#0A0648#0A0648

#0A0648 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.0% C 0.114 H 272.2°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#0A0648
RGB	rgb(10, 6, 72)
HSL	hsl(244, 85%, 15%)
HSV	hsv(244, 92%, 28%)
CMYK	cmyk(86.1%, 91.7%, 0%, 71.8%)
CIE-LAB	lab(5.98, 26.61, -38.98)
CIE-LCH	lch(5.98, 47.20, 304.32°)
OKLab	oklab(20% 0.0044 -0.1138)
OKLCH	oklch(20% 0.114 272.2)
XYZ	xyz(1.3596, 0.6625, 6.1859)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0648 #444806

analogous

#062348 #0A0648 #2B0648

triadic

#0A0648 #480A06 #06480A

tetradic

#0A0648 #480623 #444806 #06482B

square

#0A0648 #480623 #444806 #06482B

split-complementary

#0A0648 #482B06 #234806

monochromatic

#04021C #04021C #0A0648 #120B80 #1A0FB9

Accessibility & contrast

On white

18.54

#0A0648 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0A0648 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0648

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0648	#FFFFFF	#000000	##FFFFFF
##0A0648	1.00	18.54	1.13	18.54
#FFFFFF	18.54	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00164A

Deuteranopia (green-blind)

#001047

Tritanopia (blue-blind)

#001B28

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0a0648;
/* rgb */ color: rgb(10, 6, 72);
/* oklch */ color: oklch(20.0% 0.114 272.2);

Tailwind

colors: {
  custom: {
    50: '#57487c',
    500: '#0a0648',
    950: '#000000',
  },
}

SCSS

$custom: #0a0648;
$custom-light: #57487c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0648",
  "rgb": {
    "r": 10,
    "g": 6,
    "b": 72
  },
  "hsl": {
    "h": 243.636,
    "s": 84.615,
    "l": 15.294
  },
  "oklch": {
    "l": 0.19999,
    "c": 0.11384,
    "h": 272.2
  },
  "luminance": 0.00663
}

Semantic roles & 50–950 ramp

primary

#0A0648

secondary

#818723

accent

#FB2DEE

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#040009

muted

#79777B

Preview Lab

Preview with #0A0648

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

Preview Lab → · Contrast checker → · Palette generator →