#0F192B#0F192B

#0F192B is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.4% C 0.039 H 261.5°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#0F192B
RGB	rgb(15, 25, 43)
HSL	hsl(219, 48%, 11%)
HSV	hsv(219, 65%, 17%)
CMYK	cmyk(65.1%, 41.9%, 0%, 83.1%)
CIE-LAB	lab(8.75, 2.17, -13.57)
CIE-LCH	lch(8.75, 13.74, 279.07°)
OKLab	oklab(21.4% -0.0057 -0.0382)
OKLCH	oklch(21.4% 0.039 261.5)
XYZ	xyz(0.9805, 0.9712, 2.4208)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F192B #2B210F

analogous

#0F272B #0F192B #130F2B

triadic

#0F192B #2B0F19 #192B0F

tetradic

#0F192B #2B0F27 #2B210F #0F2B13

square

#0F192B #2B0F27 #2B210F #0F2B13

split-complementary

#0F192B #2B130F #272B0F

monochromatic

#080D17 #080D17 #0F192B #1F3358 #2F4E86

Accessibility & contrast

On white

17.58

#0F192B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0F192B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F192B

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F192B	#FFFFFF	#000000	##FFFFFF
##0F192B	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121A2C

Deuteranopia (green-blind)

#0F182B

Tritanopia (blue-blind)

#031D20

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0f192b;
/* rgb */ color: rgb(15, 25, 43);
/* oklch */ color: oklch(21.4% 0.039 261.5);

Tailwind

colors: {
  custom: {
    50: '#4f5564',
    500: '#0f192b',
    950: '#000000',
  },
}

SCSS

$custom: #0f192b;
$custom-light: #4f5564;
$custom-dark: #000000;

JSON

{
  "hex": "#0f192b",
  "rgb": {
    "r": 15,
    "g": 25,
    "b": 43
  },
  "hsl": {
    "h": 218.571,
    "s": 48.276,
    "l": 11.373
  },
  "oklch": {
    "l": 0.214,
    "c": 0.03867,
    "h": 261.5
  },
  "luminance": 0.00971
}

Semantic roles & 50–950 ramp

primary

#0F192B

secondary

#645232

accent

#A750D8

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020305

muted

#78787A

Preview Lab

Preview with #0F192B

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

Preview Lab → · Contrast checker → · Palette generator →