#0A0B44#0A0B44

#0A0B44 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.3% C 0.103 H 271.8°. Best body text is #FFFFFF at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#0A0B44
RGB	rgb(10, 11, 68)
HSL	hsl(239, 74%, 15%)
HSV	hsv(239, 85%, 27%)
CMYK	cmyk(85.3%, 83.8%, 0%, 73.3%)
CIE-LAB	lab(6.51, 22.16, -35.29)
CIE-LCH	lch(6.51, 41.67, 302.13°)
OKLab	oklab(20.28% 0.0032 -0.1027)
OKLCH	oklch(20.28% 0.103 271.8)
XYZ	xyz(1.2879, 0.7211, 5.5390)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0B44 #44430A

analogous

#0A2844 #0A0B44 #260A44

triadic

#0A0B44 #440A0B #0B440A

tetradic

#0A0B44 #440A28 #44430A #0A4426

square

#0A0B44 #440A28 #44430A #0A4426

split-complementary

#0A0B44 #44260A #28440A

monochromatic

#04041B #04041B #0A0B44 #121479 #1A1CAF

Accessibility & contrast

On white

18.35

#0A0B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0A0B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0B44

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0B44	#FFFFFF	#000000	##FFFFFF
##0A0B44	1.00	18.35	1.14	18.35
#FFFFFF	18.35	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001746

Deuteranopia (green-blind)

#001243

Tritanopia (blue-blind)

#001C27

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0a0b44;
/* rgb */ color: rgb(10, 11, 68);
/* oklch */ color: oklch(20.3% 0.103 271.8);

Tailwind

colors: {
  custom: {
    50: '#554b79',
    500: '#0a0b44',
    950: '#000000',
  },
}

SCSS

$custom: #0a0b44;
$custom-light: #554b79;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0b44",
  "rgb": {
    "r": 10,
    "g": 11,
    "b": 68
  },
  "hsl": {
    "h": 238.966,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.20279,
    "c": 0.10272,
    "h": 271.8
  },
  "luminance": 0.00721
}

Semantic roles & 50–950 ramp

primary

#0A0B44

secondary

#818029

accent

#EE37F1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0A0B44

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

Preview Lab → · Contrast checker → · Palette generator →