#0C275B#0C275B

#0C275B is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.099 H 261.8°. Best body text is #FFFFFF at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#0C275B
RGB	rgb(12, 39, 91)
HSL	hsl(219, 77%, 20%)
HSV	hsv(219, 87%, 36%)
CMYK	cmyk(86.8%, 57.1%, 0%, 64.3%)
CIE-LAB	lab(16.91, 11.91, -34.06)
CIE-LCH	lch(16.91, 36.08, 289.27°)
OKLab	oklab(28.78% -0.0142 -0.0982)
OKLCH	oklch(28.78% 0.099 261.8)
XYZ	xyz(2.7648, 2.2842, 10.1907)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C275B #5B400C

analogous

#0C4E5B #0C275B #190C5B

triadic

#0C275B #5B0C27 #275B0C

tetradic

#0C275B #5B0C4E #5B400C #0C5B19

square

#0C275B #5B0C4E #5B400C #0C5B19

split-complementary

#0C275B #5B190C #4E5B0C

monochromatic

#040C1B #051025 #0C275B #133E91 #1A55C7

Accessibility & contrast

On white

14.41

#0C275B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0C275B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C275B

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C275B	#FFFFFF	#000000	##FFFFFF
##0C275B	1.00	14.41	1.46	14.41
#FFFFFF	14.41	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022D5D

Deuteranopia (green-blind)

#00265A

Tritanopia (blue-blind)

#00343C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0c275b;
/* rgb */ color: rgb(12, 39, 91);
/* oklch */ color: oklch(28.8% 0.099 261.8);

Tailwind

colors: {
  custom: {
    50: '#5a608a',
    500: '#0c275b',
    950: '#000000',
  },
}

SCSS

$custom: #0c275b;
$custom-light: #5a608a;
$custom-dark: #000000;

JSON

{
  "hex": "#0c275b",
  "rgb": {
    "r": 12,
    "g": 39,
    "b": 91
  },
  "hsl": {
    "h": 219.494,
    "s": 76.699,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28781,
    "c": 0.09922,
    "h": 261.8
  },
  "luminance": 0.02285
}

Semantic roles & 50–950 ramp

primary

#0C275B

secondary

#96722D

accent

#B235F3

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040C

muted

#79797D

Preview Lab

Preview with #0C275B

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

Preview Lab → · Contrast checker → · Palette generator →