#4239C6#4239C6

#4239C6 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.4% C 0.209 H 276.9°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#4239C6
RGB	rgb(66, 57, 198)
HSL	hsl(244, 55%, 50%)
HSV	hsv(244, 71%, 78%)
CMYK	cmyk(66.7%, 71.2%, 0%, 22.4%)
CIE-LAB	lab(34.31, 46.55, -71.81)
CIE-LCH	lch(34.31, 85.58, 302.95°)
OKLab	oklab(45.36% 0.0251 -0.2074)
OKLCH	oklch(45.36% 0.209 276.9)
XYZ	xyz(13.8996, 8.1605, 54.2578)
Luminance	0.0816 (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

#4239C6 #BDC639

analogous

#3976C6 #4239C6 #8939C6

triadic

#4239C6 #C64239 #39C642

tetradic

#4239C6 #C63976 #BDC639 #39C689

square

#4239C6 #C63976 #BDC639 #39C689

split-complementary

#4239C6 #C68939 #76C639

monochromatic

#221E67 #322B96 #4239C6 #6F69D4 #9D98E1

Accessibility & contrast

On white

7.98

#4239C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#4239C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4239C6

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4239C6	#FFFFFF	#000000	##FFFFFF
##4239C6	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CA

Deuteranopia (green-blind)

#004BC3

Tritanopia (blue-blind)

#00607C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4239c6;
/* rgb */ color: rgb(66, 57, 198);
/* oklch */ color: oklch(45.4% 0.209 276.9);

Tailwind

colors: {
  custom: {
    50: '#8771d9',
    500: '#4239c6',
    950: '#000000',
  },
}

SCSS

$custom: #4239c6;
$custom-light: #8771d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4239c6",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 198
  },
  "hsl": {
    "h": 243.83,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.45363,
    "c": 0.20892,
    "h": 276.9
  },
  "luminance": 0.08162
}

Semantic roles & 50–950 ramp

primary

#4239C6

secondary

#C9CD8E

accent

#DF49D5

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4239C6

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

Preview Lab → · Contrast checker → · Palette generator →