#304AC1#304AC1

#304AC1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.7% C 0.188 H 268.4°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#304AC1
RGB	rgb(48, 74, 193)
HSL	hsl(229, 60%, 47%)
HSV	hsv(229, 75%, 76%)
CMYK	cmyk(75.1%, 61.7%, 0%, 24.3%)
CIE-LAB	lab(36.70, 32.38, -65.02)
CIE-LCH	lch(36.70, 72.64, 296.47°)
OKLab	oklab(46.68% -0.0051 -0.1879)
OKLCH	oklch(46.68% 0.188 268.4)
XYZ	xyz(13.2900, 9.3747, 51.5508)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304AC1 #C1A730

analogous

#3093C1 #304AC1 #5E30C1

triadic

#304AC1 #C1304A #4AC130

tetradic

#304AC1 #C13093 #C1A730 #30C15E

square

#304AC1 #C13093 #C1A730 #30C15E

split-complementary

#304AC1 #C15E30 #93C130

monochromatic

#18245F #243790 #304AC1 #596FD6 #8A99E2

Accessibility & contrast

On white

7.30

#304AC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#304AC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304AC1

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304AC1	#FFFFFF	#000000	##FFFFFF
##304AC1	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC5

Deuteranopia (green-blind)

#0050BF

Tritanopia (blue-blind)

#00697E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #304ac1;
/* rgb */ color: rgb(48, 74, 193);
/* oklch */ color: oklch(46.7% 0.188 268.4);

Tailwind

colors: {
  custom: {
    50: '#7e7cd5',
    500: '#304ac1',
    950: '#000000',
  },
}

SCSS

$custom: #304ac1;
$custom-light: #7e7cd5;
$custom-dark: #000000;

JSON

{
  "hex": "#304ac1",
  "rgb": {
    "r": 48,
    "g": 74,
    "b": 193
  },
  "hsl": {
    "h": 229.241,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.46682,
    "c": 0.18798,
    "h": 268.4
  },
  "luminance": 0.09376
}

Semantic roles & 50–950 ramp

primary

#304AC1

secondary

#CCBE81

accent

#C744E3

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #304AC1

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

Preview Lab → · Contrast checker → · Palette generator →