#0C3157#0C3157

#0C3157 is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.0% C 0.080 H 252.5°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#0C3157
RGB	rgb(12, 49, 87)
HSL	hsl(210, 76%, 19%)
HSV	hsv(210, 86%, 34%)
CMYK	cmyk(86.2%, 43.7%, 0%, 65.9%)
CIE-LAB	lab(19.89, 2.77, -26.60)
CIE-LCH	lch(19.89, 26.75, 275.94°)
OKLab	oklab(30.98% -0.0239 -0.0761)
OKLCH	oklch(30.98% 0.08 252.5)
XYZ	xyz(2.9696, 2.9625, 9.4303)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C3157 #57320C

analogous

#0C5757 #0C3157 #0C0C57

triadic

#0C3157 #570C31 #31570C

tetradic

#0C3157 #570C57 #57320C #0C570C

square

#0C3157 #570C57 #57320C #0C570C

split-complementary

#0C3157 #570C0C #57570C

monochromatic

#040F1B #051321 #0C3157 #134F8D #1B6EC3

Accessibility & contrast

On white

13.19

#0C3157 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#0C3157 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C3157

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C3157	#FFFFFF	#000000	##FFFFFF
##0C3157	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3459

Deuteranopia (green-blind)

#122D56

Tritanopia (blue-blind)

#003A3F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0c3157;
/* rgb */ color: rgb(12, 49, 87);
/* oklch */ color: oklch(31.0% 0.080 252.5);

Tailwind

colors: {
  custom: {
    50: '#596886',
    500: '#0c3157',
    950: '#000000',
  },
}

SCSS

$custom: #0c3157;
$custom-light: #596886;
$custom-dark: #000000;

JSON

{
  "hex": "#0c3157",
  "rgb": {
    "r": 12,
    "g": 49,
    "b": 87
  },
  "hsl": {
    "h": 210.4,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.30984,
    "c": 0.07973,
    "h": 252.5
  },
  "luminance": 0.02963
}

Semantic roles & 50–950 ramp

primary

#0C3157

secondary

#92602D

accent

#9535F2

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0C3157

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

Preview Lab → · Contrast checker → · Palette generator →