#0F115B#0F115B

#0F115B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.4% C 0.127 H 271.0°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#0F115B
RGB	rgb(15, 17, 91)
HSL	hsl(238, 72%, 21%)
HSV	hsv(238, 84%, 36%)
CMYK	cmyk(83.5%, 81.3%, 0%, 64.3%)
CIE-LAB	lab(10.97, 28.04, -43.78)
CIE-LCH	lch(10.97, 51.99, 302.64°)
OKLab	oklab(24.45% 0.0022 -0.1268)
OKLCH	oklch(24.45% 0.127 271)
XYZ	xyz(2.2851, 1.2575, 10.0178)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F115B #5B590F

analogous

#0F375B #0F115B #330F5B

triadic

#0F115B #5B0F11 #115B0F

tetradic

#0F115B #5B0F37 #5B590F #0F5B33

square

#0F115B #5B0F37 #5B590F #0F5B33

split-complementary

#0F115B #5B330F #375B0F

monochromatic

#04051A #060726 #0F115B #181B90 #2025C4

Accessibility & contrast

On white

16.78

#0F115B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0F115B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F115B

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F115B	#FFFFFF	#000000	##FFFFFF
##0F115B	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001A5A

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0f115b;
/* rgb */ color: rgb(15, 17, 91);
/* oklch */ color: oklch(24.4% 0.127 271.0);

Tailwind

colors: {
  custom: {
    50: '#5d508a',
    500: '#0f115b',
    950: '#000000',
  },
}

SCSS

$custom: #0f115b;
$custom-light: #5d508a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f115b",
  "rgb": {
    "r": 15,
    "g": 17,
    "b": 91
  },
  "hsl": {
    "h": 238.421,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24446,
    "c": 0.12679,
    "h": 271
  },
  "luminance": 0.01258
}

Semantic roles & 50–950 ramp

primary

#0F115B

secondary

#959231

accent

#EA39EE

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #0F115B

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

Preview Lab → · Contrast checker → · Palette generator →