#0D0340#0D0340

#0D0340 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.6% C 0.106 H 277.4°. Best body text is #FFFFFF at 19.02:1 contrast (WCAG AA passes).

Color values

HEX	#0D0340
RGB	rgb(13, 3, 64)
HSL	hsl(250, 91%, 13%)
HSV	hsv(250, 95%, 25%)
CMYK	cmyk(79.7%, 95.3%, 0%, 74.9%)
CIE-LAB	lab(4.70, 24.66, -35.40)
CIE-LCH	lch(4.70, 43.14, 304.87°)
OKLab	oklab(18.58% 0.0136 -0.1052)
OKLCH	oklch(18.58% 0.106 277.4)
XYZ	xyz(1.1237, 0.5208, 4.8908)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.07

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D0340 #364003

analogous

#031740 #0D0340 #2B0340

triadic

#0D0340 #400D03 #03400D

tetradic

#0D0340 #400317 #364003 #03402B

square

#0D0340 #400317 #364003 #03402B

split-complementary

#0D0340 #402B03 #174003

monochromatic

#06011D #06011D #0D0340 #19067A #2508B5

Accessibility & contrast

On white

19.02

#0D0340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0D0340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D0340

19.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D0340	#FFFFFF	#000000	##FFFFFF
##0D0340	1.00	19.02	1.10	19.02
#FFFFFF	19.02	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001242

Deuteranopia (green-blind)

#000D3F

Tritanopia (blue-blind)

#001622

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0d0340;
/* rgb */ color: rgb(13, 3, 64);
/* oklch */ color: oklch(18.6% 0.106 277.4);

Tailwind

colors: {
  custom: {
    50: '#554676',
    500: '#0d0340',
    950: '#000000',
  },
}

SCSS

$custom: #0d0340;
$custom-light: #554676;
$custom-dark: #000000;

JSON

{
  "hex": "#0d0340",
  "rgb": {
    "r": 13,
    "g": 3,
    "b": 64
  },
  "hsl": {
    "h": 249.836,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.18582,
    "c": 0.10608,
    "h": 277.4
  },
  "luminance": 0.00521
}

Semantic roles & 50–950 ramp

primary

#0D0340

secondary

#71821D

accent

#FF29DC

background

#F5F3F7

surface

#E9E5ED

border

#C5C1C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0D0340

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

Preview Lab → · Contrast checker → · Palette generator →