#304DA9#304DA9

#304DA9 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.152 H 266.9°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#304DA9
RGB	rgb(48, 77, 169)
HSL	hsl(226, 56%, 43%)
HSV	hsv(226, 72%, 66%)
CMYK	cmyk(71.6%, 54.4%, 0%, 33.7%)
CIE-LAB	lab(35.60, 21.50, -52.65)
CIE-LCH	lch(35.60, 56.87, 292.22°)
OKLab	oklab(45.27% -0.0081 -0.1515)
OKLCH	oklch(45.27% 0.152 266.9)
XYZ	xyz(11.0317, 8.7996, 38.6455)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304DA9 #A98C30

analogous

#3089A9 #304DA9 #5030A9

triadic

#304DA9 #A9304D #4DA930

tetradic

#304DA9 #A93089 #A98C30 #30A950

square

#304DA9 #A93089 #A98C30 #30A950

split-complementary

#304DA9 #A95030 #89A930

monochromatic

#15224A #223779 #304DA9 #4A69CC #7A91D9

Accessibility & contrast

On white

7.61

#304DA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#304DA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304DA9

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304DA9	#FFFFFF	#000000	##FFFFFF
##304DA9	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#045AAC

Deuteranopia (green-blind)

#004EA7

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #304da9;
/* rgb */ color: rgb(48, 77, 169);
/* oklch */ color: oklch(45.3% 0.152 266.9);

Tailwind

colors: {
  custom: {
    50: '#787ec3',
    500: '#304da9',
    950: '#000000',
  },
}

SCSS

$custom: #304da9;
$custom-light: #787ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#304da9",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 169
  },
  "hsl": {
    "h": 225.62,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.45269,
    "c": 0.15173,
    "h": 266.9
  },
  "luminance": 0.08801
}

Semantic roles & 50–950 ramp

primary

#304DA9

secondary

#C2AF73

accent

#BB49DF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304DA9

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

Preview Lab → · Contrast checker → · Palette generator →