#09172C#09172C

#09172C is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.5% C 0.046 H 258.3°. Best body text is #FFFFFF at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#09172C
RGB	rgb(9, 23, 44)
HSL	hsl(216, 66%, 10%)
HSV	hsv(216, 80%, 17%)
CMYK	cmyk(79.5%, 47.7%, 0%, 82.7%)
CIE-LAB	lab(7.70, 2.57, -15.99)
CIE-LCH	lch(7.70, 16.19, 279.13°)
OKLab	oklab(20.5% -0.0094 -0.0455)
OKLCH	oklch(20.5% 0.046 258.3)
XYZ	xyz(0.8735, 0.8526, 2.5009)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09172C #2C1E09

analogous

#09282C #09172C #0C092C

triadic

#09172C #2C0917 #172C09

tetradic

#09172C #2C0928 #2C1E09 #092C0C

square

#09172C #2C0928 #2C1E09 #092C0C

split-complementary

#09172C #2C0C09 #282C09

monochromatic

#050D19 #050D19 #09172C #13325F #1E4C92

Accessibility & contrast

On white

17.94

#09172C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#09172C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09172C

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09172C	#FFFFFF	#000000	##FFFFFF
##09172C	1.00	17.94	1.17	17.94
#FFFFFF	17.94	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E192D

Deuteranopia (green-blind)

#09152C

Tritanopia (blue-blind)

#001C1F

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #09172c;
/* rgb */ color: rgb(9, 23, 44);
/* oklch */ color: oklch(20.5% 0.046 258.3);

Tailwind

colors: {
  custom: {
    50: '#4d5365',
    500: '#09172c',
    950: '#000000',
  },
}

SCSS

$custom: #09172c;
$custom-light: #4d5365;
$custom-dark: #000000;

JSON

{
  "hex": "#09172c",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 44
  },
  "hsl": {
    "h": 216,
    "s": 66.038,
    "l": 10.392
  },
  "oklch": {
    "l": 0.205,
    "c": 0.04645,
    "h": 258.3
  },
  "luminance": 0.00853
}

Semantic roles & 50–950 ramp

primary

#09172C

secondary

#6A4F27

accent

#A53FE9

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #09172C

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

Preview Lab → · Contrast checker → · Palette generator →