#0F104B#0F104B

#0F104B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.105 H 273.1°. Best body text is #FFFFFF at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#0F104B
RGB	rgb(15, 16, 75)
HSL	hsl(239, 67%, 18%)
HSV	hsv(239, 80%, 29%)
CMYK	cmyk(80%, 78.7%, 0%, 70.6%)
CIE-LAB	lab(8.82, 22.52, -36.38)
CIE-LCH	lch(8.82, 42.79, 301.75°)
OKLab	oklab(22.34% 0.0058 -0.1052)
OKLCH	oklch(22.34% 0.105 273.1)
XYZ	xyz(1.6519, 0.9800, 6.7573)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F104B #4B4A0F

analogous

#0F2E4B #0F104B #2C0F4B

triadic

#0F104B #4B0F10 #104B0F

tetradic

#0F104B #4B0F2E #4B4A0F #0F4B2C

square

#0F104B #4B0F2E #4B4A0F #0F4B2C

split-complementary

#0F104B #4B2C0F #2E4B0F

monochromatic

#05051A #05051A #0F104B #191B7E #2326B1

Accessibility & contrast

On white

17.56

#0F104B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0F104B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F104B

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F104B	#FFFFFF	#000000	##FFFFFF
##0F104B	1.00	17.56	1.20	17.56
#FFFFFF	17.56	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4D

Deuteranopia (green-blind)

#00164A

Tritanopia (blue-blind)

#00212C

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0f104b;
/* rgb */ color: rgb(15, 16, 75);
/* oklch */ color: oklch(22.3% 0.105 273.1);

Tailwind

colors: {
  custom: {
    50: '#594e7e',
    500: '#0f104b',
    950: '#000000',
  },
}

SCSS

$custom: #0f104b;
$custom-light: #594e7e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f104b",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 75
  },
  "hsl": {
    "h": 239,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.22344,
    "c": 0.1054,
    "h": 273.1
  },
  "luminance": 0.0098
}

Semantic roles & 50–950 ramp

primary

#0F104B

secondary

#858430

accent

#E73EEA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0F104B

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

Preview Lab → · Contrast checker → · Palette generator →