#0A0D49#0A0D49

#0A0D49 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.3% C 0.108 H 270.7°. Best body text is #FFFFFF at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#0A0D49
RGB	rgb(10, 13, 73)
HSL	hsl(237, 76%, 16%)
HSV	hsv(237, 86%, 29%)
CMYK	cmyk(86.3%, 82.2%, 0%, 71.4%)
CIE-LAB	lab(7.53, 23.20, -37.14)
CIE-LCH	lch(7.53, 43.79, 301.99°)
OKLab	oklab(21.25% 0.0013 -0.1076)
OKLCH	oklch(21.25% 0.108 270.7)
XYZ	xyz(1.4713, 0.8333, 6.3853)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0D49 #49460A

analogous

#0A2D49 #0A0D49 #270A49

triadic

#0A0D49 #490A0D #0D490A

tetradic

#0A0D49 #490A2D #49460A #0A4927

square

#0A0D49 #490A2D #49460A #0A4927

split-complementary

#0A0D49 #49270A #2D490A

monochromatic

#04051B #04051B #0A0D49 #11177F #1920B5

Accessibility & contrast

On white

18.00

#0A0D49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0A0D49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0D49

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0D49	#FFFFFF	#000000	##FFFFFF
##0A0D49	1.00	18.00	1.17	18.00
#FFFFFF	18.00	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4B

Deuteranopia (green-blind)

#001348

Tritanopia (blue-blind)

#001F2A

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0a0d49;
/* rgb */ color: rgb(10, 13, 73);
/* oklch */ color: oklch(21.3% 0.108 270.7);

Tailwind

colors: {
  custom: {
    50: '#574c7d',
    500: '#0a0d49',
    950: '#000000',
  },
}

SCSS

$custom: #0a0d49;
$custom-light: #574c7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0d49",
  "rgb": {
    "r": 10,
    "g": 13,
    "b": 73
  },
  "hsl": {
    "h": 237.143,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.21251,
    "c": 0.10761,
    "h": 270.7
  },
  "luminance": 0.00833
}

Semantic roles & 50–950 ramp

primary

#0A0D49

secondary

#868129

accent

#E935F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0A0D49

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

Preview Lab → · Contrast checker → · Palette generator →