#304DC2#304DC2

#304DC2 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.3% C 0.186 H 267.8°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#304DC2
RGB	rgb(48, 77, 194)
HSL	hsl(228, 60%, 47%)
HSV	hsv(228, 75%, 76%)
CMYK	cmyk(75.3%, 60.3%, 0%, 23.9%)
CIE-LAB	lab(37.53, 30.81, -64.24)
CIE-LCH	lch(37.53, 71.24, 295.62°)
OKLab	oklab(47.33% -0.0071 -0.1856)
OKLCH	oklch(47.33% 0.186 267.8)
XYZ	xyz(13.6070, 9.8297, 52.2087)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304DC2 #C2A530

analogous

#3096C2 #304DC2 #5C30C2

triadic

#304DC2 #C2304D #4DC230

tetradic

#304DC2 #C23096 #C2A530 #30C25C

square

#304DC2 #C23096 #C2A530 #30C25C

split-complementary

#304DC2 #C25C30 #96C230

monochromatic

#182660 #243A91 #304DC2 #5972D6 #8A9CE2

Accessibility & contrast

On white

7.08

#304DC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#304DC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304DC2

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304DC2	#FFFFFF	#000000	##FFFFFF
##304DC2	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC6

Deuteranopia (green-blind)

#0052C0

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #304dc2;
/* rgb */ color: rgb(48, 77, 194);
/* oklch */ color: oklch(47.3% 0.186 267.8);

Tailwind

colors: {
  custom: {
    50: '#7e7ed5',
    500: '#304dc2',
    950: '#000000',
  },
}

SCSS

$custom: #304dc2;
$custom-light: #7e7ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#304dc2",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 194
  },
  "hsl": {
    "h": 228.082,
    "s": 60.331,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4733,
    "c": 0.18571,
    "h": 267.8
  },
  "luminance": 0.09831
}

Semantic roles & 50–950 ramp

primary

#304DC2

secondary

#CCBD82

accent

#C444E3

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #304DC2

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

Preview Lab → · Contrast checker → · Palette generator →