#304DAC#304DAC

#304DAC is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.156 H 267.1°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#304DAC
RGB	rgb(48, 77, 172)
HSL	hsl(226, 56%, 43%)
HSV	hsv(226, 72%, 67%)
CMYK	cmyk(72.1%, 55.2%, 0%, 32.5%)
CIE-LAB	lab(35.82, 22.63, -54.07)
CIE-LCH	lch(35.82, 58.62, 292.71°)
OKLab	oklab(45.51% -0.0079 -0.1557)
OKLCH	oklch(45.51% 0.156 267.1)
XYZ	xyz(11.3166, 8.9135, 40.1458)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304DAC #AC8F30

analogous

#308BAC #304DAC #5130AC

triadic

#304DAC #AC304D #4DAC30

tetradic

#304DAC #AC308B #AC8F30 #30AC51

square

#304DAC #AC308B #AC8F30 #30AC51

split-complementary

#304DAC #AC5130 #8BAC30

monochromatic

#15224C #23387C #304DAC #4C6ACD #7C92DA

Accessibility & contrast

On white

7.55

#304DAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#304DAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304DAC

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304DAC	#FFFFFF	#000000	##FFFFFF
##304DAC	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AAF

Deuteranopia (green-blind)

#004FAA

Tritanopia (blue-blind)

#006475

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #304dac;
/* rgb */ color: rgb(48, 77, 172);
/* oklch */ color: oklch(45.5% 0.156 267.1);

Tailwind

colors: {
  custom: {
    50: '#797ec5',
    500: '#304dac',
    950: '#000000',
  },
}

SCSS

$custom: #304dac;
$custom-light: #797ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#304dac",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 172
  },
  "hsl": {
    "h": 225.968,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.45506,
    "c": 0.15591,
    "h": 267.1
  },
  "luminance": 0.08915
}

Semantic roles & 50–950 ramp

primary

#304DAC

secondary

#C3B175

accent

#BC48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304DAC

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

Preview Lab → · Contrast checker → · Palette generator →