#0A0937#0A0937

#0A0937 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.3% C 0.086 H 274.8°. Best body text is #FFFFFF at 18.97:1 contrast (WCAG AA passes).

Color values

HEX	#0A0937
RGB	rgb(10, 9, 55)
HSL	hsl(241, 72%, 13%)
HSV	hsv(241, 84%, 22%)
CMYK	cmyk(81.8%, 83.6%, 0%, 78.4%)
CIE-LAB	lab(4.84, 16.43, -28.67)
CIE-LCH	lch(4.84, 33.05, 299.82°)
OKLab	oklab(18.29% 0.0072 -0.0856)
OKLCH	oklch(18.29% 0.086 274.8)
XYZ	xyz(0.9122, 0.5357, 3.6690)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0937 #363709

analogous

#091F37 #0A0937 #210937

triadic

#0A0937 #370A09 #09370A

tetradic

#0A0937 #37091F #363709 #093721

square

#0A0937 #37091F #363709 #093721

split-complementary

#0A0937 #372109 #1F3709

monochromatic

#05041A #05041A #0A0937 #14126C #1D1AA0

Accessibility & contrast

On white

18.97

#0A0937 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A0937 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0937

18.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0937	#FFFFFF	#000000	##FFFFFF
##0A0937	1.00	18.97	1.11	18.97
#FFFFFF	18.97	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001338

Deuteranopia (green-blind)

#000E36

Tritanopia (blue-blind)

#00161F

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0a0937;
/* rgb */ color: rgb(10, 9, 55);
/* oklch */ color: oklch(18.3% 0.086 274.8);

Tailwind

colors: {
  custom: {
    50: '#504a6e',
    500: '#0a0937',
    950: '#000000',
  },
}

SCSS

$custom: #0a0937;
$custom-light: #504a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0937",
  "rgb": {
    "r": 10,
    "g": 9,
    "b": 55
  },
  "hsl": {
    "h": 241.304,
    "s": 71.875,
    "l": 12.549
  },
  "oklch": {
    "l": 0.18292,
    "c": 0.08588,
    "h": 274.8
  },
  "luminance": 0.00536
}

Semantic roles & 50–950 ramp

primary

#0A0937

secondary

#737527

accent

#EF39EB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #0A0937

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

Preview Lab → · Contrast checker → · Palette generator →