#303689#303689

#303689 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.0% C 0.136 H 274.7°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#303689
RGB	rgb(48, 54, 137)
HSL	hsl(236, 48%, 36%)
HSV	hsv(236, 65%, 54%)
CMYK	cmyk(65%, 60.6%, 0%, 46.3%)
CIE-LAB	lab(26.94, 25.02, -47.23)
CIE-LCH	lch(26.94, 53.45, 297.91°)
OKLab	oklab(38.01% 0.0112 -0.1359)
OKLCH	oklch(38.01% 0.136 274.7)
XYZ	xyz(7.0520, 5.0723, 24.2695)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303689 #898330

analogous

#306389 #303689 #573089

triadic

#303689 #893036 #368930

tetradic

#303689 #893063 #898330 #308957

square

#303689 #893063 #898330 #308957

split-complementary

#303689 #895730 #638930

monochromatic

#10122E #20245C #303689 #4048B6 #6970CA

Accessibility & contrast

On white

10.42

#303689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#303689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303689

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303689	#FFFFFF	#000000	##FFFFFF
##303689	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448C

Deuteranopia (green-blind)

#003C87

Tritanopia (blue-blind)

#004A5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #303689;
/* rgb */ color: rgb(48, 54, 137);
/* oklch */ color: oklch(38.0% 0.136 274.7);

Tailwind

colors: {
  custom: {
    50: '#736dac',
    500: '#303689',
    950: '#000000',
  },
}

SCSS

$custom: #303689;
$custom-light: #736dac;
$custom-dark: #000000;

JSON

{
  "hex": "#303689",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 137
  },
  "hsl": {
    "h": 235.955,
    "s": 48.108,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38013,
    "c": 0.13634,
    "h": 274.7
  },
  "luminance": 0.05073
}

Semantic roles & 50–950 ramp

primary

#303689

secondary

#B2AC63

accent

#CF50D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #303689

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

Preview Lab → · Contrast checker → · Palette generator →