#0F0C51#0F0C51

#0F0C51 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.4% C 0.118 H 273.2°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#0F0C51
RGB	rgb(15, 12, 81)
HSL	hsl(243, 74%, 18%)
HSV	hsv(243, 85%, 32%)
CMYK	cmyk(81.5%, 85.2%, 0%, 68.2%)
CIE-LAB	lab(8.64, 27.39, -40.84)
CIE-LCH	lch(8.64, 49.17, 303.85°)
OKLab	oklab(22.43% 0.0066 -0.1182)
OKLCH	oklch(22.43% 0.118 273.2)
XYZ	xyz(1.8132, 0.9584, 7.8724)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0C51 #4E510C

analogous

#0C2B51 #0F0C51 #310C51

triadic

#0F0C51 #510F0C #0C510F

tetradic

#0F0C51 #510C2B #4E510C #0C5131

square

#0F0C51 #510C2B #4E510C #0C5131

split-complementary

#0F0C51 #51310C #2B510C

monochromatic

#05041B #05041C #0F0C51 #191486 #231CBC

Accessibility & contrast

On white

17.62

#0F0C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0F0C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0C51

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0C51	#FFFFFF	#000000	##FFFFFF
##0F0C51	1.00	17.62	1.19	17.62
#FFFFFF	17.62	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C53

Deuteranopia (green-blind)

#001550

Tritanopia (blue-blind)

#00212E

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0f0c51;
/* rgb */ color: rgb(15, 12, 81);
/* oklch */ color: oklch(22.4% 0.118 273.2);

Tailwind

colors: {
  custom: {
    50: '#5b4c83',
    500: '#0f0c51',
    950: '#000000',
  },
}

SCSS

$custom: #0f0c51;
$custom-light: #5b4c83;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0c51",
  "rgb": {
    "r": 15,
    "g": 12,
    "b": 81
  },
  "hsl": {
    "h": 242.609,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.22431,
    "c": 0.11835,
    "h": 273.2
  },
  "luminance": 0.00959
}

Semantic roles & 50–950 ramp

primary

#0F0C51

secondary

#888C2C

accent

#F137E9

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04010B

muted

#79777C

Preview Lab

Preview with #0F0C51

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

Preview Lab → · Contrast checker → · Palette generator →