#0F105E#0F105E

#0F105E is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.7% C 0.132 H 270.9°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#0F105E
RGB	rgb(15, 16, 94)
HSL	hsl(239, 72%, 21%)
HSV	hsv(239, 84%, 37%)
CMYK	cmyk(84%, 83%, 0%, 63.1%)
CIE-LAB	lab(11.13, 29.77, -45.53)
CIE-LCH	lch(11.13, 54.40, 303.18°)
OKLab	oklab(24.67% 0.002 -0.1318)
OKLCH	oklch(24.67% 0.132 270.9)
XYZ	xyz(2.4020, 1.2800, 10.7080)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F105E #5E5D0F

analogous

#0F385E #0F105E #360F5E

triadic

#0F105E #5E0F10 #105E0F

tetradic

#0F105E #5E0F38 #5E5D0F #0F5E36

square

#0F105E #5E0F38 #5E5D0F #0F5E36

split-complementary

#0F105E #5E360F #385E0F

monochromatic

#04041A #070729 #0F105E #171993 #2022C8

Accessibility & contrast

On white

16.72

#0F105E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0F105E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F105E

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F105E	#FFFFFF	#000000	##FFFFFF
##0F105E	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002260

Deuteranopia (green-blind)

#001A5D

Tritanopia (blue-blind)

#002837

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0f105e;
/* rgb */ color: rgb(15, 16, 94);
/* oklch */ color: oklch(24.7% 0.132 270.9);

Tailwind

colors: {
  custom: {
    50: '#5e4f8d',
    500: '#0f105e',
    950: '#000000',
  },
}

SCSS

$custom: #0f105e;
$custom-light: #5e4f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f105e",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 94
  },
  "hsl": {
    "h": 239.241,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.24668,
    "c": 0.13186,
    "h": 270.9
  },
  "luminance": 0.0128
}

Semantic roles & 50–950 ramp

primary

#0F105E

secondary

#979631

accent

#ED39EF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #0F105E

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

Preview Lab → · Contrast checker → · Palette generator →