#0D0440#0D0440

#0D0440 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.8% C 0.105 H 277.1°. Best body text is #FFFFFF at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#0D0440
RGB	rgb(13, 4, 64)
HSL	hsl(249, 88%, 13%)
HSV	hsv(249, 94%, 25%)
CMYK	cmyk(79.7%, 93.8%, 0%, 74.9%)
CIE-LAB	lab(4.90, 24.18, -35.08)
CIE-LCH	lch(4.90, 42.60, 304.58°)
OKLab	oklab(18.77% 0.0129 -0.1039)
OKLCH	oklch(18.77% 0.105 277.1)
XYZ	xyz(1.1345, 0.5425, 4.8944)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.17

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D0440 #374004

analogous

#041940 #0D0440 #2B0440

triadic

#0D0440 #400D04 #04400D

tetradic

#0D0440 #400419 #374004 #04402B

square

#0D0440 #400419 #374004 #04402B

split-complementary

#0D0440 #402B04 #194004

monochromatic

#06021D #06021D #0D0440 #19087A #240BB3

Accessibility & contrast

On white

18.94

#0D0440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0D0440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D0440

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D0440	#FFFFFF	#000000	##FFFFFF
##0D0440	1.00	18.94	1.11	18.94
#FFFFFF	18.94	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.94	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: #0d0440;
/* rgb */ color: rgb(13, 4, 64);
/* oklch */ color: oklch(18.8% 0.105 277.1);

Tailwind

colors: {
  custom: {
    50: '#554776',
    500: '#0d0440',
    950: '#000000',
  },
}

SCSS

$custom: #0d0440;
$custom-light: #554776;
$custom-dark: #000000;

JSON

{
  "hex": "#0d0440",
  "rgb": {
    "r": 13,
    "g": 4,
    "b": 64
  },
  "hsl": {
    "h": 249,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.1877,
    "c": 0.10471,
    "h": 277.1
  },
  "luminance": 0.00543
}

Semantic roles & 50–950 ramp

primary

#0D0440

secondary

#72811F

accent

#FE29DE

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0D0440

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

Preview Lab → · Contrast checker → · Palette generator →