#0C1B4E#0C1B4E

#0C1B4E is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.096 H 266.6°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#0C1B4E
RGB	rgb(12, 27, 78)
HSL	hsl(226, 73%, 18%)
HSV	hsv(226, 85%, 31%)
CMYK	cmyk(84.6%, 65.4%, 0%, 69.4%)
CIE-LAB	lab(12.04, 15.28, -33.20)
CIE-LCH	lch(12.04, 36.55, 294.72°)
OKLab	oklab(24.75% -0.0057 -0.0959)
OKLCH	oklch(24.75% 0.096 266.6)
XYZ	xyz(1.9182, 1.4119, 7.3777)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1B4E #4E3F0C

analogous

#0C3C4E #0C1B4E #1E0C4E

triadic

#0C1B4E #4E0C1B #1B4E0C

tetradic

#0C1B4E #4E0C3C #4E3F0C #0C4E1E

square

#0C1B4E #4E0C3C #4E3F0C #0C4E1E

split-complementary

#0C1B4E #4E1E0C #3C4E0C

monochromatic

#04091B #04091B #0C1B4E #142D83 #1C40B8

Accessibility & contrast

On white

16.38

#0C1B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0C1B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1B4E

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1B4E	#FFFFFF	#000000	##FFFFFF
##0C1B4E	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002350

Deuteranopia (green-blind)

#001D4D

Tritanopia (blue-blind)

#002831

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0c1b4e;
/* rgb */ color: rgb(12, 27, 78);
/* oklch */ color: oklch(24.7% 0.096 266.6);

Tailwind

colors: {
  custom: {
    50: '#575680',
    500: '#0c1b4e',
    950: '#000000',
  },
}

SCSS

$custom: #0c1b4e;
$custom-light: #575680;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1b4e",
  "rgb": {
    "r": 12,
    "g": 27,
    "b": 78
  },
  "hsl": {
    "h": 226.364,
    "s": 73.333,
    "l": 17.647
  },
  "oklch": {
    "l": 0.24745,
    "c": 0.09608,
    "h": 266.6
  },
  "luminance": 0.01412
}

Semantic roles & 50–950 ramp

primary

#0C1B4E

secondary

#8A742C

accent

#C638F0

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #0C1B4E

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

Preview Lab → · Contrast checker → · Palette generator →