#0C1749#0C1749

#0C1749 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.094 H 268.4°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#0C1749
RGB	rgb(12, 23, 73)
HSL	hsl(229, 72%, 17%)
HSV	hsv(229, 84%, 29%)
CMYK	cmyk(83.6%, 68.5%, 0%, 71.4%)
CIE-LAB	lab(10.35, 16.16, -32.50)
CIE-LCH	lch(10.35, 36.30, 296.44°)
OKLab	oklab(23.34% -0.0026 -0.0939)
OKLCH	oklch(23.34% 0.094 268.4)
XYZ	xyz(1.6602, 1.1718, 6.4407)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1749 #493E0C

analogous

#0C3649 #0C1749 #200C49

triadic

#0C1749 #490C17 #17490C

tetradic

#0C1749 #490C36 #493E0C #0C4920

square

#0C1749 #490C36 #493E0C #0C4920

split-complementary

#0C1749 #49200C #36490C

monochromatic

#04081A #04081A #0C1749 #15287E #1D38B2

Accessibility & contrast

On white

17.01

#0C1749 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0C1749 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1749

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1749	#FFFFFF	#000000	##FFFFFF
##0C1749	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4B

Deuteranopia (green-blind)

#001948

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0c1749;
/* rgb */ color: rgb(12, 23, 73);
/* oklch */ color: oklch(23.3% 0.094 268.4);

Tailwind

colors: {
  custom: {
    50: '#56537c',
    500: '#0c1749',
    950: '#000000',
  },
}

SCSS

$custom: #0c1749;
$custom-light: #56537c;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1749",
  "rgb": {
    "r": 12,
    "g": 23,
    "b": 73
  },
  "hsl": {
    "h": 229.18,
    "s": 71.765,
    "l": 16.667
  },
  "oklch": {
    "l": 0.23339,
    "c": 0.09396,
    "h": 268.4
  },
  "luminance": 0.01172
}

Semantic roles & 50–950 ramp

primary

#0C1749

secondary

#85752C

accent

#CE39EE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0C1749

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

Preview Lab → · Contrast checker → · Palette generator →