#303683#303683

#303683 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.128 H 275.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#303683
RGB	rgb(48, 54, 131)
HSL	hsl(236, 46%, 35%)
HSV	hsv(236, 63%, 51%)
CMYK	cmyk(63.4%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(26.46, 22.83, -44.27)
CIE-LCH	lch(26.46, 49.81, 297.29°)
OKLab	oklab(37.51% 0.0112 -0.1272)
OKLCH	oklch(37.51% 0.128 275)
XYZ	xyz(6.6335, 4.9049, 22.0655)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303683 #837D30

analogous

#305F83 #303683 #543083

triadic

#303683 #833036 #368330

tetradic

#303683 #83305F #837D30 #308354

square

#303683 #83305F #837D30 #308354

split-complementary

#303683 #835430 #5F8330

monochromatic

#0F1129 #202456 #303683 #4048B0 #666DC7

Accessibility & contrast

On white

10.60

#303683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#303683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303683

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303683	#FFFFFF	#000000	##FFFFFF
##303683	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #303683;
/* rgb */ color: rgb(48, 54, 131);
/* oklch */ color: oklch(37.5% 0.128 275.0);

Tailwind

colors: {
  custom: {
    50: '#726da8',
    500: '#303683',
    950: '#000000',
  },
}

SCSS

$custom: #303683;
$custom-light: #726da8;
$custom-dark: #000000;

JSON

{
  "hex": "#303683",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 235.663,
    "s": 46.369,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37508,
    "c": 0.12765,
    "h": 275
  },
  "luminance": 0.04905
}

Semantic roles & 50–950 ramp

primary

#303683

secondary

#AEA961

accent

#CC52D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #303683

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

Preview Lab → · Contrast checker → · Palette generator →