#303597#303597

#303597 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.157 H 274.2°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#303597
RGB	rgb(48, 53, 151)
HSL	hsl(237, 52%, 39%)
HSV	hsv(237, 68%, 59%)
CMYK	cmyk(68.2%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(27.87, 30.73, -54.35)
CIE-LCH	lch(27.87, 62.44, 299.49°)
OKLab	oklab(39.07% 0.0116 -0.1568)
OKLCH	oklch(39.07% 0.157 274.2)
XYZ	xyz(8.0761, 5.4082, 29.8904)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303597 #979230

analogous

#306997 #303597 #5F3097

triadic

#303597 #973035 #359730

tetradic

#303597 #973069 #979230 #30975F

square

#303597 #973069 #979230 #30975F

split-complementary

#303597 #975F30 #699730

monochromatic

#12143A #212569 #303597 #4148C3 #7075D2

Accessibility & contrast

On white

10.09

#303597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#303597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303597

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303597	#FFFFFF	#000000	##FFFFFF
##303597	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #303597;
/* rgb */ color: rgb(48, 53, 151);
/* oklch */ color: oklch(39.1% 0.157 274.2);

Tailwind

colors: {
  custom: {
    50: '#766cb6',
    500: '#303597',
    950: '#000000',
  },
}

SCSS

$custom: #303597;
$custom-light: #766cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#303597",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 237.087,
    "s": 51.759,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39065,
    "c": 0.15722,
    "h": 274.2
  },
  "luminance": 0.05409
}

Semantic roles & 50–950 ramp

primary

#303597

secondary

#B9B56A

accent

#D44DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #303597

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

Preview Lab → · Contrast checker → · Palette generator →