#09042F#09042F

#09042F is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.1% C 0.082 H 278.5°. Best body text is #FFFFFF at 19.63:1 contrast (WCAG AA passes).

Color values

HEX	#09042F
RGB	rgb(9, 4, 47)
HSL	hsl(247, 84%, 10%)
HSV	hsv(247, 91%, 18%)
CMYK	cmyk(80.9%, 91.5%, 0%, 81.6%)
CIE-LAB	lab(3.16, 13.77, -25.43)
CIE-LCH	lch(3.16, 28.92, 298.44°)
OKLab	oklab(16.07% 0.0121 -0.0812)
OKLCH	oklch(16.07% 0.082 278.5)
XYZ	xyz(0.6690, 0.3501, 2.7211)
Luminance	0.0035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09042F #2A2F04

analogous

#04142F #09042F #1F042F

triadic

#09042F #2F0904 #042F09

tetradic

#09042F #2F0414 #2A2F04 #042F1F

square

#09042F #2F0414 #2A2F04 #042F1F

split-complementary

#09042F #2F1F04 #142F04

monochromatic

#05021C #05021C #09042F #140967 #1F0EA0

Accessibility & contrast

On white

19.63

#09042F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#09042F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09042F

19.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09042F	#FFFFFF	#000000	##FFFFFF
##09042F	1.00	19.63	1.07	19.63
#FFFFFF	19.63	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D30

Deuteranopia (green-blind)

#000A2E

Tritanopia (blue-blind)

#001019

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #09042f;
/* rgb */ color: rgb(9, 4, 47);
/* oklch */ color: oklch(16.1% 0.082 278.5);

Tailwind

colors: {
  custom: {
    50: '#4d4868',
    500: '#09042f',
    950: '#000000',
  },
}

SCSS

$custom: #09042f;
$custom-light: #4d4868;
$custom-dark: #000000;

JSON

{
  "hex": "#09042f",
  "rgb": {
    "r": 9,
    "g": 4,
    "b": 47
  },
  "hsl": {
    "h": 246.977,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.16068,
    "c": 0.08208,
    "h": 278.5
  },
  "luminance": 0.0035
}

Semantic roles & 50–950 ramp

primary

#09042F

secondary

#68721D

accent

#FB2DE3

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #09042F

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

Preview Lab → · Contrast checker → · Palette generator →