#0F182F#0F182F

#0F182F is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.4% C 0.047 H 266.4°. Best body text is #FFFFFF at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#0F182F
RGB	rgb(15, 24, 47)
HSL	hsl(223, 52%, 12%)
HSV	hsv(223, 68%, 18%)
CMYK	cmyk(68.1%, 48.9%, 0%, 81.6%)
CIE-LAB	lab(8.65, 4.62, -16.66)
CIE-LCH	lch(8.65, 17.29, 285.48°)
OKLab	oklab(21.41% -0.003 -0.0473)
OKLCH	oklch(21.41% 0.047 266.4)
XYZ	xyz(1.0366, 0.9600, 2.8194)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F182F #2F260F

analogous

#0F282F #0F182F #160F2F

triadic

#0F182F #2F0F18 #182F0F

tetradic

#0F182F #2F0F28 #2F260F #0F2F16

square

#0F182F #2F0F28 #2F260F #0F2F16

split-complementary

#0F182F #2F160F #282F0F

monochromatic

#070C17 #070C17 #0F182F #1E305D #2D478C

Accessibility & contrast

On white

17.62

#0F182F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0F182F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F182F

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F182F	#FFFFFF	#000000	##FFFFFF
##0F182F	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)

#0E1A30

Deuteranopia (green-blind)

#0A172F

Tritanopia (blue-blind)

#011D21

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0f182f;
/* rgb */ color: rgb(15, 24, 47);
/* oklch */ color: oklch(21.4% 0.047 266.4);

Tailwind

colors: {
  custom: {
    50: '#505467',
    500: '#0f182f',
    950: '#000000',
  },
}

SCSS

$custom: #0f182f;
$custom-light: #505467;
$custom-dark: #000000;

JSON

{
  "hex": "#0f182f",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 47
  },
  "hsl": {
    "h": 223.125,
    "s": 51.613,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21412,
    "c": 0.04739,
    "h": 266.4
  },
  "luminance": 0.0096
}

Semantic roles & 50–950 ramp

primary

#0F182F

secondary

#695931

accent

#B34DDB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0F182F

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

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