#0D0540#0D0540

#0D0540 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.0% C 0.103 H 276.8°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#0D0540
RGB	rgb(13, 5, 64)
HSL	hsl(248, 86%, 14%)
HSV	hsv(248, 92%, 25%)
CMYK	cmyk(79.7%, 92.2%, 0%, 74.9%)
CIE-LAB	lab(5.10, 23.70, -34.76)
CIE-LCH	lch(5.10, 42.07, 304.29°)
OKLab	oklab(18.95% 0.0123 -0.1026)
OKLCH	oklch(18.95% 0.103 276.8)
XYZ	xyz(1.1454, 0.5642, 4.8980)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.29

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D0540 #384005

analogous

#051A40 #0D0540 #2A0540

triadic

#0D0540 #400D05 #05400D

tetradic

#0D0540 #40051A #384005 #05402A

square

#0D0540 #40051A #384005 #05402A

split-complementary

#0D0540 #402A05 #1A4005

monochromatic

#06021C #06021C #0D0540 #190979 #240EB2

Accessibility & contrast

On white

18.87

#0D0540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0D0540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D0540

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D0540	#FFFFFF	#000000	##FFFFFF
##0D0540	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001342

Deuteranopia (green-blind)

#000E3F

Tritanopia (blue-blind)

#001723

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0d0540;
/* rgb */ color: rgb(13, 5, 64);
/* oklch */ color: oklch(19.0% 0.103 276.8);

Tailwind

colors: {
  custom: {
    50: '#554776',
    500: '#0d0540',
    950: '#000000',
  },
}

SCSS

$custom: #0d0540;
$custom-light: #554776;
$custom-dark: #000000;

JSON

{
  "hex": "#0d0540",
  "rgb": {
    "r": 13,
    "g": 5,
    "b": 64
  },
  "hsl": {
    "h": 248.136,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.18954,
    "c": 0.10338,
    "h": 276.8
  },
  "luminance": 0.00564
}

Semantic roles & 50–950 ramp

primary

#0D0540

secondary

#738120

accent

#FC2CE0

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0D0540

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

Preview Lab → · Contrast checker → · Palette generator →