#0F0C57#0F0C57

#0F0C57 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.2% C 0.126 H 272.3°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#0F0C57
RGB	rgb(15, 12, 87)
HSL	hsl(242, 76%, 19%)
HSV	hsv(242, 86%, 34%)
CMYK	cmyk(82.8%, 86.2%, 0%, 65.9%)
CIE-LAB	lab(9.42, 29.57, -43.65)
CIE-LCH	lch(9.42, 52.72, 304.11°)
OKLab	oklab(23.21% 0.0051 -0.1263)
OKLCH	oklch(23.21% 0.126 272.3)
XYZ	xyz(2.0482, 1.0524, 9.1102)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0C57 #54570C

analogous

#0C2F57 #0F0C57 #350C57

triadic

#0F0C57 #570F0C #0C570F

tetradic

#0F0C57 #570C2F #54570C #0C5735

square

#0F0C57 #570C2F #54570C #0C5735

split-complementary

#0F0C57 #57350C #2F570C

monochromatic

#05041B #060521 #0F0C57 #18138D #221BC3

Accessibility & contrast

On white

17.35

#0F0C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0F0C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0C57

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0C57	#FFFFFF	#000000	##FFFFFF
##0F0C57	1.00	17.35	1.21	17.35
#FFFFFF	17.35	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E59

Deuteranopia (green-blind)

#001756

Tritanopia (blue-blind)

#002332

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0f0c57;
/* rgb */ color: rgb(15, 12, 87);
/* oklch */ color: oklch(23.2% 0.126 272.3);

Tailwind

colors: {
  custom: {
    50: '#5d4d87',
    500: '#0f0c57',
    950: '#000000',
  },
}

SCSS

$custom: #0f0c57;
$custom-light: #5d4d87;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0c57",
  "rgb": {
    "r": 15,
    "g": 12,
    "b": 87
  },
  "hsl": {
    "h": 242.4,
    "s": 75.758,
    "l": 19.412
  },
  "oklch": {
    "l": 0.23205,
    "c": 0.12641,
    "h": 272.3
  },
  "luminance": 0.01053
}

Semantic roles & 50–950 ramp

primary

#0F0C57

secondary

#8E922D

accent

#F235EB

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05010B

muted

#79777C

Preview Lab

Preview with #0F0C57

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

Preview Lab → · Contrast checker → · Palette generator →