#304FAD#304FAD

#304FAD is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.0% C 0.155 H 266.5°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#304FAD
RGB	rgb(48, 79, 173)
HSL	hsl(225, 57%, 43%)
HSV	hsv(225, 72%, 68%)
CMYK	cmyk(72.3%, 54.3%, 0%, 32.2%)
CIE-LAB	lab(36.44, 21.68, -53.67)
CIE-LCH	lch(36.44, 57.88, 292.00°)
OKLab	oklab(46% -0.0095 -0.1545)
OKLCH	oklch(46% 0.155 266.5)
XYZ	xyz(11.5551, 9.2363, 40.7009)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304FAD #AD8E30

analogous

#308DAD #304FAD #4F30AD

triadic

#304FAD #AD304F #4FAD30

tetradic

#304FAD #AD308D #AD8E30 #30AD4F

square

#304FAD #AD308D #AD8E30 #30AD4F

split-complementary

#304FAD #AD4F30 #8DAD30

monochromatic

#15234D #23397D #304FAD #4D6DCE #7D94DB

Accessibility & contrast

On white

7.38

#304FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#304FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304FAD

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304FAD	#FFFFFF	#000000	##FFFFFF
##304FAD	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#045CB0

Deuteranopia (green-blind)

#0050AB

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #304fad;
/* rgb */ color: rgb(48, 79, 173);
/* oklch */ color: oklch(46.0% 0.155 266.5);

Tailwind

colors: {
  custom: {
    50: '#797fc6',
    500: '#304fad',
    950: '#000000',
  },
}

SCSS

$custom: #304fad;
$custom-light: #797fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#304fad",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 173
  },
  "hsl": {
    "h": 225.12,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45995,
    "c": 0.15477,
    "h": 266.5
  },
  "luminance": 0.09237
}

Semantic roles & 50–950 ramp

primary

#304FAD

secondary

#C3B075

accent

#BA48E0

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #304FAD

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

Preview Lab → · Contrast checker → · Palette generator →