#303389#303389

#303389 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.140 H 275.7°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#303389
RGB	rgb(48, 51, 137)
HSL	hsl(238, 48%, 36%)
HSV	hsv(238, 65%, 54%)
CMYK	cmyk(65%, 62.8%, 0%, 46.3%)
CIE-LAB	lab(26.16, 27.02, -48.50)
CIE-LCH	lch(26.16, 55.51, 299.12°)
OKLab	oklab(37.44% 0.014 -0.1396)
OKLCH	oklch(37.44% 0.14 275.7)
XYZ	xyz(6.9166, 4.8016, 24.2244)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303389 #898630

analogous

#306089 #303389 #5A3089

triadic

#303389 #893033 #338930

tetradic

#303389 #893060 #898630 #30895A

square

#303389 #893060 #898630 #30895A

split-complementary

#303389 #895A30 #608930

monochromatic

#10112E #20225C #303389 #4044B6 #696CCA

Accessibility & contrast

On white

10.71

#303389 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#303389 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303389

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303389	#FFFFFF	#000000	##FFFFFF
##303389	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #303389;
/* rgb */ color: rgb(48, 51, 137);
/* oklch */ color: oklch(37.4% 0.140 275.7);

Tailwind

colors: {
  custom: {
    50: '#736aac',
    500: '#303389',
    950: '#000000',
  },
}

SCSS

$custom: #303389;
$custom-light: #736aac;
$custom-dark: #000000;

JSON

{
  "hex": "#303389",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 137
  },
  "hsl": {
    "h": 237.978,
    "s": 48.108,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37439,
    "c": 0.14033,
    "h": 275.7
  },
  "luminance": 0.04802
}

Semantic roles & 50–950 ramp

primary

#303389

secondary

#B2AF63

accent

#D350D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #303389

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

Preview Lab → · Contrast checker → · Palette generator →