#0F105F#0F105F

#0F105F is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.8% C 0.133 H 270.8°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#0F105F
RGB	rgb(15, 16, 95)
HSL	hsl(239, 73%, 22%)
HSV	hsv(239, 84%, 37%)
CMYK	cmyk(84.2%, 83.2%, 0%, 62.7%)
CIE-LAB	lab(11.26, 30.13, -45.99)
CIE-LCH	lch(11.26, 54.98, 303.23°)
OKLab	oklab(24.8% 0.0018 -0.1332)
OKLCH	oklch(24.8% 0.133 270.8)
XYZ	xyz(2.4472, 1.2981, 10.9458)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F105F #5F5E0F

analogous

#0F385F #0F105F #360F5F

triadic

#0F105F #5F0F10 #105F0F

tetradic

#0F105F #5F0F38 #5F5E0F #0F5F36

square

#0F105F #5F0F38 #5F5E0F #0F5F36

split-complementary

#0F105F #5F360F #385F0F

monochromatic

#04041A #07072A #0F105F #171994 #2022C9

Accessibility & contrast

On white

16.67

#0F105F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0F105F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F105F

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F105F	#FFFFFF	#000000	##FFFFFF
##0F105F	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002261

Deuteranopia (green-blind)

#001A5E

Tritanopia (blue-blind)

#002837

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0f105f;
/* rgb */ color: rgb(15, 16, 95);
/* oklch */ color: oklch(24.8% 0.133 270.8);

Tailwind

colors: {
  custom: {
    50: '#5f508d',
    500: '#0f105f',
    950: '#000000',
  },
}

SCSS

$custom: #0f105f;
$custom-light: #5f508d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f105f",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 95
  },
  "hsl": {
    "h": 239.25,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.24795,
    "c": 0.13319,
    "h": 270.8
  },
  "luminance": 0.01298
}

Semantic roles & 50–950 ramp

primary

#0F105F

secondary

#989732

accent

#ED38EF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #0F105F

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

Preview Lab → · Contrast checker → · Palette generator →