#0C1855#0C1855

#0C1855 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.111 H 268.0°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#0C1855
RGB	rgb(12, 24, 85)
HSL	hsl(230, 75%, 19%)
HSV	hsv(230, 86%, 33%)
CMYK	cmyk(85.9%, 71.8%, 0%, 66.7%)
CIE-LAB	lab(11.87, 20.55, -38.25)
CIE-LCH	lch(11.87, 43.42, 298.25°)
OKLab	oklab(24.84% -0.0038 -0.1107)
OKLCH	oklch(24.84% 0.111 268)
XYZ	xyz(2.1174, 1.3871, 8.7487)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1855 #55490C

analogous

#0C3D55 #0C1855 #250C55

triadic

#0C1855 #550C18 #18550C

tetradic

#0C1855 #550C3D #55490C #0C5525

square

#0C1855 #550C3D #55490C #0C5525

split-complementary

#0C1855 #55250C #3D550C

monochromatic

#04081B #04091F #0C1855 #14278B #1B36C0

Accessibility & contrast

On white

16.44

#0C1855 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0C1855 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1855

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1855	#FFFFFF	#000000	##FFFFFF
##0C1855	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002357

Deuteranopia (green-blind)

#001C54

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0c1855;
/* rgb */ color: rgb(12, 24, 85);
/* oklch */ color: oklch(24.8% 0.111 268.0);

Tailwind

colors: {
  custom: {
    50: '#5a5486',
    500: '#0c1855',
    950: '#000000',
  },
}

SCSS

$custom: #0c1855;
$custom-light: #5a5486;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1855",
  "rgb": {
    "r": 12,
    "g": 24,
    "b": 85
  },
  "hsl": {
    "h": 230.137,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2484,
    "c": 0.11081,
    "h": 268
  },
  "luminance": 0.01387
}

Semantic roles & 50–950 ramp

primary

#0C1855

secondary

#90802D

accent

#D336F2

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1855

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

Preview Lab → · Contrast checker → · Palette generator →