#0F0F33#0F0F33

#0F0F33 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 19.5% C 0.069 H 277.8°. Best body text is #FFFFFF at 18.48:1 contrast (WCAG AA passes).

Color values

HEX	#0F0F33
RGB	rgb(15, 15, 51)
HSL	hsl(240, 55%, 13%)
HSV	hsv(240, 71%, 20%)
CMYK	cmyk(70.6%, 70.6%, 0%, 80%)
CIE-LAB	lab(6.16, 12.75, -23.59)
CIE-LCH	lch(6.16, 26.81, 298.39°)
OKLab	oklab(19.51% 0.0095 -0.0686)
OKLCH	oklch(19.51% 0.069 277.8)
XYZ	xyz(0.9652, 0.6822, 3.2121)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F0F33 #33330F

analogous

#0F2133 #0F0F33 #210F33

triadic

#0F0F33 #330F0F #0F330F

tetradic

#0F0F33 #330F21 #33330F #0F3321

square

#0F0F33 #330F21 #33330F #0F3321

split-complementary

#0F0F33 #33210F #21330F

monochromatic

#070718 #070718 #0F0F33 #1D1D62 #2B2B92

Accessibility & contrast

On white

18.48

#0F0F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0F0F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F0F33

18.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F0F33	#FFFFFF	#000000	##FFFFFF
##0F0F33	1.00	18.48	1.14	18.48
#FFFFFF	18.48	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001534

Deuteranopia (green-blind)

#001232

Tritanopia (blue-blind)

#00181F

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0f0f33;
/* rgb */ color: rgb(15, 15, 51);
/* oklch */ color: oklch(19.5% 0.069 277.8);

Tailwind

colors: {
  custom: {
    50: '#524d6b',
    500: '#0f0f33',
    950: '#000000',
  },
}

SCSS

$custom: #0f0f33;
$custom-light: #524d6b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f0f33",
  "rgb": {
    "r": 15,
    "g": 15,
    "b": 51
  },
  "hsl": {
    "h": 240,
    "s": 54.545,
    "l": 12.941
  },
  "oklch": {
    "l": 0.1951,
    "c": 0.06923,
    "h": 277.8
  },
  "luminance": 0.00682
}

Semantic roles & 50–950 ramp

primary

#0F0F33

secondary

#6D6D31

accent

#DE4ADE

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0F0F33

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

Preview Lab → · Contrast checker → · Palette generator →