#09183A#09183A

#09183A is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.069 H 263.7°. Best body text is #FFFFFF at 17.45:1 contrast (WCAG AA passes).

Color values

HEX	#09183A
RGB	rgb(9, 24, 58)
HSL	hsl(222, 73%, 13%)
HSV	hsv(222, 84%, 23%)
CMYK	cmyk(84.5%, 58.6%, 0%, 77.3%)
CIE-LAB	lab(9.13, 8.20, -23.90)
CIE-LCH	lch(9.13, 25.26, 288.93°)
OKLab	oklab(21.95% -0.0075 -0.0687)
OKLCH	oklch(21.95% 0.069 263.7)
XYZ	xyz(1.2027, 1.0167, 4.1350)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#09183A #3A2B09

analogous

#09303A #09183A #12093A

triadic

#09183A #3A0918 #183A09

tetradic

#09183A #3A0930 #3A2B09 #093A12

square

#09183A #3A0930 #3A2B09 #093A12

split-complementary

#09183A #3A1209 #303A09

monochromatic

#040B1A #040B1A #09183A #112E6F #1944A4

Accessibility & contrast

On white

17.45

#09183A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#09183A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #09183A

17.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##09183A	#FFFFFF	#000000	##FFFFFF
##09183A	1.00	17.45	1.20	17.45
#FFFFFF	17.45	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041C3B

Deuteranopia (green-blind)

#001839

Tritanopia (blue-blind)

#002026

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #09183a;
/* rgb */ color: rgb(9, 24, 58);
/* oklch */ color: oklch(21.9% 0.069 263.7);

Tailwind

colors: {
  custom: {
    50: '#505470',
    500: '#09183a',
    950: '#000000',
  },
}

SCSS

$custom: #09183a;
$custom-light: #505470;
$custom-dark: #000000;

JSON

{
  "hex": "#09183a",
  "rgb": {
    "r": 9,
    "g": 24,
    "b": 58
  },
  "hsl": {
    "h": 221.633,
    "s": 73.134,
    "l": 13.137
  },
  "oklch": {
    "l": 0.21949,
    "c": 0.06911,
    "h": 263.7
  },
  "luminance": 0.01017
}

Semantic roles & 50–950 ramp

primary

#09183A

secondary

#785F27

accent

#B838F0

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #09183A

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

Preview Lab → · Contrast checker → · Palette generator →