#4239C2#4239C2

#4239C2 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 45.0% C 0.204 H 277.2°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#4239C2
RGB	rgb(66, 57, 194)
HSL	hsl(244, 55%, 49%)
HSV	hsv(244, 71%, 76%)
CMYK	cmyk(66%, 70.6%, 0%, 23.9%)
CIE-LAB	lab(33.94, 45.27, -70.09)
CIE-LCH	lch(33.94, 83.44, 302.86°)
OKLab	oklab(44.98% 0.0257 -0.2024)
OKLCH	oklch(44.98% 0.204 277.2)
XYZ	xyz(13.4443, 7.9784, 51.8600)
Luminance	0.0798 (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

#4239C2 #B9C239

analogous

#3974C2 #4239C2 #8739C2

triadic

#4239C2 #C24239 #39C242

tetradic

#4239C2 #C23974 #B9C239 #39C287

square

#4239C2 #C23974 #B9C239 #39C287

split-complementary

#4239C2 #C28739 #74C239

monochromatic

#221D63 #322B93 #4239C2 #6D66D2 #9A95E0

Accessibility & contrast

On white

8.09

#4239C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4239C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4239C2

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4239C2	#FFFFFF	#000000	##FFFFFF
##4239C2	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C6

Deuteranopia (green-blind)

#004ABF

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4239c2;
/* rgb */ color: rgb(66, 57, 194);
/* oklch */ color: oklch(45.0% 0.204 277.2);

Tailwind

colors: {
  custom: {
    50: '#8771d6',
    500: '#4239c2',
    950: '#000000',
  },
}

SCSS

$custom: #4239c2;
$custom-light: #8771d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4239c2",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 194
  },
  "hsl": {
    "h": 243.942,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.44979,
    "c": 0.20402,
    "h": 277.2
  },
  "luminance": 0.0798
}

Semantic roles & 50–950 ramp

primary

#4239C2

secondary

#C7CB8B

accent

#DE4AD4

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4239C2

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

Preview Lab → · Contrast checker → · Palette generator →