#090539#090539

#090539 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.7% C 0.095 H 274.8°. Best body text is #FFFFFF at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#090539
RGB	rgb(9, 5, 57)
HSL	hsl(245, 84%, 12%)
HSV	hsv(245, 91%, 22%)
CMYK	cmyk(84.2%, 91.2%, 0%, 77.6%)
CIE-LAB	lab(4.17, 19.03, -31.21)
CIE-LCH	lch(4.17, 36.56, 301.38°)
OKLab	oklab(17.66% 0.008 -0.0945)
OKLCH	oklch(17.66% 0.095 274.8)
XYZ	xyz(0.9052, 0.4619, 3.9116)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#090539 #353905

analogous

#051B39 #090539 #230539

triadic

#090539 #390905 #053909

tetradic

#090539 #39051B #353905 #053923

square

#090539 #39051B #353905 #053923

split-complementary

#090539 #392305 #1B3905

monochromatic

#04021C #04021C #090539 #120A71 #1B0FAA

Accessibility & contrast

On white

19.22

#090539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#090539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #090539

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##090539	#FFFFFF	#000000	##FFFFFF
##090539	1.00	19.22	1.09	19.22
#FFFFFF	19.22	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113A

Deuteranopia (green-blind)

#000C38

Tritanopia (blue-blind)

#00141F

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #090539;
/* rgb */ color: rgb(9, 5, 57);
/* oklch */ color: oklch(17.7% 0.095 274.8);

Tailwind

colors: {
  custom: {
    50: '#504870',
    500: '#090539',
    950: '#000000',
  },
}

SCSS

$custom: #090539;
$custom-light: #504870;
$custom-dark: #000000;

JSON

{
  "hex": "#090539",
  "rgb": {
    "r": 9,
    "g": 5,
    "b": 57
  },
  "hsl": {
    "h": 244.615,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17658,
    "c": 0.09484,
    "h": 274.8
  },
  "luminance": 0.00462
}

Semantic roles & 50–950 ramp

primary

#090539

secondary

#737A20

accent

#FA2EEA

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #090539

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

Preview Lab → · Contrast checker → · Palette generator →