#0C1740#0C1740

#0C1740 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.4% C 0.080 H 268.0°. Best body text is #FFFFFF at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#0C1740
RGB	rgb(12, 23, 64)
HSL	hsl(227, 68%, 15%)
HSV	hsv(227, 81%, 25%)
CMYK	cmyk(81.2%, 64.1%, 0%, 74.9%)
CIE-LAB	lab(9.49, 12.20, -27.58)
CIE-LCH	lch(9.49, 30.16, 293.86°)
OKLab	oklab(22.43% -0.0028 -0.0795)
OKLCH	oklch(22.43% 0.08 268)
XYZ	xyz(1.3831, 1.0610, 4.9814)
Luminance	0.0106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1740 #40350C

analogous

#0C3140 #0C1740 #1B0C40

triadic

#0C1740 #400C17 #17400C

tetradic

#0C1740 #400C31 #40350C #0C401B

square

#0C1740 #400C31 #40350C #0C401B

split-complementary

#0C1740 #401B0C #31400C

monochromatic

#05091A #05091A #0C1740 #162A74 #1F3CA7

Accessibility & contrast

On white

17.32

#0C1740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0C1740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1740

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1740	#FFFFFF	#000000	##FFFFFF
##0C1740	1.00	17.32	1.21	17.32
#FFFFFF	17.32	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D41

Deuteranopia (green-blind)

#00183F

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0c1740;
/* rgb */ color: rgb(12, 23, 64);
/* oklch */ color: oklch(22.4% 0.080 268.0);

Tailwind

colors: {
  custom: {
    50: '#535375',
    500: '#0c1740',
    950: '#000000',
  },
}

SCSS

$custom: #0c1740;
$custom-light: #535375;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1740",
  "rgb": {
    "r": 12,
    "g": 23,
    "b": 64
  },
  "hsl": {
    "h": 227.308,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.22432,
    "c": 0.07954,
    "h": 268
  },
  "luminance": 0.01061
}

Semantic roles & 50–950 ramp

primary

#0C1740

secondary

#7C6B2C

accent

#C63DEB

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0C1740

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

Preview Lab → · Contrast checker → · Palette generator →