#0F1841#0F1841

#0F1841 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.079 H 269.8°. Best body text is #FFFFFF at 17.11:1 contrast (WCAG AA passes).

Color values

HEX	#0F1841
RGB	rgb(15, 24, 65)
HSL	hsl(229, 63%, 16%)
HSV	hsv(229, 77%, 25%)
CMYK	cmyk(76.9%, 63.1%, 0%, 74.5%)
CIE-LAB	lab(10.08, 12.37, -27.33)
CIE-LCH	lch(10.08, 30.00, 294.36°)
OKLab	oklab(22.95% -0.0003 -0.0786)
OKLCH	oklch(22.95% 0.079 269.8)
XYZ	xyz(1.4774, 1.1363, 5.1415)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1841 #41380F

analogous

#0F3141 #0F1841 #1F0F41

triadic

#0F1841 #410F18 #18410F

tetradic

#0F1841 #410F31 #41380F #0F411F

square

#0F1841 #410F31 #41380F #0F411F

split-complementary

#0F1841 #411F0F #31410F

monochromatic

#060919 #060919 #0F1841 #1A2A73 #263DA4

Accessibility & contrast

On white

17.11

#0F1841 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0F1841 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1841

17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1841	#FFFFFF	#000000	##FFFFFF
##0F1841	1.00	17.11	1.23	17.11
#FFFFFF	17.11	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E42

Deuteranopia (green-blind)

#001940

Tritanopia (blue-blind)

#002229

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0f1841;
/* rgb */ color: rgb(15, 24, 65);
/* oklch */ color: oklch(23.0% 0.079 269.8);

Tailwind

colors: {
  custom: {
    50: '#555476',
    500: '#0f1841',
    950: '#000000',
  },
}

SCSS

$custom: #0f1841;
$custom-light: #555476;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1841",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 65
  },
  "hsl": {
    "h": 229.2,
    "s": 62.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22952,
    "c": 0.07863,
    "h": 269.8
  },
  "luminance": 0.01136
}

Semantic roles & 50–950 ramp

primary

#0F1841

secondary

#7B6E30

accent

#C842E6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0F1841

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

Preview Lab → · Contrast checker → · Palette generator →