#303687#303687

#303687 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.133 H 274.8°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#303687
RGB	rgb(48, 54, 135)
HSL	hsl(236, 48%, 36%)
HSV	hsv(236, 64%, 53%)
CMYK	cmyk(64.4%, 60%, 0%, 47.1%)
CIE-LAB	lab(26.78, 24.29, -46.25)
CIE-LCH	lch(26.78, 52.24, 297.71°)
OKLab	oklab(37.84% 0.0113 -0.133)
OKLCH	oklch(37.84% 0.133 274.8)
XYZ	xyz(6.9098, 5.0154, 23.5209)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303687 #878130

analogous

#306187 #303687 #553087

triadic

#303687 #873036 #368730

tetradic

#303687 #873061 #878130 #308755

square

#303687 #873061 #878130 #308755

split-complementary

#303687 #875530 #618730

monochromatic

#10122D #20245A #303687 #4048B4 #686FC9

Accessibility & contrast

On white

10.48

#303687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#303687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303687

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303687	#FFFFFF	#000000	##FFFFFF
##303687	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #303687;
/* rgb */ color: rgb(48, 54, 135);
/* oklch */ color: oklch(37.8% 0.133 274.8);

Tailwind

colors: {
  custom: {
    50: '#726dab',
    500: '#303687',
    950: '#000000',
  },
}

SCSS

$custom: #303687;
$custom-light: #726dab;
$custom-dark: #000000;

JSON

{
  "hex": "#303687",
  "rgb": {
    "r": 48,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 235.862,
    "s": 47.541,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37843,
    "c": 0.13346,
    "h": 274.8
  },
  "luminance": 0.05016
}

Semantic roles & 50–950 ramp

primary

#303687

secondary

#B1AB62

accent

#CE51D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #303687

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

Preview Lab → · Contrast checker → · Palette generator →