#304EC2#304EC2

#304EC2 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.5% C 0.185 H 267.6°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#304EC2
RGB	rgb(48, 78, 194)
HSL	hsl(228, 60%, 47%)
HSV	hsv(228, 75%, 76%)
CMYK	cmyk(75.3%, 59.8%, 0%, 23.9%)
CIE-LAB	lab(37.79, 30.16, -63.82)
CIE-LCH	lch(37.79, 70.59, 295.30°)
OKLab	oklab(47.52% -0.0078 -0.1843)
OKLCH	oklch(47.52% 0.185 267.6)
XYZ	xyz(13.6775, 9.9707, 52.2322)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304EC2 #C2A430

analogous

#3097C2 #304EC2 #5B30C2

triadic

#304EC2 #C2304E #4EC230

tetradic

#304EC2 #C23097 #C2A430 #30C25B

square

#304EC2 #C23097 #C2A430 #30C25B

split-complementary

#304EC2 #C25B30 #97C230

monochromatic

#182760 #243A91 #304EC2 #5973D6 #8A9CE2

Accessibility & contrast

On white

7.01

#304EC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#304EC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304EC2

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304EC2	#FFFFFF	#000000	##FFFFFF
##304EC2	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C6

Deuteranopia (green-blind)

#0052C0

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #304ec2;
/* rgb */ color: rgb(48, 78, 194);
/* oklch */ color: oklch(47.5% 0.185 267.6);

Tailwind

colors: {
  custom: {
    50: '#7e7fd5',
    500: '#304ec2',
    950: '#000000',
  },
}

SCSS

$custom: #304ec2;
$custom-light: #7e7fd5;
$custom-dark: #000000;

JSON

{
  "hex": "#304ec2",
  "rgb": {
    "r": 48,
    "g": 78,
    "b": 194
  },
  "hsl": {
    "h": 227.671,
    "s": 60.331,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47519,
    "c": 0.18451,
    "h": 267.6
  },
  "luminance": 0.09972
}

Semantic roles & 50–950 ramp

primary

#304EC2

secondary

#CCBD82

accent

#C344E3

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #304EC2

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

Preview Lab → · Contrast checker → · Palette generator →