#0F105C#0F105C

#0F105C is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.4% C 0.129 H 271.1°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#0F105C
RGB	rgb(15, 16, 92)
HSL	hsl(239, 72%, 21%)
HSV	hsv(239, 84%, 36%)
CMYK	cmyk(83.7%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(10.88, 29.03, -44.61)
CIE-LCH	lch(10.88, 53.22, 303.06°)
OKLab	oklab(24.42% 0.0024 -0.1292)
OKLCH	oklch(24.42% 0.129 271.1)
XYZ	xyz(2.3134, 1.2446, 10.2414)
Luminance	0.0124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F105C #5C5B0F

analogous

#0F365C #0F105C #340F5C

triadic

#0F105C #5C0F10 #105C0F

tetradic

#0F105C #5C0F36 #5C5B0F #0F5C34

square

#0F105C #5C0F36 #5C5B0F #0F5C34

split-complementary

#0F105C #5C340F #365C0F

monochromatic

#04051A #060727 #0F105C #181991 #2022C5

Accessibility & contrast

On white

16.81

#0F105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0F105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F105C

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F105C	#FFFFFF	#000000	##FFFFFF
##0F105C	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215E

Deuteranopia (green-blind)

#00195B

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0f105c;
/* rgb */ color: rgb(15, 16, 92);
/* oklch */ color: oklch(24.4% 0.129 271.1);

Tailwind

colors: {
  custom: {
    50: '#5e4f8b',
    500: '#0f105c',
    950: '#000000',
  },
}

SCSS

$custom: #0f105c;
$custom-light: #5e4f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f105c",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 239.221,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.24417,
    "c": 0.12918,
    "h": 271.1
  },
  "luminance": 0.01245
}

Semantic roles & 50–950 ramp

primary

#0F105C

secondary

#959431

accent

#EC39EF

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #0F105C

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

Preview Lab → · Contrast checker → · Palette generator →