#182781#182781

#182781 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.151 H 268.6°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#182781
RGB	rgb(24, 39, 129)
HSL	hsl(231, 69%, 30%)
HSV	hsv(231, 81%, 51%)
CMYK	cmyk(81.4%, 69.8%, 0%, 49.4%)
CIE-LAB	lab(20.94, 28.91, -52.08)
CIE-LCH	lch(20.94, 59.57, 299.03°)
OKLab	oklab(33% -0.0037 -0.1508)
OKLCH	oklch(33% 0.151 268.6)
XYZ	xyz(5.0633, 3.2296, 21.1211)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182781 #817218

analogous

#185B81 #182781 #3E1881

triadic

#182781 #811827 #278118

tetradic

#182781 #81185B #817218 #18813E

square

#182781 #81185B #817218 #18813E

split-complementary

#182781 #813E18 #5B8118

monochromatic

#05081A #0E174D #182781 #2237B5 #3950DA

Accessibility & contrast

On white

12.76

#182781 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#182781 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182781

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182781	#FFFFFF	#000000	##FFFFFF
##182781	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003784

Deuteranopia (green-blind)

#002D7F

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182781;
/* rgb */ color: rgb(24, 39, 129);
/* oklch */ color: oklch(33.0% 0.151 268.6);

Tailwind

colors: {
  custom: {
    50: '#6961a7',
    500: '#182781',
    950: '#000000',
  },
}

SCSS

$custom: #182781;
$custom-light: #6961a7;
$custom-dark: #000000;

JSON

{
  "hex": "#182781",
  "rgb": {
    "r": 24,
    "g": 39,
    "b": 129
  },
  "hsl": {
    "h": 231.429,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.33003,
    "c": 0.15087,
    "h": 268.6
  },
  "luminance": 0.0323
}

Semantic roles & 50–950 ramp

primary

#182781

secondary

#B5A440

accent

#D23CEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182781

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

Preview Lab → · Contrast checker → · Palette generator →