#0C1B51#0C1B51

#0C1B51 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.0% C 0.101 H 266.8°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#0C1B51
RGB	rgb(12, 27, 81)
HSL	hsl(227, 74%, 18%)
HSV	hsv(227, 85%, 32%)
CMYK	cmyk(85.2%, 66.7%, 0%, 68.2%)
CIE-LAB	lab(12.32, 16.59, -34.78)
CIE-LCH	lch(12.32, 38.54, 295.51°)
OKLab	oklab(25.05% -0.0057 -0.1006)
OKLCH	oklch(25.05% 0.101 266.8)
XYZ	xyz(2.0282, 1.4559, 7.9571)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1B51 #51420C

analogous

#0C3D51 #0C1B51 #1F0C51

triadic

#0C1B51 #510C1B #1B510C

tetradic

#0C1B51 #510C3D #51420C #0C511F

square

#0C1B51 #510C3D #51420C #0C511F

split-complementary

#0C1B51 #511F0C #3D510C

monochromatic

#04091B #04091C #0C1B51 #142D86 #1C3FBC

Accessibility & contrast

On white

16.26

#0C1B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0C1B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1B51

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1B51	#FFFFFF	#000000	##FFFFFF
##0C1B51	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002353

Deuteranopia (green-blind)

#001D50

Tritanopia (blue-blind)

#002933

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0c1b51;
/* rgb */ color: rgb(12, 27, 81);
/* oklch */ color: oklch(25.0% 0.101 266.8);

Tailwind

colors: {
  custom: {
    50: '#585682',
    500: '#0c1b51',
    950: '#000000',
  },
}

SCSS

$custom: #0c1b51;
$custom-light: #585682;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1b51",
  "rgb": {
    "r": 12,
    "g": 27,
    "b": 81
  },
  "hsl": {
    "h": 226.957,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.25049,
    "c": 0.10072,
    "h": 266.8
  },
  "luminance": 0.01456
}

Semantic roles & 50–950 ramp

primary

#0C1B51

secondary

#8C782C

accent

#C837F1

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #0C1B51

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

Preview Lab → · Contrast checker → · Palette generator →