#0C0C51#0C0C51

#0C0C51 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.2% C 0.119 H 271.2°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#0C0C51
RGB	rgb(12, 12, 81)
HSL	hsl(240, 74%, 18%)
HSV	hsv(240, 85%, 32%)
CMYK	cmyk(85.2%, 85.2%, 0%, 68.2%)
CIE-LAB	lab(8.44, 27.14, -41.18)
CIE-LCH	lch(8.44, 49.32, 303.39°)
OKLab	oklab(22.24% 0.0026 -0.1192)
OKLCH	oklch(22.24% 0.119 271.2)
XYZ	xyz(1.7678, 0.9350, 7.8703)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C0C51 #51510C

analogous

#0C2E51 #0C0C51 #2E0C51

triadic

#0C0C51 #510C0C #0C510C

tetradic

#0C0C51 #510C2E #51510C #0C512E

square

#0C0C51 #510C2E #51510C #0C512E

split-complementary

#0C0C51 #512E0C #2E510C

monochromatic

#04041B #04041C #0C0C51 #141486 #1C1CBC

Accessibility & contrast

On white

17.69

#0C0C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0C0C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C0C51

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C0C51	#FFFFFF	#000000	##FFFFFF
##0C0C51	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C53

Deuteranopia (green-blind)

#001550

Tritanopia (blue-blind)

#00212E

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0c0c51;
/* rgb */ color: rgb(12, 12, 81);
/* oklch */ color: oklch(22.2% 0.119 271.2);

Tailwind

colors: {
  custom: {
    50: '#5a4c83',
    500: '#0c0c51',
    950: '#000000',
  },
}

SCSS

$custom: #0c0c51;
$custom-light: #5a4c83;
$custom-dark: #000000;

JSON

{
  "hex": "#0c0c51",
  "rgb": {
    "r": 12,
    "g": 12,
    "b": 81
  },
  "hsl": {
    "h": 240,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.22235,
    "c": 0.11925,
    "h": 271.2
  },
  "luminance": 0.00935
}

Semantic roles & 50–950 ramp

primary

#0C0C51

secondary

#8C8C2C

accent

#F137F1

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04010B

muted

#79777C

Preview Lab

Preview with #0C0C51

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

Preview Lab → · Contrast checker → · Palette generator →