#303988#303988

#303988 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.131 H 273.7°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#303988
RGB	rgb(48, 57, 136)
HSL	hsl(234, 48%, 36%)
HSV	hsv(234, 65%, 53%)
CMYK	cmyk(64.7%, 58.1%, 0%, 46.7%)
CIE-LAB	lab(27.66, 22.63, -45.44)
CIE-LCH	lch(27.66, 50.76, 296.48°)
OKLab	oklab(38.52% 0.0083 -0.1306)
OKLCH	oklch(38.52% 0.131 273.7)
XYZ	xyz(7.1245, 5.3316, 23.9414)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303988 #887F30

analogous

#306588 #303988 #533088

triadic

#303988 #883039 #398830

tetradic

#303988 #883065 #887F30 #308853

square

#303988 #883065 #887F30 #308853

split-complementary

#303988 #885330 #658830

monochromatic

#10132E #20265B #303988 #404CB5 #6972CA

Accessibility & contrast

On white

10.16

#303988 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#303988 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303988

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303988	#FFFFFF	#000000	##FFFFFF
##303988	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458B

Deuteranopia (green-blind)

#003E86

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #303988;
/* rgb */ color: rgb(48, 57, 136);
/* oklch */ color: oklch(38.5% 0.131 273.7);

Tailwind

colors: {
  custom: {
    50: '#726fab',
    500: '#303988',
    950: '#000000',
  },
}

SCSS

$custom: #303988;
$custom-light: #726fab;
$custom-dark: #000000;

JSON

{
  "hex": "#303988",
  "rgb": {
    "r": 48,
    "g": 57,
    "b": 136
  },
  "hsl": {
    "h": 233.864,
    "s": 47.826,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38523,
    "c": 0.13086,
    "h": 273.7
  },
  "luminance": 0.05332
}

Semantic roles & 50–950 ramp

primary

#303988

secondary

#B1A963

accent

#CA50D7

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #303988

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

Preview Lab → · Contrast checker → · Palette generator →