#0C133A#0C133A

#0C133A is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.076 H 270.7°. Best body text is #FFFFFF at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#0C133A
RGB	rgb(12, 19, 58)
HSL	hsl(231, 66%, 14%)
HSV	hsv(231, 79%, 23%)
CMYK	cmyk(79.3%, 67.2%, 0%, 77.3%)
CIE-LAB	lab(7.67, 12.69, -26.25)
CIE-LCH	lch(7.67, 29.16, 295.79°)
OKLab	oklab(20.89% 0.0009 -0.0757)
OKLCH	oklch(20.89% 0.076 270.7)
XYZ	xyz(1.1480, 0.8493, 4.1056)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C133A #3A330C

analogous

#0C2A3A #0C133A #1C0C3A

triadic

#0C133A #3A0C13 #133A0C

tetradic

#0C133A #3A0C2A #3A330C #0C3A1C

square

#0C133A #3A0C2A #3A330C #0C3A1C

split-complementary

#0C133A #3A1C0C #2A3A0C

monochromatic

#050819 #050819 #0C133A #16246D #21349F

Accessibility & contrast

On white

17.95

#0C133A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0C133A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C133A

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C133A	#FFFFFF	#000000	##FFFFFF
##0C133A	1.00	17.95	1.17	17.95
#FFFFFF	17.95	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193B

Deuteranopia (green-blind)

#001539

Tritanopia (blue-blind)

#001D24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0c133a;
/* rgb */ color: rgb(12, 19, 58);
/* oklch */ color: oklch(20.9% 0.076 270.7);

Tailwind

colors: {
  custom: {
    50: '#525070',
    500: '#0c133a',
    950: '#000000',
  },
}

SCSS

$custom: #0c133a;
$custom-light: #525070;
$custom-dark: #000000;

JSON

{
  "hex": "#0c133a",
  "rgb": {
    "r": 12,
    "g": 19,
    "b": 58
  },
  "hsl": {
    "h": 230.87,
    "s": 65.714,
    "l": 13.725
  },
  "oklch": {
    "l": 0.20894,
    "c": 0.07567,
    "h": 270.7
  },
  "luminance": 0.00849
}

Semantic roles & 50–950 ramp

primary

#0C133A

secondary

#766B2C

accent

#CF3FE9

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #0C133A

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

Preview Lab → · Contrast checker → · Palette generator →