#303598#303598

#303598 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.2% C 0.159 H 274.2°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#303598
RGB	rgb(48, 53, 152)
HSL	hsl(237, 52%, 39%)
HSV	hsv(237, 68%, 60%)
CMYK	cmyk(68.4%, 65.1%, 0%, 40.4%)
CIE-LAB	lab(27.96, 31.09, -54.82)
CIE-LCH	lch(27.96, 63.02, 299.56°)
OKLab	oklab(39.16% 0.0115 -0.1582)
OKLCH	oklch(39.16% 0.159 274.2)
XYZ	xyz(8.1576, 5.4408, 30.3200)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303598 #989330

analogous

#306998 #303598 #5F3098

triadic

#303598 #983035 #359830

tetradic

#303598 #983069 #989330 #30985F

square

#303598 #983069 #989330 #30985F

split-complementary

#303598 #985F30 #699830

monochromatic

#13153B #212569 #303598 #4248C3 #7075D2

Accessibility & contrast

On white

10.06

#303598 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#303598 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303598

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303598	#FFFFFF	#000000	##FFFFFF
##303598	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479B

Deuteranopia (green-blind)

#003D96

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #303598;
/* rgb */ color: rgb(48, 53, 152);
/* oklch */ color: oklch(39.2% 0.159 274.2);

Tailwind

colors: {
  custom: {
    50: '#766cb7',
    500: '#303598',
    950: '#000000',
  },
}

SCSS

$custom: #303598;
$custom-light: #766cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#303598",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 152
  },
  "hsl": {
    "h": 237.115,
    "s": 52,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39157,
    "c": 0.15859,
    "h": 274.2
  },
  "luminance": 0.05442
}

Semantic roles & 50–950 ramp

primary

#303598

secondary

#BAB66A

accent

#D54CDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #303598

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

Preview Lab → · Contrast checker → · Palette generator →