#304DAD#304DAD

#304DAD is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.157 H 267.2°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#304DAD
RGB	rgb(48, 77, 173)
HSL	hsl(226, 57%, 43%)
HSV	hsv(226, 72%, 68%)
CMYK	cmyk(72.3%, 55.5%, 0%, 32.2%)
CIE-LAB	lab(35.89, 23.00, -54.55)
CIE-LCH	lch(35.89, 59.20, 292.87°)
OKLab	oklab(45.59% -0.0078 -0.1571)
OKLCH	oklch(45.59% 0.157 267.2)
XYZ	xyz(11.4130, 8.9521, 40.6535)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304DAD #AD9030

analogous

#308BAD #304DAD #5130AD

triadic

#304DAD #AD304D #4DAD30

tetradic

#304DAD #AD308B #AD9030 #30AD51

square

#304DAD #AD308B #AD9030 #30AD51

split-complementary

#304DAD #AD5130 #8BAD30

monochromatic

#15224D #23387D #304DAD #4D6BCE #7D92DB

Accessibility & contrast

On white

7.53

#304DAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#304DAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304DAD

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304DAD	#FFFFFF	#000000	##FFFFFF
##304DAD	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB0

Deuteranopia (green-blind)

#004FAB

Tritanopia (blue-blind)

#006475

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #304dad;
/* rgb */ color: rgb(48, 77, 173);
/* oklch */ color: oklch(45.6% 0.157 267.2);

Tailwind

colors: {
  custom: {
    50: '#797ec6',
    500: '#304dad',
    950: '#000000',
  },
}

SCSS

$custom: #304dad;
$custom-light: #797ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#304dad",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 173
  },
  "hsl": {
    "h": 226.08,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45586,
    "c": 0.15729,
    "h": 267.2
  },
  "luminance": 0.08953
}

Semantic roles & 50–950 ramp

primary

#304DAD

secondary

#C3B175

accent

#BD48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #304DAD

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

Preview Lab → · Contrast checker → · Palette generator →