#0C134B#0C134B

#0C134B is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.102 H 270.0°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#0C134B
RGB	rgb(12, 19, 75)
HSL	hsl(233, 72%, 17%)
HSV	hsv(233, 84%, 29%)
CMYK	cmyk(84%, 74.7%, 0%, 70.6%)
CIE-LAB	lab(9.41, 20.02, -35.42)
CIE-LCH	lch(9.41, 40.69, 299.48°)
OKLab	oklab(22.72% 0.0001 -0.1025)
OKLCH	oklch(22.72% 0.103 270)
XYZ	xyz(1.6541, 1.0517, 6.7711)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C134B #4B440C

analogous

#0C334B #0C134B #250C4B

triadic

#0C134B #4B0C13 #134B0C

tetradic

#0C134B #4B0C33 #4B440C #0C4B25

square

#0C134B #4B0C33 #4B440C #0C4B25

split-complementary

#0C134B #4B250C #334B0C

monochromatic

#04071A #04071A #0C134B #142080 #1D2EB5

Accessibility & contrast

On white

17.35

#0C134B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0C134B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C134B

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C134B	#FFFFFF	#000000	##FFFFFF
##0C134B	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4D

Deuteranopia (green-blind)

#00174A

Tritanopia (blue-blind)

#00222D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0c134b;
/* rgb */ color: rgb(12, 19, 75);
/* oklch */ color: oklch(22.7% 0.102 270.0);

Tailwind

colors: {
  custom: {
    50: '#57507e',
    500: '#0c134b',
    950: '#000000',
  },
}

SCSS

$custom: #0c134b;
$custom-light: #57507e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c134b",
  "rgb": {
    "r": 12,
    "g": 19,
    "b": 75
  },
  "hsl": {
    "h": 233.333,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.22719,
    "c": 0.1025,
    "h": 270
  },
  "luminance": 0.01052
}

Semantic roles & 50–950 ramp

primary

#0C134B

secondary

#877D2C

accent

#DB39EF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0C134B

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

Preview Lab → · Contrast checker → · Palette generator →