#304CC2#304CC2

#304CC2 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.1% C 0.187 H 268.0°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#304CC2
RGB	rgb(48, 76, 194)
HSL	hsl(228, 60%, 47%)
HSV	hsv(228, 75%, 76%)
CMYK	cmyk(75.3%, 60.8%, 0%, 23.9%)
CIE-LAB	lab(37.28, 31.46, -64.65)
CIE-LCH	lch(37.28, 71.90, 295.95°)
OKLab	oklab(47.14% -0.0065 -0.1868)
OKLCH	oklch(47.14% 0.187 268)
XYZ	xyz(13.5376, 9.6908, 52.1855)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304CC2 #C2A630

analogous

#3095C2 #304CC2 #5D30C2

triadic

#304CC2 #C2304C #4CC230

tetradic

#304CC2 #C23095 #C2A630 #30C25D

square

#304CC2 #C23095 #C2A630 #30C25D

split-complementary

#304CC2 #C25D30 #95C230

monochromatic

#182660 #243991 #304CC2 #5971D6 #8A9BE2

Accessibility & contrast

On white

7.15

#304CC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#304CC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304CC2

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304CC2	#FFFFFF	#000000	##FFFFFF
##304CC2	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC6

Deuteranopia (green-blind)

#0051C0

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #304cc2;
/* rgb */ color: rgb(48, 76, 194);
/* oklch */ color: oklch(47.1% 0.187 268.0);

Tailwind

colors: {
  custom: {
    50: '#7e7dd5',
    500: '#304cc2',
    950: '#000000',
  },
}

SCSS

$custom: #304cc2;
$custom-light: #7e7dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#304cc2",
  "rgb": {
    "r": 48,
    "g": 76,
    "b": 194
  },
  "hsl": {
    "h": 228.493,
    "s": 60.331,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47141,
    "c": 0.18691,
    "h": 268
  },
  "luminance": 0.09692
}

Semantic roles & 50–950 ramp

primary

#304CC2

secondary

#CCBE82

accent

#C544E3

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #304CC2

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

Preview Lab → · Contrast checker → · Palette generator →