#303499#303499

#303499 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.161 H 274.3°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#303499
RGB	rgb(48, 52, 153)
HSL	hsl(238, 52%, 39%)
HSV	hsv(238, 69%, 60%)
CMYK	cmyk(68.6%, 66%, 0%, 40%)
CIE-LAB	lab(27.80, 32.09, -55.68)
CIE-LCH	lch(27.80, 64.27, 299.96°)
OKLab	oklab(39.07% 0.0122 -0.1607)
OKLCH	oklch(39.07% 0.161 274.3)
XYZ	xyz(8.1948, 5.3835, 30.7381)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303499 #999530

analogous

#306999 #303499 #613099

triadic

#303499 #993034 #349930

tetradic

#303499 #993069 #999530 #309961

square

#303499 #993069 #999530 #309961

split-complementary

#303499 #996130 #699930

monochromatic

#13143C #21246A #303499 #4247C4 #7175D2

Accessibility & contrast

On white

10.11

#303499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#303499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303499

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303499	#FFFFFF	#000000	##FFFFFF
##303499	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #303499;
/* rgb */ color: rgb(48, 52, 153);
/* oklch */ color: oklch(39.1% 0.161 274.3);

Tailwind

colors: {
  custom: {
    50: '#766cb8',
    500: '#303499',
    950: '#000000',
  },
}

SCSS

$custom: #303499;
$custom-light: #766cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#303499",
  "rgb": {
    "r": 48,
    "g": 52,
    "b": 153
  },
  "hsl": {
    "h": 237.714,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39071,
    "c": 0.16117,
    "h": 274.3
  },
  "luminance": 0.05384
}

Semantic roles & 50–950 ramp

primary

#303499

secondary

#BAB76B

accent

#D64CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #303499

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

Preview Lab → · Contrast checker → · Palette generator →