#4247D7#4247D7

#4247D7 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.1% C 0.215 H 273.7°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#4247D7
RGB	rgb(66, 71, 215)
HSL	hsl(238, 65%, 55%)
HSV	hsv(238, 69%, 84%)
CMYK	cmyk(69.3%, 67%, 0%, 15.7%)
CIE-LAB	lab(38.85, 43.99, -74.21)
CIE-LCH	lch(38.85, 86.27, 300.66°)
OKLab	oklab(49.1% 0.0138 -0.2144)
OKLCH	oklch(49.1% 0.215 273.7)
XYZ	xyz(16.7617, 10.5694, 65.4336)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4247D7 #D7D242

analogous

#4291D7 #4247D7 #8842D7

triadic

#4247D7 #D74247 #47D742

tetradic

#4247D7 #D74291 #D7D242 #42D788

square

#4247D7 #D74291 #D7D242 #42D788

split-complementary

#4247D7 #D78842 #91D742

monochromatic

#1C1F83 #262BB5 #4247D7 #7578E2 #A7A9EC

Accessibility & contrast

On white

6.74

#4247D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4247D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4247D7

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247D7	#FFFFFF	#000000	##FFFFFF
##4247D7	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DB

Deuteranopia (green-blind)

#0055D4

Tritanopia (blue-blind)

#006E89

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4247d7;
/* rgb */ color: rgb(66, 71, 215);
/* oklch */ color: oklch(49.1% 0.215 273.7);

Tailwind

colors: {
  custom: {
    50: '#8a7be5',
    500: '#4247d7',
    950: '#000000',
  },
}

SCSS

$custom: #4247d7;
$custom-light: #8a7be5;
$custom-dark: #000000;

JSON

{
  "hex": "#4247d7",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 215
  },
  "hsl": {
    "h": 237.987,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49096,
    "c": 0.21489,
    "h": 273.7
  },
  "luminance": 0.10571
}

Semantic roles & 50–950 ramp

primary

#4247D7

secondary

#DAD89B

accent

#E240E8

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4247D7

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

Preview Lab → · Contrast checker → · Palette generator →