#0C0347#0C0347

#0C0347 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.5% C 0.115 H 274.5°. Best body text is #FFFFFF at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#0C0347
RGB	rgb(12, 3, 71)
HSL	hsl(248, 92%, 15%)
HSV	hsv(248, 96%, 28%)
CMYK	cmyk(83.1%, 95.8%, 0%, 72.2%)
CIE-LAB	lab(5.40, 27.97, -39.23)
CIE-LCH	lch(5.40, 48.18, 305.48°)
OKLab	oklab(19.5% 0.0091 -0.1151)
OKLCH	oklch(19.5% 0.115 274.5)
XYZ	xyz(1.3211, 0.5981, 6.0058)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0347 #3E4703

analogous

#031C47 #0C0347 #2E0347

triadic

#0C0347 #470C03 #03470C

tetradic

#0C0347 #47031C #3E4703 #03472E

square

#0C0347 #47031C #3E4703 #03472E

split-complementary

#0C0347 #472E03 #1C4703

monochromatic

#05011D #05011D #0C0347 #160582 #2008BC

Accessibility & contrast

On white

18.76

#0C0347 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0C0347 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0347

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0347	#FFFFFF	#000000	##FFFFFF
##0C0347	1.00	18.76	1.12	18.76
#FFFFFF	18.76	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001549

Deuteranopia (green-blind)

#000F46

Tritanopia (blue-blind)

#001926

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0c0347;
/* rgb */ color: rgb(12, 3, 71);
/* oklch */ color: oklch(19.5% 0.115 274.5);

Tailwind

colors: {
  custom: {
    50: '#57467b',
    500: '#0c0347',
    950: '#000000',
  },
}

SCSS

$custom: #0c0347;
$custom-light: #57467b;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0347",
  "rgb": {
    "r": 12,
    "g": 3,
    "b": 71
  },
  "hsl": {
    "h": 247.941,
    "s": 91.892,
    "l": 14.51
  },
  "oklch": {
    "l": 0.19498,
    "c": 0.11543,
    "h": 274.5
  },
  "luminance": 0.00598
}

Semantic roles & 50–950 ramp

primary

#0C0347

secondary

#7A881E

accent

#FF29E3

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#040009

muted

#79777B

Preview Lab

Preview with #0C0347

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

Preview Lab → · Contrast checker → · Palette generator →