#303584#303584

#303584 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.130 H 275.4°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#303584
RGB	rgb(48, 53, 132)
HSL	hsl(236, 47%, 35%)
HSV	hsv(236, 64%, 52%)
CMYK	cmyk(63.6%, 59.8%, 0%, 48.2%)
CIE-LAB	lab(26.27, 23.87, -45.20)
CIE-LCH	lch(26.27, 51.11, 297.84°)
OKLab	oklab(37.39% 0.0122 -0.1299)
OKLCH	oklch(37.39% 0.13 275.4)
XYZ	xyz(6.6555, 4.8400, 22.4088)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303584 #847F30

analogous

#305F84 #303584 #553084

triadic

#303584 #843035 #358430

tetradic

#303584 #84305F #847F30 #308455

square

#303584 #84305F #847F30 #308455

split-complementary

#303584 #845530 #5F8430

monochromatic

#0F112A #202357 #303584 #4047B1 #676DC8

Accessibility & contrast

On white

10.67

#303584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#303584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303584

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303584	#FFFFFF	#000000	##FFFFFF
##303584	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004287

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #303584;
/* rgb */ color: rgb(48, 53, 132);
/* oklch */ color: oklch(37.4% 0.130 275.4);

Tailwind

colors: {
  custom: {
    50: '#726ca8',
    500: '#303584',
    950: '#000000',
  },
}

SCSS

$custom: #303584;
$custom-light: #726ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#303584",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 132
  },
  "hsl": {
    "h": 236.429,
    "s": 46.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37393,
    "c": 0.13048,
    "h": 275.4
  },
  "luminance": 0.04841
}

Semantic roles & 50–950 ramp

primary

#303584

secondary

#AFAA61

accent

#CE51D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #303584

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

Preview Lab → · Contrast checker → · Palette generator →