#09052B#09052B

#09052B is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.8% C 0.074 H 279.5°. Best body text is #FFFFFF at 19.66:1 contrast (WCAG AA passes).

Color values

HEX	#09052B
RGB	rgb(9, 5, 43)
HSL	hsl(246, 79%, 9%)
HSV	hsv(246, 88%, 17%)
CMYK	cmyk(79.1%, 88.4%, 0%, 83.1%)
CIE-LAB	lab(3.08, 11.42, -22.54)
CIE-LCH	lch(3.08, 25.27, 296.86°)
OKLab	oklab(15.8% 0.0122 -0.0731)
OKLCH	oklch(15.8% 0.074 279.5)
XYZ	xyz(0.6028, 0.3410, 2.3191)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09052B #272B05

analogous

#05142B #09052B #1C052B

triadic

#09052B #2B0905 #052B09

tetradic

#09052B #2B0514 #272B05 #052B1C

square

#09052B #2B0514 #272B05 #052B1C

split-complementary

#09052B #2B1C05 #142B05

monochromatic

#06031B #06031B #09052B #140B62 #201299

Accessibility & contrast

On white

19.66

#09052B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#09052B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09052B

19.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09052B	#FFFFFF	#000000	##FFFFFF
##09052B	1.00	19.66	1.07	19.66
#FFFFFF	19.66	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2C

Deuteranopia (green-blind)

#000A2A

Tritanopia (blue-blind)

#000F17

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #09052b;
/* rgb */ color: rgb(9, 5, 43);
/* oklch */ color: oklch(15.8% 0.074 279.5);

Tailwind

colors: {
  custom: {
    50: '#4c4964',
    500: '#09052b',
    950: '#000000',
  },
}

SCSS

$custom: #09052b;
$custom-light: #4c4964;
$custom-dark: #000000;

JSON

{
  "hex": "#09052b",
  "rgb": {
    "r": 9,
    "g": 5,
    "b": 43
  },
  "hsl": {
    "h": 246.316,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.15804,
    "c": 0.07414,
    "h": 279.5
  },
  "luminance": 0.00341
}

Semantic roles & 50–950 ramp

primary

#09052B

secondary

#646D1F

accent

#F632E1

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010005

muted

#77777A

Preview Lab

Preview with #09052B

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

Preview Lab → · Contrast checker → · Palette generator →