#0A1447#0A1447

#0A1447 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.4% C 0.096 H 268.5°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#0A1447
RGB	rgb(10, 20, 71)
HSL	hsl(230, 75%, 16%)
HSV	hsv(230, 86%, 28%)
CMYK	cmyk(85.9%, 71.8%, 0%, 72.2%)
CIE-LAB	lab(9.15, 17.34, -33.06)
CIE-LCH	lch(9.15, 37.33, 297.67°)
OKLab	oklab(22.37% -0.0025 -0.0956)
OKLCH	oklch(22.37% 0.096 268.5)
XYZ	xyz(1.5123, 1.0196, 6.0771)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1447 #473D0A

analogous

#0A3247 #0A1447 #1E0A47

triadic

#0A1447 #470A14 #14470A

tetradic

#0A1447 #470A32 #473D0A #0A471E

square

#0A1447 #470A32 #473D0A #0A471E

split-complementary

#0A1447 #471E0A #32470A

monochromatic

#04081B #04081B #0A1447 #12237D #1932B2

Accessibility & contrast

On white

17.44

#0A1447 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0A1447 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1447

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1447	#FFFFFF	#000000	##FFFFFF
##0A1447	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D49

Deuteranopia (green-blind)

#001746

Tritanopia (blue-blind)

#00212B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0a1447;
/* rgb */ color: rgb(10, 20, 71);
/* oklch */ color: oklch(22.4% 0.096 268.5);

Tailwind

colors: {
  custom: {
    50: '#55517b',
    500: '#0a1447',
    950: '#000000',
  },
}

SCSS

$custom: #0a1447;
$custom-light: #55517b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1447",
  "rgb": {
    "r": 10,
    "g": 20,
    "b": 71
  },
  "hsl": {
    "h": 230.164,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.22366,
    "c": 0.09568,
    "h": 268.5
  },
  "luminance": 0.0102
}

Semantic roles & 50–950 ramp

primary

#0A1447

secondary

#847529

accent

#D336F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1447

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

Preview Lab → · Contrast checker → · Palette generator →