#0A0A44#0A0A44

#0A0A44 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.1% C 0.104 H 272.1°. Best body text is #FFFFFF at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#0A0A44
RGB	rgb(10, 10, 68)
HSL	hsl(240, 74%, 15%)
HSV	hsv(240, 85%, 27%)
CMYK	cmyk(85.3%, 85.3%, 0%, 73.3%)
CIE-LAB	lab(6.31, 22.69, -35.62)
CIE-LCH	lch(6.31, 42.23, 302.49°)
OKLab	oklab(20.11% 0.0037 -0.1038)
OKLCH	oklch(20.11% 0.104 272.1)
XYZ	xyz(1.2768, 0.6988, 5.5353)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0A44 #44440A

analogous

#0A2744 #0A0A44 #270A44

triadic

#0A0A44 #440A0A #0A440A

tetradic

#0A0A44 #440A27 #44440A #0A4427

square

#0A0A44 #440A27 #44440A #0A4427

split-complementary

#0A0A44 #44270A #27440A

monochromatic

#04041B #04041B #0A0A44 #121279 #1A1AAF

Accessibility & contrast

On white

18.42

#0A0A44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0A0A44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0A44

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0A44	#FFFFFF	#000000	##FFFFFF
##0A0A44	1.00	18.42	1.14	18.42
#FFFFFF	18.42	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001746

Deuteranopia (green-blind)

#001143

Tritanopia (blue-blind)

#001B26

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0a0a44;
/* rgb */ color: rgb(10, 10, 68);
/* oklch */ color: oklch(20.1% 0.104 272.1);

Tailwind

colors: {
  custom: {
    50: '#554a79',
    500: '#0a0a44',
    950: '#000000',
  },
}

SCSS

$custom: #0a0a44;
$custom-light: #554a79;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0a44",
  "rgb": {
    "r": 10,
    "g": 10,
    "b": 68
  },
  "hsl": {
    "h": 240,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.20114,
    "c": 0.10385,
    "h": 272.1
  },
  "luminance": 0.00699
}

Semantic roles & 50–950 ramp

primary

#0A0A44

secondary

#818129

accent

#F137F1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0A0A44

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

Preview Lab → · Contrast checker → · Palette generator →