#304DAA#304DAA

#304DAA is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.153 H 267.0°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#304DAA
RGB	rgb(48, 77, 170)
HSL	hsl(226, 56%, 43%)
HSV	hsv(226, 72%, 67%)
CMYK	cmyk(71.8%, 54.7%, 0%, 33.3%)
CIE-LAB	lab(35.67, 21.88, -53.12)
CIE-LCH	lch(35.67, 57.45, 292.38°)
OKLab	oklab(45.35% -0.008 -0.1529)
OKLCH	oklch(45.35% 0.153 267)
XYZ	xyz(11.1260, 8.8373, 39.1418)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304DAA #AA8D30

analogous

#308AAA #304DAA #5030AA

triadic

#304DAA #AA304D #4DAA30

tetradic

#304DAA #AA308A #AA8D30 #30AA50

square

#304DAA #AA308A #AA8D30 #30AA50

split-complementary

#304DAA #AA5030 #8AAA30

monochromatic

#15224B #23377A #304DAA #4B6ACC #7B91DA

Accessibility & contrast

On white

7.59

#304DAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#304DAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304DAA

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304DAA	#FFFFFF	#000000	##FFFFFF
##304DAA	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#015AAD

Deuteranopia (green-blind)

#004FA8

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #304daa;
/* rgb */ color: rgb(48, 77, 170);
/* oklch */ color: oklch(45.3% 0.153 267.0);

Tailwind

colors: {
  custom: {
    50: '#787ec4',
    500: '#304daa',
    950: '#000000',
  },
}

SCSS

$custom: #304daa;
$custom-light: #787ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#304daa",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 170
  },
  "hsl": {
    "h": 225.738,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45347,
    "c": 0.15312,
    "h": 267
  },
  "luminance": 0.08838
}

Semantic roles & 50–950 ramp

primary

#304DAA

secondary

#C2AF74

accent

#BB49DF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304DAA

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

Preview Lab → · Contrast checker → · Palette generator →