#0A1849#0A1849

#0A1849 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.093 H 266.7°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#0A1849
RGB	rgb(10, 24, 73)
HSL	hsl(227, 76%, 16%)
HSV	hsv(227, 86%, 29%)
CMYK	cmyk(86.3%, 67.1%, 0%, 71.4%)
CIE-LAB	lab(10.55, 15.14, -32.18)
CIE-LCH	lch(10.55, 35.56, 295.20°)
OKLab	oklab(23.46% -0.0054 -0.093)
OKLCH	oklch(23.46% 0.093 266.7)
XYZ	xyz(1.6540, 1.1986, 6.4462)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1849 #493B0A

analogous

#0A3849 #0A1849 #1C0A49

triadic

#0A1849 #490A18 #18490A

tetradic

#0A1849 #490A38 #493B0A #0A491C

square

#0A1849 #490A38 #493B0A #0A491C

split-complementary

#0A1849 #491C0A #38490A

monochromatic

#04091B #04091B #0A1849 #112A7F #193BB5

Accessibility & contrast

On white

16.94

#0A1849 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0A1849 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1849

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1849	#FFFFFF	#000000	##FFFFFF
##0A1849	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00204B

Deuteranopia (green-blind)

#001A48

Tritanopia (blue-blind)

#00252D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0a1849;
/* rgb */ color: rgb(10, 24, 73);
/* oklch */ color: oklch(23.5% 0.093 266.7);

Tailwind

colors: {
  custom: {
    50: '#55547c',
    500: '#0a1849',
    950: '#000000',
  },
}

SCSS

$custom: #0a1849;
$custom-light: #55547c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1849",
  "rgb": {
    "r": 10,
    "g": 24,
    "b": 73
  },
  "hsl": {
    "h": 226.667,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23459,
    "c": 0.09317,
    "h": 266.7
  },
  "luminance": 0.01199
}

Semantic roles & 50–950 ramp

primary

#0A1849

secondary

#867129

accent

#C835F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1849

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

Preview Lab → · Contrast checker → · Palette generator →