#4239C5#4239C5

#4239C5 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.3% C 0.208 H 277.0°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#4239C5
RGB	rgb(66, 57, 197)
HSL	hsl(244, 55%, 50%)
HSV	hsv(244, 71%, 77%)
CMYK	cmyk(66.5%, 71.1%, 0%, 22.7%)
CIE-LAB	lab(34.22, 46.23, -71.38)
CIE-LCH	lch(34.22, 85.05, 302.93°)
OKLab	oklab(45.27% 0.0252 -0.2062)
OKLCH	oklch(45.27% 0.208 277)
XYZ	xyz(13.7847, 8.1145, 53.6523)
Luminance	0.0812 (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

#4239C5 #BCC539

analogous

#3976C5 #4239C5 #8839C5

triadic

#4239C5 #C54239 #39C542

tetradic

#4239C5 #C53976 #BCC539 #39C588

square

#4239C5 #C53976 #BCC539 #39C588

split-complementary

#4239C5 #C58839 #76C539

monochromatic

#221E66 #322B96 #4239C5 #6F68D3 #9C97E1

Accessibility & contrast

On white

8.01

#4239C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#4239C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4239C5

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4239C5	#FFFFFF	#000000	##FFFFFF
##4239C5	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C9

Deuteranopia (green-blind)

#004AC2

Tritanopia (blue-blind)

#00607B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4239c5;
/* rgb */ color: rgb(66, 57, 197);
/* oklch */ color: oklch(45.3% 0.208 277.0);

Tailwind

colors: {
  custom: {
    50: '#8771d8',
    500: '#4239c5',
    950: '#000000',
  },
}

SCSS

$custom: #4239c5;
$custom-light: #8771d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4239c5",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 197
  },
  "hsl": {
    "h": 243.857,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45267,
    "c": 0.2077,
    "h": 277
  },
  "luminance": 0.08116
}

Semantic roles & 50–950 ramp

primary

#4239C5

secondary

#C9CD8D

accent

#DE49D5

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4239C5

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

Preview Lab → · Contrast checker → · Palette generator →