#0A1546#0A1546

#0A1546 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.5% C 0.093 H 268.0°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#0A1546
RGB	rgb(10, 21, 70)
HSL	hsl(229, 75%, 16%)
HSV	hsv(229, 86%, 27%)
CMYK	cmyk(85.7%, 70%, 0%, 72.5%)
CIE-LAB	lab(9.34, 16.13, -32.05)
CIE-LCH	lch(9.34, 35.88, 296.71°)
OKLab	oklab(22.47% -0.0032 -0.0927)
OKLCH	oklch(22.47% 0.093 268)
XYZ	xyz(1.4984, 1.0429, 5.9155)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1546 #463B0A

analogous

#0A3346 #0A1546 #1D0A46

triadic

#0A1546 #460A15 #15460A

tetradic

#0A1546 #460A33 #463B0A #0A461D

square

#0A1546 #460A33 #463B0A #0A461D

split-complementary

#0A1546 #461D0A #33460A

monochromatic

#04081B #04081B #0A1546 #12257C #1935B1

Accessibility & contrast

On white

17.38

#0A1546 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0A1546 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1546

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1546	#FFFFFF	#000000	##FFFFFF
##0A1546	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D48

Deuteranopia (green-blind)

#001745

Tritanopia (blue-blind)

#00222B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0a1546;
/* rgb */ color: rgb(10, 21, 70);
/* oklch */ color: oklch(22.5% 0.093 268.0);

Tailwind

colors: {
  custom: {
    50: '#55527a',
    500: '#0a1546',
    950: '#000000',
  },
}

SCSS

$custom: #0a1546;
$custom-light: #55527a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1546",
  "rgb": {
    "r": 10,
    "g": 21,
    "b": 70
  },
  "hsl": {
    "h": 229,
    "s": 75,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22474,
    "c": 0.09273,
    "h": 268
  },
  "luminance": 0.01043
}

Semantic roles & 50–950 ramp

primary

#0A1546

secondary

#837229

accent

#CF36F2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1546

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

Preview Lab → · Contrast checker → · Palette generator →