#303899#303899

#303899 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.156 H 273.3°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#303899
RGB	rgb(48, 56, 153)
HSL	hsl(235, 52%, 39%)
HSV	hsv(235, 69%, 60%)
CMYK	cmyk(68.6%, 63.4%, 0%, 40%)
CIE-LAB	lab(28.79, 29.49, -54.07)
CIE-LCH	lch(28.79, 61.59, 298.61°)
OKLab	oklab(39.79% 0.009 -0.1559)
OKLCH	oklch(39.79% 0.156 273.3)
XYZ	xyz(8.3809, 5.7559, 30.8001)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303899 #999130

analogous

#306C99 #303899 #5D3099

triadic

#303899 #993038 #389930

tetradic

#303899 #99306C #999130 #30995D

square

#303899 #99306C #999130 #30995D

split-complementary

#303899 #995D30 #6C9930

monochromatic

#13163C #21276A #303899 #424CC4 #7178D2

Accessibility & contrast

On white

9.76

#303899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#303899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303899

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303899	#FFFFFF	#000000	##FFFFFF
##303899	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #303899;
/* rgb */ color: rgb(48, 56, 153);
/* oklch */ color: oklch(39.8% 0.156 273.3);

Tailwind

colors: {
  custom: {
    50: '#766eb8',
    500: '#303899',
    950: '#000000',
  },
}

SCSS

$custom: #303899;
$custom-light: #766eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#303899",
  "rgb": {
    "r": 48,
    "g": 56,
    "b": 153
  },
  "hsl": {
    "h": 235.429,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39794,
    "c": 0.15621,
    "h": 273.3
  },
  "luminance": 0.05757
}

Semantic roles & 50–950 ramp

primary

#303899

secondary

#BAB46B

accent

#D14CDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #303899

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

Preview Lab → · Contrast checker → · Palette generator →