#0C285B#0C285B

#0C285B is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.0% C 0.098 H 261.2°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#0C285B
RGB	rgb(12, 40, 91)
HSL	hsl(219, 77%, 20%)
HSV	hsv(219, 87%, 36%)
CMYK	cmyk(86.8%, 56%, 0%, 64.3%)
CIE-LAB	lab(17.23, 11.16, -33.55)
CIE-LCH	lch(17.23, 35.35, 288.40°)
OKLab	oklab(29.02% -0.015 -0.0967)
OKLCH	oklch(29.02% 0.098 261.2)
XYZ	xyz(2.7981, 2.3507, 10.2018)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C285B #5B3F0C

analogous

#0C4F5B #0C285B #170C5B

triadic

#0C285B #5B0C28 #285B0C

tetradic

#0C285B #5B0C4F #5B3F0C #0C5B17

square

#0C285B #5B0C4F #5B3F0C #0C5B17

split-complementary

#0C285B #5B170C #4F5B0C

monochromatic

#040C1B #051025 #0C285B #134091 #1A58C7

Accessibility & contrast

On white

14.28

#0C285B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#0C285B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C285B

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C285B	#FFFFFF	#000000	##FFFFFF
##0C285B	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052E5D

Deuteranopia (green-blind)

#00275A

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0c285b;
/* rgb */ color: rgb(12, 40, 91);
/* oklch */ color: oklch(29.0% 0.098 261.2);

Tailwind

colors: {
  custom: {
    50: '#5a618a',
    500: '#0c285b',
    950: '#000000',
  },
}

SCSS

$custom: #0c285b;
$custom-light: #5a618a;
$custom-dark: #000000;

JSON

{
  "hex": "#0c285b",
  "rgb": {
    "r": 12,
    "g": 40,
    "b": 91
  },
  "hsl": {
    "h": 218.734,
    "s": 76.699,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29022,
    "c": 0.09783,
    "h": 261.2
  },
  "luminance": 0.02351
}

Semantic roles & 50–950 ramp

primary

#0C285B

secondary

#96712D

accent

#B035F3

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04050C

muted

#79797D

Preview Lab

Preview with #0C285B

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

Preview Lab → · Contrast checker → · Palette generator →