#0C285A#0C285A

#0C285A is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.9% C 0.096 H 261.0°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#0C285A
RGB	rgb(12, 40, 90)
HSL	hsl(218, 76%, 20%)
HSV	hsv(218, 87%, 35%)
CMYK	cmyk(86.7%, 55.6%, 0%, 64.7%)
CIE-LAB	lab(17.15, 10.71, -33.01)
CIE-LCH	lch(17.15, 34.70, 287.98°)
OKLab	oklab(28.94% -0.0151 -0.0951)
OKLCH	oklch(28.94% 0.096 261)
XYZ	xyz(2.7552, 2.3336, 9.9761)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C285A #5A3E0C

analogous

#0C4F5A #0C285A #170C5A

triadic

#0C285A #5A0C28 #285A0C

tetradic

#0C285A #5A0C4F #5A3E0C #0C5A17

square

#0C285A #5A0C4F #5A3E0C #0C5A17

split-complementary

#0C285A #5A170C #4F5A0C

monochromatic

#040C1B #051024 #0C285A #134090 #1A58C6

Accessibility & contrast

On white

14.32

#0C285A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#0C285A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C285A

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C285A	#FFFFFF	#000000	##FFFFFF
##0C285A	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062E5C

Deuteranopia (green-blind)

#002759

Tritanopia (blue-blind)

#00343C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0c285a;
/* rgb */ color: rgb(12, 40, 90);
/* oklch */ color: oklch(28.9% 0.096 261.0);

Tailwind

colors: {
  custom: {
    50: '#5a6189',
    500: '#0c285a',
    950: '#000000',
  },
}

SCSS

$custom: #0c285a;
$custom-light: #5a6189;
$custom-dark: #000000;

JSON

{
  "hex": "#0c285a",
  "rgb": {
    "r": 12,
    "g": 40,
    "b": 90
  },
  "hsl": {
    "h": 218.462,
    "s": 76.471,
    "l": 20
  },
  "oklch": {
    "l": 0.28935,
    "c": 0.0963,
    "h": 261
  },
  "luminance": 0.02334
}

Semantic roles & 50–950 ramp

primary

#0C285A

secondary

#95702D

accent

#AF35F3

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04050B

muted

#79797C

Preview Lab

Preview with #0C285A

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

Preview Lab → · Contrast checker → · Palette generator →