#183490#183490

#183490 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.155 H 265.8°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#183490
RGB	rgb(24, 52, 144)
HSL	hsl(226, 71%, 33%)
HSV	hsv(226, 83%, 56%)
CMYK	cmyk(83.3%, 63.9%, 0%, 43.5%)
CIE-LAB	lab(25.75, 25.93, -53.56)
CIE-LCH	lch(25.75, 59.50, 295.83°)
OKLab	oklab(36.98% -0.0114 -0.155)
OKLCH	oklch(36.98% 0.155 265.8)
XYZ	xyz(6.6369, 4.6630, 26.9304)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183490 #907418

analogous

#187090 #183490 #381890

triadic

#183490 #901834 #349018

tetradic

#183490 #901870 #907418 #189038

square

#183490 #901870 #907418 #189038

split-complementary

#183490 #903818 #709018

monochromatic

#070E27 #0F215C #183490 #2147C4 #4367E0

Accessibility & contrast

On white

10.87

#183490 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#183490 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183490

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183490	#FFFFFF	#000000	##FFFFFF
##183490	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004393

Deuteranopia (green-blind)

#00388E

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #183490;
/* rgb */ color: rgb(24, 52, 144);
/* oklch */ color: oklch(37.0% 0.155 265.8);

Tailwind

colors: {
  custom: {
    50: '#6c6bb1',
    500: '#183490',
    950: '#000000',
  },
}

SCSS

$custom: #183490;
$custom-light: #6c6bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#183490",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 144
  },
  "hsl": {
    "h": 226,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36979,
    "c": 0.15543,
    "h": 265.8
  },
  "luminance": 0.04664
}

Semantic roles & 50–950 ramp

primary

#183490

secondary

#C0A343

accent

#C43AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #183490

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

Preview Lab → · Contrast checker → · Palette generator →