#0C1755#0C1755

#0C1755 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.112 H 268.3°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#0C1755
RGB	rgb(12, 23, 85)
HSL	hsl(231, 75%, 19%)
HSV	hsv(231, 86%, 33%)
CMYK	cmyk(85.9%, 72.9%, 0%, 66.7%)
CIE-LAB	lab(11.60, 21.28, -38.70)
CIE-LCH	lch(11.60, 44.16, 298.81°)
OKLab	oklab(24.64% -0.0032 -0.1121)
OKLCH	oklch(24.64% 0.112 268.3)
XYZ	xyz(2.0971, 1.3466, 8.7420)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C1755 #554A0C

analogous

#0C3C55 #0C1755 #260C55

triadic

#0C1755 #550C17 #17550C

tetradic

#0C1755 #550C3C #554A0C #0C5526

square

#0C1755 #550C3C #554A0C #0C5526

split-complementary

#0C1755 #55260C #3C550C

monochromatic

#04071B #04081F #0C1755 #14268B #1B34C0

Accessibility & contrast

On white

16.54

#0C1755 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0C1755 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C1755

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C1755	#FFFFFF	#000000	##FFFFFF
##0C1755	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002257

Deuteranopia (green-blind)

#001B54

Tritanopia (blue-blind)

#002833

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0c1755;
/* rgb */ color: rgb(12, 23, 85);
/* oklch */ color: oklch(24.6% 0.112 268.3);

Tailwind

colors: {
  custom: {
    50: '#5a5486',
    500: '#0c1755',
    950: '#000000',
  },
}

SCSS

$custom: #0c1755;
$custom-light: #5a5486;
$custom-dark: #000000;

JSON

{
  "hex": "#0c1755",
  "rgb": {
    "r": 12,
    "g": 23,
    "b": 85
  },
  "hsl": {
    "h": 230.959,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2464,
    "c": 0.11211,
    "h": 268.3
  },
  "luminance": 0.01347
}

Semantic roles & 50–950 ramp

primary

#0C1755

secondary

#90812D

accent

#D636F2

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0C1755

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

Preview Lab → · Contrast checker → · Palette generator →