#304CD7#304CD7

#304CD7 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.0% C 0.214 H 268.1°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#304CD7
RGB	rgb(48, 76, 215)
HSL	hsl(230, 68%, 52%)
HSV	hsv(230, 78%, 84%)
CMYK	cmyk(77.7%, 64.7%, 0%, 15.7%)
CIE-LAB	lab(39.07, 39.06, -73.88)
CIE-LCH	lch(39.07, 83.57, 297.87°)
OKLab	oklab(49.02% -0.007 -0.2138)
OKLCH	oklch(49.02% 0.214 268.1)
XYZ	xyz(16.0649, 10.7017, 65.4958)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304CD7 #D7BB30

analogous

#30A0D7 #304CD7 #6830D7

triadic

#304CD7 #D7304C #4CD730

tetradic

#304CD7 #D730A0 #D7BB30 #30D768

square

#304CD7 #D730A0 #D7BB30 #30D768

split-complementary

#304CD7 #D76830 #A0D730

monochromatic

#172776 #2138A9 #304CD7 #6378E1 #97A5EB

Accessibility & contrast

On white

6.69

#304CD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#304CD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #304CD7

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304CD7	#FFFFFF	#000000	##FFFFFF
##304CD7	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064DB

Deuteranopia (green-blind)

#0054D4

Tritanopia (blue-blind)

#00718B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #304cd7;
/* rgb */ color: rgb(48, 76, 215);
/* oklch */ color: oklch(49.0% 0.214 268.1);

Tailwind

colors: {
  custom: {
    50: '#837ee4',
    500: '#304cd7',
    950: '#000000',
  },
}

SCSS

$custom: #304cd7;
$custom-light: #837ee4;
$custom-dark: #000000;

JSON

{
  "hex": "#304cd7",
  "rgb": {
    "r": 48,
    "g": 76,
    "b": 215
  },
  "hsl": {
    "h": 229.94,
    "s": 67.611,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49015,
    "c": 0.21392,
    "h": 268.1
  },
  "luminance": 0.10704
}

Semantic roles & 50–950 ramp

primary

#304CD7

secondary

#D6CA8D

accent

#CD3DEA

background

#F8F7FE

surface

#F0EEFC

border

#CBC9D5

text

#0D0A16

muted

#7D7C84

Preview Lab

Preview with #304CD7

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

Preview Lab → · Contrast checker → · Palette generator →