#0A092A#0A092A

#0A092A is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.8% C 0.065 H 278.1°. Best body text is #FFFFFF at 19.35:1 contrast (WCAG AA passes).

Color values

HEX	#0A092A
RGB	rgb(10, 9, 42)
HSL	hsl(242, 65%, 10%)
HSV	hsv(242, 79%, 16%)
CMYK	cmyk(76.2%, 78.6%, 0%, 83.5%)
CIE-LAB	lab(3.86, 9.62, -20.55)
CIE-LCH	lch(3.86, 22.69, 295.07°)
OKLab	oklab(16.77% 0.0092 -0.0643)
OKLCH	oklch(16.77% 0.065 278.1)
XYZ	xyz(0.6406, 0.4270, 2.2387)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.27

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A092A #292A09

analogous

#09192A #0A092A #1A092A

triadic

#0A092A #2A0A09 #092A0A

tetradic

#0A092A #2A0919 #292A09 #092A1A

square

#0A092A #2A0919 #292A09 #092A1A

split-complementary

#0A092A #2A1A09 #192A09

monochromatic

#060519 #060519 #0A092A #16145C #221F8F

Accessibility & contrast

On white

19.35

#0A092A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0A092A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A092A

19.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A092A	#FFFFFF	#000000	##FFFFFF
##0A092A	1.00	19.35	1.09	19.35
#FFFFFF	19.35	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2B

Deuteranopia (green-blind)

#000C29

Tritanopia (blue-blind)

#001118

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0a092a;
/* rgb */ color: rgb(10, 9, 42);
/* oklch */ color: oklch(16.8% 0.065 278.1);

Tailwind

colors: {
  custom: {
    50: '#4c4a64',
    500: '#0a092a',
    950: '#000000',
  },
}

SCSS

$custom: #0a092a;
$custom-light: #4c4a64;
$custom-dark: #000000;

JSON

{
  "hex": "#0a092a",
  "rgb": {
    "r": 10,
    "g": 9,
    "b": 42
  },
  "hsl": {
    "h": 241.818,
    "s": 64.706,
    "l": 10
  },
  "oklch": {
    "l": 0.16774,
    "c": 0.06499,
    "h": 278.1
  },
  "luminance": 0.00427
}

Semantic roles & 50–950 ramp

primary

#0A092A

secondary

#666827

accent

#E840E3

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010105

muted

#777779

Preview Lab

Preview with #0A092A

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

Preview Lab → · Contrast checker → · Palette generator →