#09172F#09172F

#09172F is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.7% C 0.052 H 260.4°. Best body text is #FFFFFF at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#09172F
RGB	rgb(9, 23, 47)
HSL	hsl(218, 68%, 11%)
HSV	hsv(218, 81%, 18%)
CMYK	cmyk(80.9%, 51.1%, 0%, 81.6%)
CIE-LAB	lab(7.91, 3.95, -17.87)
CIE-LCH	lch(7.91, 18.30, 282.46°)
OKLab	oklab(20.74% -0.0086 -0.051)
OKLCH	oklch(20.74% 0.052 260.4)
XYZ	xyz(0.9320, 0.8760, 2.8087)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09172F #2F2109

analogous

#092A2F #09172F #0E092F

triadic

#09172F #2F0917 #172F09

tetradic

#09172F #2F092A #2F2109 #092F0E

square

#09172F #2F092A #2F2109 #092F0E

split-complementary

#09172F #2F0E09 #2A2F09

monochromatic

#050D1A #050D1A #09172F #133062 #1D4996

Accessibility & contrast

On white

17.87

#09172F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#09172F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09172F

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09172F	#FFFFFF	#000000	##FFFFFF
##09172F	1.00	17.87	1.18	17.87
#FFFFFF	17.87	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C1930

Deuteranopia (green-blind)

#06162F

Tritanopia (blue-blind)

#001D20

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #09172f;
/* rgb */ color: rgb(9, 23, 47);
/* oklch */ color: oklch(20.7% 0.052 260.4);

Tailwind

colors: {
  custom: {
    50: '#4d5367',
    500: '#09172f',
    950: '#000000',
  },
}

SCSS

$custom: #09172f;
$custom-light: #4d5367;
$custom-dark: #000000;

JSON

{
  "hex": "#09172f",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 47
  },
  "hsl": {
    "h": 217.895,
    "s": 67.857,
    "l": 10.98
  },
  "oklch": {
    "l": 0.20736,
    "c": 0.0517,
    "h": 260.4
  },
  "luminance": 0.00876
}

Semantic roles & 50–950 ramp

primary

#09172F

secondary

#6D5327

accent

#AB3DEB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #09172F

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

Preview Lab → · Contrast checker → · Palette generator →