#0F152F#0F152F

#0F152F is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.6% C 0.052 H 271.4°. Best body text is #FFFFFF at 17.97:1 contrast (WCAG AA passes).

Color values

HEX	#0F152F
RGB	rgb(15, 21, 47)
HSL	hsl(229, 52%, 12%)
HSV	hsv(229, 68%, 18%)
CMYK	cmyk(68.1%, 55.3%, 0%, 81.6%)
CIE-LAB	lab(7.62, 6.96, -18.32)
CIE-LCH	lch(7.62, 19.60, 290.82°)
OKLab	oklab(20.61% 0.0013 -0.0522)
OKLCH	oklch(20.61% 0.052 271.4)
XYZ	xyz(0.9781, 0.8431, 2.8000)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F152F #2F290F

analogous

#0F252F #0F152F #190F2F

triadic

#0F152F #2F0F15 #152F0F

tetradic

#0F152F #2F0F25 #2F290F #0F2F19

square

#0F152F #2F0F25 #2F290F #0F2F19

split-complementary

#0F152F #2F190F #252F0F

monochromatic

#070A17 #070A17 #0F152F #1E2A5D #2D3E8C

Accessibility & contrast

On white

17.97

#0F152F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F152F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F152F

17.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F152F	#FFFFFF	#000000	##FFFFFF
##0F152F	1.00	17.97	1.17	17.97
#FFFFFF	17.97	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#091830

Deuteranopia (green-blind)

#06152E

Tritanopia (blue-blind)

#011B1F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f152f;
/* rgb */ color: rgb(15, 21, 47);
/* oklch */ color: oklch(20.6% 0.052 271.4);

Tailwind

colors: {
  custom: {
    50: '#505167',
    500: '#0f152f',
    950: '#000000',
  },
}

SCSS

$custom: #0f152f;
$custom-light: #505167;
$custom-dark: #000000;

JSON

{
  "hex": "#0f152f",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 47
  },
  "hsl": {
    "h": 228.75,
    "s": 51.613,
    "l": 12.157
  },
  "oklch": {
    "l": 0.20611,
    "c": 0.05223,
    "h": 271.4
  },
  "luminance": 0.00843
}

Semantic roles & 50–950 ramp

primary

#0F152F

secondary

#695E31

accent

#C04DDB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0F152F

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

Preview Lab → · Contrast checker → · Palette generator →