#09173A#09173A

#09173A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.7% C 0.071 H 264.7°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#09173A
RGB	rgb(9, 23, 58)
HSL	hsl(223, 73%, 13%)
HSV	hsv(223, 84%, 23%)
CMYK	cmyk(84.5%, 60.3%, 0%, 77.3%)
CIE-LAB	lab(8.79, 9.00, -24.45)
CIE-LCH	lch(8.79, 26.05, 290.21°)
OKLab	oklab(21.69% -0.0065 -0.0703)
OKLCH	oklch(21.69% 0.071 264.7)
XYZ	xyz(1.1825, 0.9762, 4.1283)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09173A #3A2C09

analogous

#092F3A #09173A #13093A

triadic

#09173A #3A0917 #173A09

tetradic

#09173A #3A092F #3A2C09 #093A13

square

#09173A #3A092F #3A2C09 #093A13

split-complementary

#09173A #3A1309 #2F3A09

monochromatic

#040B1A #040B1A #09173A #112C6F #1941A4

Accessibility & contrast

On white

17.57

#09173A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#09173A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09173A

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09173A	#FFFFFF	#000000	##FFFFFF
##09173A	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031B3B

Deuteranopia (green-blind)

#001739

Tritanopia (blue-blind)

#001F25

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #09173a;
/* rgb */ color: rgb(9, 23, 58);
/* oklch */ color: oklch(21.7% 0.071 264.7);

Tailwind

colors: {
  custom: {
    50: '#505370',
    500: '#09173a',
    950: '#000000',
  },
}

SCSS

$custom: #09173a;
$custom-light: #505370;
$custom-dark: #000000;

JSON

{
  "hex": "#09173a",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 58
  },
  "hsl": {
    "h": 222.857,
    "s": 73.134,
    "l": 13.137
  },
  "oklch": {
    "l": 0.21692,
    "c": 0.07062,
    "h": 264.7
  },
  "luminance": 0.00976
}

Semantic roles & 50–950 ramp

primary

#09173A

secondary

#786127

accent

#BB38F0

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #09173A

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

Preview Lab → · Contrast checker → · Palette generator →