#0A1649#0A1649

#0A1649 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.0% C 0.096 H 267.6°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#0A1649
RGB	rgb(10, 22, 73)
HSL	hsl(229, 76%, 16%)
HSV	hsv(229, 86%, 29%)
CMYK	cmyk(86.3%, 69.9%, 0%, 71.4%)
CIE-LAB	lab(9.95, 16.68, -33.16)
CIE-LCH	lch(9.95, 37.12, 296.71°)
OKLab	oklab(23.02% -0.004 -0.0959)
OKLCH	oklch(23.02% 0.096 267.6)
XYZ	xyz(1.6143, 1.1192, 6.4330)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1649 #493D0A

analogous

#0A3649 #0A1649 #1E0A49

triadic

#0A1649 #490A16 #16490A

tetradic

#0A1649 #490A36 #493D0A #0A491E

square

#0A1649 #490A36 #493D0A #0A491E

split-complementary

#0A1649 #491E0A #36490A

monochromatic

#04081B #04081B #0A1649 #11267F #1936B5

Accessibility & contrast

On white

17.16

#0A1649 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0A1649 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1649

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1649	#FFFFFF	#000000	##FFFFFF
##0A1649	1.00	17.16	1.22	17.16
#FFFFFF	17.16	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4B

Deuteranopia (green-blind)

#001848

Tritanopia (blue-blind)

#00232D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0a1649;
/* rgb */ color: rgb(10, 22, 73);
/* oklch */ color: oklch(23.0% 0.096 267.6);

Tailwind

colors: {
  custom: {
    50: '#56527c',
    500: '#0a1649',
    950: '#000000',
  },
}

SCSS

$custom: #0a1649;
$custom-light: #56527c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1649",
  "rgb": {
    "r": 10,
    "g": 22,
    "b": 73
  },
  "hsl": {
    "h": 228.571,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23015,
    "c": 0.09599,
    "h": 267.6
  },
  "luminance": 0.01119
}

Semantic roles & 50–950 ramp

primary

#0A1649

secondary

#867429

accent

#CE35F2

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1649

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

Preview Lab → · Contrast checker → · Palette generator →