#09174A#09174A

#09174A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.096 H 266.6°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#09174A
RGB	rgb(9, 23, 74)
HSL	hsl(227, 78%, 16%)
HSV	hsv(227, 88%, 29%)
CMYK	cmyk(87.8%, 68.9%, 0%, 71%)
CIE-LAB	lab(10.30, 16.24, -33.28)
CIE-LCH	lch(10.30, 37.03, 296.01°)
OKLab	oklab(23.29% -0.0057 -0.0963)
OKLCH	oklch(23.29% 0.096 266.6)
XYZ	xyz(1.6547, 1.1651, 6.6149)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09174A #4A3C09

analogous

#09384A #09174A #1C094A

triadic

#09174A #4A0917 #174A09

tetradic

#09174A #4A0938 #4A3C09 #094A1C

square

#09174A #4A0938 #4A3C09 #094A1C

split-complementary

#09174A #4A1C09 #384A09

monochromatic

#03081B #03081B #09174A #102881 #1639B7

Accessibility & contrast

On white

17.03

#09174A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#09174A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09174A

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09174A	#FFFFFF	#000000	##FFFFFF
##09174A	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#001949

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #09174a;
/* rgb */ color: rgb(9, 23, 74);
/* oklch */ color: oklch(23.3% 0.096 266.6);

Tailwind

colors: {
  custom: {
    50: '#56537d',
    500: '#09174a',
    950: '#000000',
  },
}

SCSS

$custom: #09174a;
$custom-light: #56537d;
$custom-dark: #000000;

JSON

{
  "hex": "#09174a",
  "rgb": {
    "r": 9,
    "g": 23,
    "b": 74
  },
  "hsl": {
    "h": 227.077,
    "s": 78.313,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23291,
    "c": 0.09645,
    "h": 266.6
  },
  "luminance": 0.01165
}

Semantic roles & 50–950 ramp

primary

#09174A

secondary

#877327

accent

#CB33F5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#03020A

muted

#78787C

Preview Lab

Preview with #09174A

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

Preview Lab → · Contrast checker → · Palette generator →