#4247C3#4247C3

#4247C3 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.3% C 0.189 H 274.7°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#4247C3
RGB	rgb(66, 71, 195)
HSL	hsl(238, 52%, 51%)
HSV	hsv(238, 66%, 76%)
CMYK	cmyk(66.2%, 63.6%, 0%, 23.5%)
CIE-LAB	lab(37.12, 37.25, -65.46)
CIE-LCH	lch(37.12, 75.31, 299.64°)
OKLab	oklab(47.31% 0.0155 -0.1888)
OKLCH	oklch(47.31% 0.189 274.7)
XYZ	xyz(14.3471, 9.6036, 52.7168)
Luminance	0.0960 (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

#4247C3 #C3BE42

analogous

#4287C3 #4247C3 #7D42C3

triadic

#4247C3 #C34247 #47C342

tetradic

#4247C3 #C34287 #C3BE42 #42C37D

square

#4247C3 #C34287 #C3BE42 #42C37D

split-complementary

#4247C3 #C37D42 #87C342

monochromatic

#212469 #303498 #4247C3 #7074D2 #9FA1E0

Accessibility & contrast

On white

7.19

#4247C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#4247C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4247C3

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247C3	#FFFFFF	#000000	##FFFFFF
##4247C3	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC7

Deuteranopia (green-blind)

#0052C1

Tritanopia (blue-blind)

#00677E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4247c3;
/* rgb */ color: rgb(66, 71, 195);
/* oklch */ color: oklch(47.3% 0.189 274.7);

Tailwind

colors: {
  custom: {
    50: '#867ad6',
    500: '#4247c3',
    950: '#000000',
  },
}

SCSS

$custom: #4247c3;
$custom-light: #867ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#4247c3",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 195
  },
  "hsl": {
    "h": 237.674,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.47311,
    "c": 0.18943,
    "h": 274.7
  },
  "luminance": 0.09605
}

Semantic roles & 50–950 ramp

primary

#4247C3

secondary

#CDCB94

accent

#D64DDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4247C3

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

Preview Lab → · Contrast checker → · Palette generator →