#182780#182780

#182780 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.9% C 0.149 H 268.6°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#182780
RGB	rgb(24, 39, 128)
HSL	hsl(231, 68%, 30%)
HSV	hsv(231, 81%, 50%)
CMYK	cmyk(81.3%, 69.5%, 0%, 49.8%)
CIE-LAB	lab(20.84, 28.52, -51.62)
CIE-LCH	lch(20.84, 58.97, 298.92°)
OKLab	oklab(32.9% -0.0036 -0.1495)
OKLCH	oklch(32.9% 0.15 268.6)
XYZ	xyz(4.9971, 3.2032, 20.7728)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182780 #807118

analogous

#185B80 #182780 #3D1880

triadic

#182780 #801827 #278018

tetradic

#182780 #80185B #807118 #18803D

square

#182780 #80185B #807118 #18803D

split-complementary

#182780 #803D18 #5B8018

monochromatic

#05081A #0E174C #182780 #2237B4 #3950DA

Accessibility & contrast

On white

12.80

#182780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#182780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182780

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182780	#FFFFFF	#000000	##FFFFFF
##182780	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003783

Deuteranopia (green-blind)

#002D7E

Tritanopia (blue-blind)

#003F50

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182780;
/* rgb */ color: rgb(24, 39, 128);
/* oklch */ color: oklch(32.9% 0.149 268.6);

Tailwind

colors: {
  custom: {
    50: '#6861a6',
    500: '#182780',
    950: '#000000',
  },
}

SCSS

$custom: #182780;
$custom-light: #6861a6;
$custom-dark: #000000;

JSON

{
  "hex": "#182780",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 128
  },
  "hsl": {
    "h": 231.346,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32899,
    "c": 0.1495,
    "h": 268.6
  },
  "luminance": 0.03204
}

Semantic roles & 50–950 ramp

primary

#182780

secondary

#B4A340

accent

#D23DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182780

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

Preview Lab → · Contrast checker → · Palette generator →