#0C3155#0C3155

#0C3155 is a dark, moderate cyan. Relative luminance 0.029; OKLCH L 30.8% C 0.077 H 251.4°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#0C3155
RGB	rgb(12, 49, 85)
HSL	hsl(210, 75%, 19%)
HSV	hsv(210, 86%, 33%)
CMYK	cmyk(85.9%, 42.4%, 0%, 66.7%)
CIE-LAB	lab(19.76, 1.89, -25.48)
CIE-LCH	lch(19.76, 25.55, 274.25°)
OKLab	oklab(30.84% -0.0245 -0.0727)
OKLCH	oklch(30.84% 0.077 251.4)
XYZ	xyz(2.8890, 2.9303, 9.0059)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3155 #55300C

analogous

#0C5555 #0C3155 #0C0D55

triadic

#0C3155 #550C31 #31550C

tetradic

#0C3155 #550C55 #55300C #0D550C

square

#0C3155 #550C55 #55300C #0D550C

split-complementary

#0C3155 #550C0D #55550C

monochromatic

#040F1B #04121F #0C3155 #14508B #1B6FC0

Accessibility & contrast

On white

13.24

#0C3155 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#0C3155 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3155

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3155	#FFFFFF	#000000	##FFFFFF
##0C3155	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203356

Deuteranopia (green-blind)

#142D54

Tritanopia (blue-blind)

#003A3E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0c3155;
/* rgb */ color: rgb(12, 49, 85);
/* oklch */ color: oklch(30.8% 0.077 251.4);

Tailwind

colors: {
  custom: {
    50: '#586885',
    500: '#0c3155',
    950: '#000000',
  },
}

SCSS

$custom: #0c3155;
$custom-light: #586885;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3155",
  "rgb": {
    "r": 12,
    "g": 49,
    "b": 85
  },
  "hsl": {
    "h": 209.589,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.30839,
    "c": 0.07676,
    "h": 251.4
  },
  "luminance": 0.02931
}

Semantic roles & 50–950 ramp

primary

#0C3155

secondary

#905E2D

accent

#9336F2

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0C3155

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

Preview Lab → · Contrast checker → · Palette generator →