#303684#303684

#303684 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.129 H 275.0°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#303684
RGB	rgb(48, 54, 132)
HSL	hsl(236, 47%, 35%)
HSV	hsv(236, 64%, 52%)
CMYK	cmyk(63.6%, 59.1%, 0%, 48.2%)
CIE-LAB	lab(26.54, 23.20, -44.76)
CIE-LCH	lch(26.54, 50.42, 297.39°)
OKLab	oklab(37.59% 0.0112 -0.1286)
OKLCH	oklch(37.59% 0.129 275)
XYZ	xyz(6.7016, 4.9321, 22.4242)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303684 #847E30

analogous

#306084 #303684 #543084

triadic

#303684 #843036 #368430

tetradic

#303684 #843060 #847E30 #308454

square

#303684 #843060 #847E30 #308454

split-complementary

#303684 #845430 #608430

monochromatic

#0F112A #202457 #303684 #4048B1 #676EC8

Accessibility & contrast

On white

10.57

#303684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#303684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303684

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303684	#FFFFFF	#000000	##FFFFFF
##303684	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004287

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #303684;
/* rgb */ color: rgb(48, 54, 132);
/* oklch */ color: oklch(37.6% 0.129 275.0);

Tailwind

colors: {
  custom: {
    50: '#726da8',
    500: '#303684',
    950: '#000000',
  },
}

SCSS

$custom: #303684;
$custom-light: #726da8;
$custom-dark: #000000;

JSON

{
  "hex": "#303684",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 132
  },
  "hsl": {
    "h": 235.714,
    "s": 46.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37591,
    "c": 0.12912,
    "h": 275
  },
  "luminance": 0.04933
}

Semantic roles & 50–950 ramp

primary

#303684

secondary

#AFA961

accent

#CD51D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #303684

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

Preview Lab → · Contrast checker → · Palette generator →