#0A0C4A#0A0C4A

#0A0C4A is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.2% C 0.110 H 270.8°. Best body text is #FFFFFF at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#0A0C4A
RGB	rgb(10, 12, 74)
HSL	hsl(238, 76%, 16%)
HSV	hsv(238, 86%, 29%)
CMYK	cmyk(86.5%, 83.8%, 0%, 71%)
CIE-LAB	lab(7.42, 24.24, -38.01)
CIE-LCH	lch(7.42, 45.08, 302.53°)
OKLab	oklab(21.21% 0.0016 -0.1101)
OKLCH	oklch(21.21% 0.11 270.8)
XYZ	xyz(1.4923, 0.8217, 6.5572)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0C4A #4A480A

analogous

#0A2C4A #0A0C4A #280A4A

triadic

#0A0C4A #4A0A0C #0C4A0A

tetradic

#0A0C4A #4A0A2C #4A480A #0A4A28

square

#0A0C4A #4A0A2C #4A480A #0A4A28

split-complementary

#0A0C4A #4A280A #2C4A0A

monochromatic

#04041B #04041B #0A0C4A #111580 #191DB6

Accessibility & contrast

On white

18.04

#0A0C4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0A0C4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0C4A

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0C4A	#FFFFFF	#000000	##FFFFFF
##0A0C4A	1.00	18.04	1.16	18.04
#FFFFFF	18.04	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A4C

Deuteranopia (green-blind)

#001349

Tritanopia (blue-blind)

#001E2A

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0a0c4a;
/* rgb */ color: rgb(10, 12, 74);
/* oklch */ color: oklch(21.2% 0.110 270.8);

Tailwind

colors: {
  custom: {
    50: '#574b7d',
    500: '#0a0c4a',
    950: '#000000',
  },
}

SCSS

$custom: #0a0c4a;
$custom-light: #574b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0c4a",
  "rgb": {
    "r": 10,
    "g": 12,
    "b": 74
  },
  "hsl": {
    "h": 238.125,
    "s": 76.19,
    "l": 16.471
  },
  "oklch": {
    "l": 0.21211,
    "c": 0.11015,
    "h": 270.8
  },
  "luminance": 0.00822
}

Semantic roles & 50–950 ramp

primary

#0A0C4A

secondary

#878429

accent

#ED35F3

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0A0C4A

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

Preview Lab → · Contrast checker → · Palette generator →