 212.903,
    "s": 72.093,
    "l": 16.863
  },
  "oklch": {
    "l": 0.2763,
    "c": 0.07137,
    "h": 255.2
  },
  "luminance": 0.0209
}

Semantic roles & 50–950 ramp

primary

#0C284A

secondary

#865D2C

accent

#9D39EF

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030509

muted

#78797B

Preview Lab

Preview with #0C284A

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

Preview Lab → · Contrast checker → · Palette generator →