#4239C1#4239C1

#4239C1 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.9% C 0.203 H 277.3°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#4239C1
RGB	rgb(66, 57, 193)
HSL	hsl(244, 54%, 49%)
HSV	hsv(244, 70%, 76%)
CMYK	cmyk(65.8%, 70.5%, 0%, 24.3%)
CIE-LAB	lab(33.84, 44.95, -69.66)
CIE-LCH	lch(33.84, 82.90, 302.83°)
OKLab	oklab(44.88% 0.0259 -0.2011)
OKLCH	oklch(44.88% 0.203 277.3)
XYZ	xyz(13.3324, 7.9336, 51.2705)
Luminance	0.0794 (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

#4239C1 #B8C139

analogous

#3974C1 #4239C1 #8639C1

triadic

#4239C1 #C14239 #39C142

tetradic

#4239C1 #C13974 #B8C139 #39C186

square

#4239C1 #C13974 #B8C139 #39C186

split-complementary

#4239C1 #C18639 #74C139

monochromatic

#221D63 #322B92 #4239C1 #6D66D2 #9A95E0

Accessibility & contrast

On white

8.12

#4239C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4239C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4239C1

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4239C1	#FFFFFF	#000000	##FFFFFF
##4239C1	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C5

Deuteranopia (green-blind)

#004ABE

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4239c1;
/* rgb */ color: rgb(66, 57, 193);
/* oklch */ color: oklch(44.9% 0.203 277.3);

Tailwind

colors: {
  custom: {
    50: '#8671d5',
    500: '#4239c1',
    950: '#000000',
  },
}

SCSS

$custom: #4239c1;
$custom-light: #8671d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4239c1",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 193
  },
  "hsl": {
    "h": 243.971,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.44884,
    "c": 0.20278,
    "h": 277.3
  },
  "luminance": 0.07935
}

Semantic roles & 50–950 ramp

primary

#4239C1

secondary

#C7CB8B

accent

#DE4AD4

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4239C1

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

Preview Lab → · Contrast checker → · Palette generator →