#303291#303291

#303291 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.153 H 275.4°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#303291
RGB	rgb(48, 50, 145)
HSL	hsl(239, 50%, 38%)
HSV	hsv(239, 67%, 57%)
CMYK	cmyk(66.9%, 65.5%, 0%, 43.1%)
CIE-LAB	lab(26.60, 30.53, -52.73)
CIE-LCH	lch(26.60, 60.94, 300.07°)
OKLab	oklab(37.97% 0.0144 -0.1521)
OKLCH	oklch(37.97% 0.153 275.4)
XYZ	xyz(7.4687, 4.9533, 27.3451)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303291 #918F30

analogous

#306291 #303291 #5E3091

triadic

#303291 #913032 #329130

tetradic

#303291 #913062 #918F30 #30915E

square

#303291 #913062 #918F30 #30915E

split-complementary

#303291 #915E30 #629130

monochromatic

#121235 #212263 #303291 #3F42BF #6D6FCF

Accessibility & contrast

On white

10.55

#303291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#303291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303291

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303291	#FFFFFF	#000000	##FFFFFF
##303291	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004394

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004A5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #303291;
/* rgb */ color: rgb(48, 50, 145);
/* oklch */ color: oklch(38.0% 0.153 275.4);

Tailwind

colors: {
  custom: {
    50: '#756ab2',
    500: '#303291',
    950: '#000000',
  },
}

SCSS

$custom: #303291;
$custom-light: #756ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#303291",
  "rgb": {
    "r": 48,
    "g": 50,
    "b": 145
  },
  "hsl": {
    "h": 238.763,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37975,
    "c": 0.15275,
    "h": 275.4
  },
  "luminance": 0.04954
}

Semantic roles & 50–950 ramp

primary

#303291

secondary

#B6B467

accent

#D74EDA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #303291

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

Preview Lab → · Contrast checker → · Palette generator →