#0C0F4B#0C0F4B

#0C0F4B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.0% C 0.108 H 271.3°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#0C0F4B
RGB	rgb(12, 15, 75)
HSL	hsl(237, 72%, 17%)
HSV	hsv(237, 84%, 29%)
CMYK	cmyk(84%, 80%, 0%, 70.6%)
CIE-LAB	lab(8.37, 22.87, -37.13)
CIE-LCH	lch(8.37, 43.61, 301.63°)
OKLab	oklab(21.97% 0.0024 -0.1075)
OKLCH	oklch(21.97% 0.108 271.3)
XYZ	xyz(1.5920, 0.9276, 6.7504)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0F4B #4B480C

analogous

#0C2F4B #0C0F4B #290C4B

triadic

#0C0F4B #4B0C0F #0F4B0C

tetradic

#0C0F4B #4B0C2F #4B480C #0C4B29

square

#0C0F4B #4B0C2F #4B480C #0C4B29

split-complementary

#0C0F4B #4B290C #2F4B0C

monochromatic

#04051A #04051A #0C0F4B #141A80 #1D24B5

Accessibility & contrast

On white

17.71

#0C0F4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0C0F4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0F4B

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0F4B	#FFFFFF	#000000	##FFFFFF
##0C0F4B	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4D

Deuteranopia (green-blind)

#00154A

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0c0f4b;
/* rgb */ color: rgb(12, 15, 75);
/* oklch */ color: oklch(22.0% 0.108 271.3);

Tailwind

colors: {
  custom: {
    50: '#584d7e',
    500: '#0c0f4b',
    950: '#000000',
  },
}

SCSS

$custom: #0c0f4b;
$custom-light: #584d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0f4b",
  "rgb": {
    "r": 12,
    "g": 15,
    "b": 75
  },
  "hsl": {
    "h": 237.143,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.21968,
    "c": 0.10753,
    "h": 271.3
  },
  "luminance": 0.00928
}

Semantic roles & 50–950 ramp

primary

#0C0F4B

secondary

#87822C

accent

#E639EF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0C0F4B

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

Preview Lab → · Contrast checker → · Palette generator →