#0F1351#0F1351

#0F1351 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.6% C 0.110 H 271.5°. Best body text is #FFFFFF at 17.04:1 contrast (WCAG AA passes).

Color values

HEX	#0F1351
RGB	rgb(15, 19, 81)
HSL	hsl(236, 69%, 19%)
HSV	hsv(236, 81%, 32%)
CMYK	cmyk(81.5%, 76.5%, 0%, 68.2%)
CIE-LAB	lab(10.27, 22.82, -38.15)
CIE-LCH	lch(10.27, 44.45, 300.89°)
OKLab	oklab(23.59% 0.003 -0.1104)
OKLCH	oklch(23.59% 0.11 271.5)
XYZ	xyz(1.9146, 1.1612, 7.9062)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1351 #514D0F

analogous

#0F3451 #0F1351 #2C0F51

triadic

#0F1351 #510F13 #13510F

tetradic

#0F1351 #510F34 #514D0F #0F512C

square

#0F1351 #510F34 #514D0F #0F512C

split-complementary

#0F1351 #512C0F #34510F

monochromatic

#05061A #05071D #0F1351 #191F85 #222BB8

Accessibility & contrast

On white

17.04

#0F1351 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0F1351 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1351

17.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1351	#FFFFFF	#000000	##FFFFFF
##0F1351	1.00	17.04	1.23	17.04
#FFFFFF	17.04	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F53

Deuteranopia (green-blind)

#001950

Tritanopia (blue-blind)

#002430

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0f1351;
/* rgb */ color: rgb(15, 19, 81);
/* oklch */ color: oklch(23.6% 0.110 271.5);

Tailwind

colors: {
  custom: {
    50: '#5a5183',
    500: '#0f1351',
    950: '#000000',
  },
}

SCSS

$custom: #0f1351;
$custom-light: #5a5183;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1351",
  "rgb": {
    "r": 15,
    "g": 19,
    "b": 81
  },
  "hsl": {
    "h": 236.364,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.23588,
    "c": 0.11043,
    "h": 271.5
  },
  "luminance": 0.01161
}

Semantic roles & 50–950 ramp

primary

#0F1351

secondary

#8B8631

accent

#E13CEC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0F1351

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

Preview Lab → · Contrast checker → · Palette generator →