#0C1B48#0C1B48

#0C1B48 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.087 H 266.0°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#0C1B48
RGB	rgb(12, 27, 72)
HSL	hsl(225, 71%, 16%)
HSV	hsv(225, 83%, 28%)
CMYK	cmyk(83.3%, 62.5%, 0%, 71.8%)
CIE-LAB	lab(11.48, 12.63, -29.96)
CIE-LCH	lch(11.48, 32.51, 292.86°)
OKLab	oklab(24.16% -0.006 -0.0864)
OKLCH	oklch(24.16% 0.087 266)
XYZ	xyz(1.7128, 1.3297, 6.2960)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1B48 #48390C

analogous

#0C3948 #0C1B48 #1B0C48

triadic

#0C1B48 #480C1B #1B480C

tetradic

#0C1B48 #480C39 #48390C #0C481B

square

#0C1B48 #480C39 #48390C #0C481B

split-complementary

#0C1B48 #481B0C #39480C

monochromatic

#040A1A #040A1A #0C1B48 #152F7C #1D42B1

Accessibility & contrast

On white

16.59

#0C1B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0C1B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1B48

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1B48	#FFFFFF	#000000	##FFFFFF
##0C1B48	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214A

Deuteranopia (green-blind)

#001C47

Tritanopia (blue-blind)

#00262E

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0c1b48;
/* rgb */ color: rgb(12, 27, 72);
/* oklch */ color: oklch(24.2% 0.087 266.0);

Tailwind

colors: {
  custom: {
    50: '#55567b',
    500: '#0c1b48',
    950: '#000000',
  },
}

SCSS

$custom: #0c1b48;
$custom-light: #55567b;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1b48",
  "rgb": {
    "r": 12,
    "g": 27,
    "b": 72
  },
  "hsl": {
    "h": 225,
    "s": 71.429,
    "l": 16.471
  },
  "oklch": {
    "l": 0.24156,
    "c": 0.0866,
    "h": 266
  },
  "luminance": 0.0133
}

Semantic roles & 50–950 ramp

primary

#0C1B48

secondary

#846E2C

accent

#C13AEE

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #0C1B48

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

Preview Lab → · Contrast checker → · Palette generator →