#09172D#09172D

#09172D is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.6% C 0.048 H 259.1°. Best body text is #FFFFFF at 17.92:1 contrast (WCAG AA passes).

Color values

HEX	#09172D
RGB	rgb(9, 23, 45)
HSL	hsl(217, 67%, 11%)
HSV	hsv(217, 80%, 18%)
CMYK	cmyk(80%, 48.9%, 0%, 82.4%)
CIE-LAB	lab(7.77, 3.03, -16.62)
CIE-LCH	lch(7.77, 16.89, 280.33°)
OKLab	oklab(20.58% -0.0091 -0.0473)
OKLCH	oklch(20.58% 0.048 259.1)
XYZ	xyz(0.8925, 0.8602, 2.6011)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09172D #2D1F09

analogous

#09292D #09172D #0D092D

triadic

#09172D #2D0917 #172D09

tetradic

#09172D #2D0929 #2D1F09 #092D0D

square

#09172D #2D0929 #2D1F09 #092D0D

split-complementary

#09172D #2D0D09 #292D09

monochromatic

#050D1A #050D1A #09172D #133160 #1D4B93

Accessibility & contrast

On white

17.92

#09172D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#09172D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09172D

17.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09172D	#FFFFFF	#000000	##FFFFFF
##09172D	1.00	17.92	1.17	17.92
#FFFFFF	17.92	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D192E

Deuteranopia (green-blind)

#08162D

Tritanopia (blue-blind)

#001C1F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #09172d;
/* rgb */ color: rgb(9, 23, 45);
/* oklch */ color: oklch(20.6% 0.048 259.1);

Tailwind

colors: {
  custom: {
    50: '#4d5366',
    500: '#09172d',
    950: '#000000',
  },
}

SCSS

$custom: #09172d;
$custom-light: #4d5366;
$custom-dark: #000000;

JSON

{
  "hex": "#09172d",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 45
  },
  "hsl": {
    "h": 216.667,
    "s": 66.667,
    "l": 10.588
  },
  "oklch": {
    "l": 0.20577,
    "c": 0.04819,
    "h": 259.1
  },
  "luminance": 0.0086
}

Semantic roles & 50–950 ramp

primary

#09172D

secondary

#6B5027

accent

#A73EEA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #09172D

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

Preview Lab → · Contrast checker → · Palette generator →