#0F105D#0F105D

#0F105D is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.5% C 0.131 H 271.0°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#0F105D
RGB	rgb(15, 16, 93)
HSL	hsl(239, 72%, 21%)
HSV	hsv(239, 84%, 36%)
CMYK	cmyk(83.9%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(11.01, 29.40, -45.07)
CIE-LCH	lch(11.01, 53.81, 303.12°)
OKLab	oklab(24.54% 0.0022 -0.1305)
OKLCH	oklch(24.54% 0.131 271)
XYZ	xyz(2.3574, 1.2622, 10.4732)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F105D #5D5C0F

analogous

#0F375D #0F105D #350F5D

triadic

#0F105D #5D0F10 #105D0F

tetradic

#0F105D #5D0F37 #5D5C0F #0F5D35

square

#0F105D #5D0F37 #5D5C0F #0F5D35

split-complementary

#0F105D #5D350F #375D0F

monochromatic

#04051A #060728 #0F105D #171992 #2022C6

Accessibility & contrast

On white

16.77

#0F105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0F105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F105D

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F105D	#FFFFFF	#000000	##FFFFFF
##0F105D	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215F

Deuteranopia (green-blind)

#00195C

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0f105d;
/* rgb */ color: rgb(15, 16, 93);
/* oklch */ color: oklch(24.5% 0.131 271.0);

Tailwind

colors: {
  custom: {
    50: '#5e4f8c',
    500: '#0f105d',
    950: '#000000',
  },
}

SCSS

$custom: #0f105d;
$custom-light: #5e4f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f105d",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 239.231,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.24542,
    "c": 0.13052,
    "h": 271
  },
  "luminance": 0.01262
}

Semantic roles & 50–950 ramp

primary

#0F105D

secondary

#969531

accent

#ED39EF

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #0F105D

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

Preview Lab → · Contrast checker → · Palette generator →