#0A1646#0A1646

#0A1646 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.091 H 267.5°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#0A1646
RGB	rgb(10, 22, 70)
HSL	hsl(228, 75%, 16%)
HSV	hsv(228, 86%, 27%)
CMYK	cmyk(85.7%, 68.6%, 0%, 72.5%)
CIE-LAB	lab(9.64, 15.36, -31.56)
CIE-LCH	lch(9.64, 35.10, 295.95°)
OKLab	oklab(22.7% -0.0039 -0.0912)
OKLCH	oklch(22.7% 0.091 267.5)
XYZ	xyz(1.5172, 1.0804, 5.9217)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1646 #463A0A

analogous

#0A3446 #0A1646 #1C0A46

triadic

#0A1646 #460A16 #16460A

tetradic

#0A1646 #460A34 #463A0A #0A461C

square

#0A1646 #460A34 #463A0A #0A461C

split-complementary

#0A1646 #461C0A #34460A

monochromatic

#04081B #04081B #0A1646 #12277C #1938B1

Accessibility & contrast

On white

17.27

#0A1646 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0A1646 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1646

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1646	#FFFFFF	#000000	##FFFFFF
##0A1646	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E48

Deuteranopia (green-blind)

#001845

Tritanopia (blue-blind)

#00222B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0a1646;
/* rgb */ color: rgb(10, 22, 70);
/* oklch */ color: oklch(22.7% 0.091 267.5);

Tailwind

colors: {
  custom: {
    50: '#55527a',
    500: '#0a1646',
    950: '#000000',
  },
}

SCSS

$custom: #0a1646;
$custom-light: #55527a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1646",
  "rgb": {
    "r": 10,
    "g": 22,
    "b": 70
  },
  "hsl": {
    "h": 228,
    "s": 75,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22696,
    "c": 0.09132,
    "h": 267.5
  },
  "luminance": 0.01081
}

Semantic roles & 50–950 ramp

primary

#0A1646

secondary

#837129

accent

#CC36F2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1646

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

Preview Lab → · Contrast checker → · Palette generator →