#0F152D#0F152D

#0F152D is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.4% C 0.049 H 271.0°. Best body text is #FFFFFF at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#0F152D
RGB	rgb(15, 21, 45)
HSL	hsl(228, 50%, 12%)
HSV	hsv(228, 67%, 18%)
CMYK	cmyk(66.7%, 53.3%, 0%, 82.4%)
CIE-LAB	lab(7.47, 6.10, -17.07)
CIE-LCH	lch(7.47, 18.12, 289.67°)
OKLab	oklab(20.45% 0.0009 -0.0486)
OKLCH	oklch(20.45% 0.049 271)
XYZ	xyz(0.9387, 0.8273, 2.5923)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F152D #2D270F

analogous

#0F242D #0F152D #180F2D

triadic

#0F152D #2D0F15 #152D0F

tetradic

#0F152D #2D0F24 #2D270F #0F2D18

square

#0F152D #2D0F24 #2D270F #0F2D18

split-complementary

#0F152D #2D180F #242D0F

monochromatic

#080B17 #080B17 #0F152D #1E2A5B #2E4089

Accessibility & contrast

On white

18.02

#0F152D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F152D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F152D

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F152D	#FFFFFF	#000000	##FFFFFF
##0F152D	1.00	18.02	1.17	18.02
#FFFFFF	18.02	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B182E

Deuteranopia (green-blind)

#07152C

Tritanopia (blue-blind)

#021A1E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0f152d;
/* rgb */ color: rgb(15, 21, 45);
/* oklch */ color: oklch(20.4% 0.049 271.0);

Tailwind

colors: {
  custom: {
    50: '#505166',
    500: '#0f152d',
    950: '#000000',
  },
}

SCSS

$custom: #0f152d;
$custom-light: #505166;
$custom-dark: #000000;

JSON

{
  "hex": "#0f152d",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 45
  },
  "hsl": {
    "h": 228,
    "s": 50,
    "l": 11.765
  },
  "oklch": {
    "l": 0.2045,
    "c": 0.04858,
    "h": 271
  },
  "luminance": 0.00827
}

Semantic roles & 50–950 ramp

primary

#0F152D

secondary

#665C31

accent

#BE4EDA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0F152D

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

Preview Lab → · Contrast checker → · Palette generator →