#0A0C49#0A0C49

#0A0C49 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.1% C 0.109 H 270.9°. Best body text is #FFFFFF at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#0A0C49
RGB	rgb(10, 12, 73)
HSL	hsl(238, 76%, 16%)
HSV	hsv(238, 86%, 29%)
CMYK	cmyk(86.3%, 83.6%, 0%, 71.4%)
CIE-LAB	lab(7.30, 23.82, -37.51)
CIE-LCH	lch(7.30, 44.43, 302.41°)
OKLab	oklab(21.08% 0.0018 -0.1087)
OKLCH	oklch(21.08% 0.109 270.9)
XYZ	xyz(1.4588, 0.8084, 6.3812)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0C49 #49470A

analogous

#0A2C49 #0A0C49 #280A49

triadic

#0A0C49 #490A0C #0C490A

tetradic

#0A0C49 #490A2C #49470A #0A4928

square

#0A0C49 #490A2C #49470A #0A4928

split-complementary

#0A0C49 #49280A #2C490A

monochromatic

#04041B #04041B #0A0C49 #11157F #191EB5

Accessibility & contrast

On white

18.08

#0A0C49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0A0C49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0C49

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0C49	#FFFFFF	#000000	##FFFFFF
##0A0C49	1.00	18.08	1.16	18.08
#FFFFFF	18.08	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00194B

Deuteranopia (green-blind)

#001348

Tritanopia (blue-blind)

#001E2A

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0a0c49;
/* rgb */ color: rgb(10, 12, 73);
/* oklch */ color: oklch(21.1% 0.109 270.9);

Tailwind

colors: {
  custom: {
    50: '#574b7d',
    500: '#0a0c49',
    950: '#000000',
  },
}

SCSS

$custom: #0a0c49;
$custom-light: #574b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0c49",
  "rgb": {
    "r": 10,
    "g": 12,
    "b": 73
  },
  "hsl": {
    "h": 238.095,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.21083,
    "c": 0.10874,
    "h": 270.9
  },
  "luminance": 0.00809
}

Semantic roles & 50–950 ramp

primary

#0A0C49

secondary

#868329

accent

#EC35F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0A0C49

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

Preview Lab → · Contrast checker → · Palette generator →