#0C3551#0C3551

#0C3551 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.7% C 0.067 H 243.3°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#0C3551
RGB	rgb(12, 53, 81)
HSL	hsl(204, 74%, 18%)
HSV	hsv(204, 85%, 32%)
CMYK	cmyk(85.2%, 34.6%, 0%, 68.2%)
CIE-LAB	lab(20.90, -2.63, -21.02)
CIE-LCH	lch(20.90, 21.18, 262.86°)
OKLab	oklab(31.65% -0.0299 -0.0596)
OKLCH	oklch(31.65% 0.067 243.3)
XYZ	xyz(2.9093, 3.2181, 8.2508)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3551 #51280C

analogous

#0C514A #0C3551 #0C1251

triadic

#0C3551 #510C35 #35510C

tetradic

#0C3551 #4A0C51 #51280C #12510C

square

#0C3551 #4A0C51 #51280C #12510C

split-complementary

#0C3551 #510C12 #514A0C

monochromatic

#04111B #04121C #0C3551 #145886 #1C7BBC

Accessibility & contrast

On white

12.78

#0C3551 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#0C3551 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3551

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3551	#FFFFFF	#000000	##FFFFFF
##0C3551	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283652

Deuteranopia (green-blind)

#1E2F50

Tritanopia (blue-blind)

#003C3F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0c3551;
/* rgb */ color: rgb(12, 53, 81);
/* oklch */ color: oklch(31.7% 0.067 243.3);

Tailwind

colors: {
  custom: {
    50: '#576c82',
    500: '#0c3551',
    950: '#000000',
  },
}

SCSS

$custom: #0c3551;
$custom-light: #576c82;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3551",
  "rgb": {
    "r": 12,
    "g": 53,
    "b": 81
  },
  "hsl": {
    "h": 204.348,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.31652,
    "c": 0.06671,
    "h": 243.3
  },
  "luminance": 0.03218
}

Semantic roles & 50–950 ramp

primary

#0C3551

secondary

#8C532C

accent

#8237F1

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #0C3551

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

Preview Lab → · Contrast checker → · Palette generator →