#0C1745#0C1745

#0C1745 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.088 H 268.3°. Best body text is #FFFFFF at 17.15:1 contrast (WCAG AA passes).

Color values

HEX	#0C1745
RGB	rgb(12, 23, 69)
HSL	hsl(228, 70%, 16%)
HSV	hsv(228, 83%, 27%)
CMYK	cmyk(82.6%, 66.7%, 0%, 72.9%)
CIE-LAB	lab(9.96, 14.41, -30.34)
CIE-LCH	lch(9.96, 33.59, 295.40°)
OKLab	oklab(22.93% -0.0026 -0.0876)
OKLCH	oklch(22.93% 0.088 268.3)
XYZ	xyz(1.5318, 1.1205, 5.7646)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1745 #453A0C

analogous

#0C3345 #0C1745 #1D0C45

triadic

#0C1745 #450C17 #17450C

tetradic

#0C1745 #450C33 #453A0C #0C451D

square

#0C1745 #450C33 #453A0C #0C451D

split-complementary

#0C1745 #451D0C #33450C

monochromatic

#05091A #05091A #0C1745 #152879 #1E3AAD

Accessibility & contrast

On white

17.15

#0C1745 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0C1745 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1745

17.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1745	#FFFFFF	#000000	##FFFFFF
##0C1745	1.00	17.15	1.22	17.15
#FFFFFF	17.15	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E47

Deuteranopia (green-blind)

#001944

Tritanopia (blue-blind)

#00232B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0c1745;
/* rgb */ color: rgb(12, 23, 69);
/* oklch */ color: oklch(22.9% 0.088 268.3);

Tailwind

colors: {
  custom: {
    50: '#555379',
    500: '#0c1745',
    950: '#000000',
  },
}

SCSS

$custom: #0c1745;
$custom-light: #555379;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1745",
  "rgb": {
    "r": 12,
    "g": 23,
    "b": 69
  },
  "hsl": {
    "h": 228.421,
    "s": 70.37,
    "l": 15.882
  },
  "oklch": {
    "l": 0.22928,
    "c": 0.08764,
    "h": 268.3
  },
  "luminance": 0.01121
}

Semantic roles & 50–950 ramp

primary

#0C1745

secondary

#81712C

accent

#CB3BED

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0C1745

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

Preview Lab → · Contrast checker → · Palette generator →