#0C1B4B#0C1B4B

#0C1B4B is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.091 H 266.4°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#0C1B4B
RGB	rgb(12, 27, 75)
HSL	hsl(226, 72%, 17%)
HSV	hsv(226, 84%, 29%)
CMYK	cmyk(84%, 64%, 0%, 70.6%)
CIE-LAB	lab(11.76, 13.96, -31.59)
CIE-LCH	lch(11.76, 34.54, 293.85°)
OKLab	oklab(24.45% -0.0058 -0.0912)
OKLCH	oklch(24.45% 0.091 266.4)
XYZ	xyz(1.8131, 1.3698, 6.8241)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1B4B #4B3C0C

analogous

#0C3B4B #0C1B4B #1C0C4B

triadic

#0C1B4B #4B0C1B #1B4B0C

tetradic

#0C1B4B #4B0C3B #4B3C0C #0C4B1C

square

#0C1B4B #4B0C3B #4B3C0C #0C4B1C

split-complementary

#0C1B4B #4B1C0C #3B4B0C

monochromatic

#04091A #04091A #0C1B4B #142E80 #1D41B5

Accessibility & contrast

On white

16.48

#0C1B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0C1B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1B4B

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1B4B	#FFFFFF	#000000	##FFFFFF
##0C1B4B	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00224D

Deuteranopia (green-blind)

#001C4A

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0c1b4b;
/* rgb */ color: rgb(12, 27, 75);
/* oklch */ color: oklch(24.4% 0.091 266.4);

Tailwind

colors: {
  custom: {
    50: '#56567e',
    500: '#0c1b4b',
    950: '#000000',
  },
}

SCSS

$custom: #0c1b4b;
$custom-light: #56567e;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1b4b",
  "rgb": {
    "r": 12,
    "g": 27,
    "b": 75
  },
  "hsl": {
    "h": 225.714,
    "s": 72.414,
    "l": 17.059
  },
  "oklch": {
    "l": 0.24447,
    "c": 0.09137,
    "h": 266.4
  },
  "luminance": 0.0137
}

Semantic roles & 50–950 ramp

primary

#0C1B4B

secondary

#87712C

accent

#C439EF

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03030A

muted

#78787C

Preview Lab

Preview with #0C1B4B

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

Preview Lab → · Contrast checker → · Palette generator →