#0F0F52#0F0F52

#0F0F52 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.117 H 272.5°. Best body text is #FFFFFF at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F52
RGB	rgb(15, 15, 82)
HSL	hsl(240, 69%, 19%)
HSV	hsv(240, 82%, 32%)
CMYK	cmyk(81.7%, 81.7%, 0%, 67.8%)
CIE-LAB	lab(9.42, 25.90, -40.24)
CIE-LCH	lch(9.42, 47.85, 302.77°)
OKLab	oklab(23.02% 0.005 -0.1164)
OKLCH	oklch(23.02% 0.117 272.5)
XYZ	xyz(1.8903, 1.0522, 8.0845)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F52 #52520F

analogous

#0F3152 #0F0F52 #310F52

triadic

#0F0F52 #520F0F #0F520F

tetradic

#0F0F52 #520F31 #52520F #0F5231

square

#0F0F52 #520F31 #52520F #0F5231

split-complementary

#0F0F52 #52310F #31520F

monochromatic

#05051A #06061E #0F0F52 #181886 #2222B9

Accessibility & contrast

On white

17.35

#0F0F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0F0F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F52

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F52	#FFFFFF	#000000	##FFFFFF
##0F0F52	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)

#001E54

Deuteranopia (green-blind)

#001751

Tritanopia (blue-blind)

#00232F

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0f0f52;
/* rgb */ color: rgb(15, 15, 82);
/* oklch */ color: oklch(23.0% 0.117 272.5);

Tailwind

colors: {
  custom: {
    50: '#5b4e83',
    500: '#0f0f52',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f52;
$custom-light: #5b4e83;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f52",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 82
  },
  "hsl": {
    "h": 240,
    "s": 69.072,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23017,
    "c": 0.11656,
    "h": 272.5
  },
  "luminance": 0.01052
}

Semantic roles & 50–950 ramp

primary

#0F0F52

secondary

#8C8C31

accent

#EC3CEC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04010B

muted

#79777C

Preview Lab

Preview with #0F0F52

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

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