#09172E#09172E

#09172E is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.7% C 0.050 H 259.8°. Best body text is #FFFFFF at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#09172E
RGB	rgb(9, 23, 46)
HSL	hsl(217, 67%, 11%)
HSV	hsv(217, 80%, 18%)
CMYK	cmyk(80.4%, 50%, 0%, 82%)
CIE-LAB	lab(7.84, 3.49, -17.24)
CIE-LCH	lch(7.84, 17.59, 281.43°)
OKLab	oklab(20.66% -0.0089 -0.0491)
OKLCH	oklch(20.66% 0.05 259.8)
XYZ	xyz(0.9120, 0.8680, 2.7037)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09172E #2E2009

analogous

#09292E #09172E #0D092E

triadic

#09172E #2E0917 #172E09

tetradic

#09172E #2E0929 #2E2009 #092E0D

square

#09172E #2E0929 #2E2009 #092E0D

split-complementary

#09172E #2E0D09 #292E09

monochromatic

#050D1A #050D1A #09172E #133161 #1D4A94

Accessibility & contrast

On white

17.89

#09172E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#09172E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09172E

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09172E	#FFFFFF	#000000	##FFFFFF
##09172E	1.00	17.89	1.17	17.89
#FFFFFF	17.89	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C192F

Deuteranopia (green-blind)

#07162E

Tritanopia (blue-blind)

#001C20

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #09172e;
/* rgb */ color: rgb(9, 23, 46);
/* oklch */ color: oklch(20.7% 0.050 259.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#09172e",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 46
  },
  "hsl": {
    "h": 217.297,
    "s": 67.273,
    "l": 10.784
  },
  "oklch": {
    "l": 0.20656,
    "c": 0.04994,
    "h": 259.8
  },
  "luminance": 0.00868
}

Semantic roles & 50–950 ramp

primary

#09172E

secondary

#6C5227

accent

#A93EEA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #09172E

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

Preview Lab → · Contrast checker → · Palette generator →