#0A1746#0A1746

#0A1746 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.9% C 0.090 H 267.0°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#0A1746
RGB	rgb(10, 23, 70)
HSL	hsl(227, 75%, 16%)
HSV	hsv(227, 86%, 27%)
CMYK	cmyk(85.7%, 67.1%, 0%, 72.5%)
CIE-LAB	lab(9.95, 14.59, -31.06)
CIE-LCH	lch(9.95, 34.32, 295.15°)
OKLab	oklab(22.92% -0.0047 -0.0898)
OKLCH	oklch(22.92% 0.09 267)
XYZ	xyz(1.5367, 1.1193, 5.9282)
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

#0A1746 #46390A

analogous

#0A3546 #0A1746 #1B0A46

triadic

#0A1746 #460A17 #17460A

tetradic

#0A1746 #460A35 #46390A #0A461B

square

#0A1746 #460A35 #46390A #0A461B

split-complementary

#0A1746 #461B0A #35460A

monochromatic

#04091B #04091B #0A1746 #12297C #193AB1

Accessibility & contrast

On white

17.16

#0A1746 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0A1746 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1746

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1746	#FFFFFF	#000000	##FFFFFF
##0A1746	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)

#001E48

Deuteranopia (green-blind)

#001945

Tritanopia (blue-blind)

#00232B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0a1746;
/* rgb */ color: rgb(10, 23, 70);
/* oklch */ color: oklch(22.9% 0.090 267.0);

Tailwind

colors: {
  custom: {
    50: '#55537a',
    500: '#0a1746',
    950: '#000000',
  },
}

SCSS

$custom: #0a1746;
$custom-light: #55537a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1746",
  "rgb": {
    "r": 10,
    "g": 23,
    "b": 70
  },
  "hsl": {
    "h": 227,
    "s": 75,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22922,
    "c": 0.08988,
    "h": 267
  },
  "luminance": 0.0112
}

Semantic roles & 50–950 ramp

primary

#0A1746

secondary

#836F29

accent

#C936F2

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1746

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

Preview Lab → · Contrast checker → · Palette generator →