#4247C4#4247C4

#4247C4 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.4% C 0.191 H 274.6°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#4247C4
RGB	rgb(66, 71, 196)
HSL	hsl(238, 52%, 51%)
HSV	hsv(238, 66%, 77%)
CMYK	cmyk(66.3%, 63.8%, 0%, 23.1%)
CIE-LAB	lab(37.20, 37.59, -65.90)
CIE-LCH	lch(37.20, 75.87, 299.70°)
OKLab	oklab(47.4% 0.0155 -0.1901)
OKLCH	oklch(47.4% 0.191 274.6)
XYZ	xyz(14.4605, 9.6490, 53.3142)
Luminance	0.0965 (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

#4247C4 #C4BF42

analogous

#4288C4 #4247C4 #7E42C4

triadic

#4247C4 #C44247 #47C442

tetradic

#4247C4 #C44288 #C4BF42 #42C47E

square

#4247C4 #C44288 #C4BF42 #42C47E

split-complementary

#4247C4 #C47E42 #88C442

monochromatic

#21246A #303499 #4247C4 #7174D3 #9FA2E1

Accessibility & contrast

On white

7.17

#4247C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#4247C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4247C4

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4247C4	#FFFFFF	#000000	##FFFFFF
##4247C4	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC8

Deuteranopia (green-blind)

#0052C2

Tritanopia (blue-blind)

#00677F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4247c4;
/* rgb */ color: rgb(66, 71, 196);
/* oklch */ color: oklch(47.4% 0.191 274.6);

Tailwind

colors: {
  custom: {
    50: '#867ad7',
    500: '#4247c4',
    950: '#000000',
  },
}

SCSS

$custom: #4247c4;
$custom-light: #867ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#4247c4",
  "rgb": {
    "r": 66,
    "g": 71,
    "b": 196
  },
  "hsl": {
    "h": 237.692,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.47398,
    "c": 0.19073,
    "h": 274.6
  },
  "luminance": 0.0965
}

Semantic roles & 50–950 ramp

primary

#4247C4

secondary

#CECB94

accent

#D64CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4247C4

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

Preview Lab → · Contrast checker → · Palette generator →