#0A0733#0A0733

#0A0733 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.4% C 0.083 H 276.8°. Best body text is #FFFFFF at 19.24:1 contrast (WCAG AA passes).

Color values

HEX	#0A0733
RGB	rgb(10, 7, 51)
HSL	hsl(244, 76%, 11%)
HSV	hsv(244, 86%, 20%)
CMYK	cmyk(80.4%, 86.3%, 0%, 80%)
CIE-LAB	lab(4.11, 14.98, -26.89)
CIE-LCH	lch(4.11, 30.78, 299.12°)
OKLab	oklab(17.38% 0.0097 -0.0821)
OKLCH	oklch(17.38% 0.083 276.8)
XYZ	xyz(0.7985, 0.4554, 3.1772)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0733 #303307

analogous

#071A33 #0A0733 #200733

triadic

#0A0733 #330A07 #07330A

tetradic

#0A0733 #33071A #303307 #073320

square

#0A0733 #33071A #303307 #073320

split-complementary

#0A0733 #332007 #1A3307

monochromatic

#05041B #05041B #0A0733 #150E69 #1F169F

Accessibility & contrast

On white

19.24

#0A0733 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0A0733 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0733

19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0733	#FFFFFF	#000000	##FFFFFF
##0A0733	1.00	19.24	1.09	19.24
#FFFFFF	19.24	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001034

Deuteranopia (green-blind)

#000D32

Tritanopia (blue-blind)

#00131C

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0a0733;
/* rgb */ color: rgb(10, 7, 51);
/* oklch */ color: oklch(17.4% 0.083 276.8);

Tailwind

colors: {
  custom: {
    50: '#4f496b',
    500: '#0a0733',
    950: '#000000',
  },
}

SCSS

$custom: #0a0733;
$custom-light: #4f496b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0733",
  "rgb": {
    "r": 10,
    "g": 7,
    "b": 51
  },
  "hsl": {
    "h": 244.091,
    "s": 75.862,
    "l": 11.373
  },
  "oklch": {
    "l": 0.17384,
    "c": 0.08269,
    "h": 276.8
  },
  "luminance": 0.00456
}

Semantic roles & 50–950 ramp

primary

#0A0733

secondary

#6D7323

accent

#F235E6

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0A0733

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

Preview Lab → · Contrast checker → · Palette generator →