#0C1753#0C1753

#0C1753 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.109 H 268.4°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#0C1753
RGB	rgb(12, 23, 83)
HSL	hsl(231, 75%, 19%)
HSV	hsv(231, 86%, 33%)
CMYK	cmyk(85.5%, 72.3%, 0%, 67.5%)
CIE-LAB	lab(11.38, 20.44, -37.69)
CIE-LCH	lch(11.38, 42.88, 298.48°)
OKLab	oklab(24.42% -0.0031 -0.1091)
OKLCH	oklch(24.42% 0.109 268.4)
XYZ	xyz(2.0188, 1.3153, 8.3294)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1753 #53480C

analogous

#0C3A53 #0C1753 #240C53

triadic

#0C1753 #530C17 #17530C

tetradic

#0C1753 #530C3A #53480C #0C5324

square

#0C1753 #530C3A #53480C #0C5324

split-complementary

#0C1753 #53240C #3A530C

monochromatic

#04071B #04081E #0C1753 #142688 #1B35BE

Accessibility & contrast

On white

16.63

#0C1753 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0C1753 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1753

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1753	#FFFFFF	#000000	##FFFFFF
##0C1753	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002255

Deuteranopia (green-blind)

#001B52

Tritanopia (blue-blind)

#002732

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0c1753;
/* rgb */ color: rgb(12, 23, 83);
/* oklch */ color: oklch(24.4% 0.109 268.4);

Tailwind

colors: {
  custom: {
    50: '#595484',
    500: '#0c1753',
    950: '#000000',
  },
}

SCSS

$custom: #0c1753;
$custom-light: #595484;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1753",
  "rgb": {
    "r": 12,
    "g": 23,
    "b": 83
  },
  "hsl": {
    "h": 230.704,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.24417,
    "c": 0.10916,
    "h": 268.4
  },
  "luminance": 0.01315
}

Semantic roles & 50–950 ramp

primary

#0C1753

secondary

#8E7F2D

accent

#D436F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1753

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

Preview Lab → · Contrast checker → · Palette generator →