#4042C6#4042C6

#4042C6 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.6% C 0.200 H 274.8°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#4042C6
RGB	rgb(64, 66, 198)
HSL	hsl(239, 54%, 51%)
HSV	hsv(239, 68%, 78%)
CMYK	cmyk(67.7%, 66.7%, 0%, 22.4%)
CIE-LAB	lab(36.10, 41.05, -68.88)
CIE-LCH	lch(36.10, 80.18, 300.79°)
OKLab	oklab(46.62% 0.0166 -0.1989)
OKLCH	oklch(46.62% 0.2 274.8)
XYZ	xyz(14.2522, 9.0623, 54.4133)
Luminance	0.0906 (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

#4042C6 #C6C440

analogous

#4085C6 #4042C6 #8140C6

triadic

#4042C6 #C64042 #42C640

tetradic

#4042C6 #C64085 #C6C440 #40C681

square

#4042C6 #C64085 #C6C440 #40C681

split-complementary

#4042C6 #C68140 #85C640

monochromatic

#20216C #2E309B #4042C6 #6F71D4 #9E9FE2

Accessibility & contrast

On white

7.47

#4042C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#4042C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4042C6

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4042C6	#FFFFFF	#000000	##FFFFFF
##4042C6	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCA

Deuteranopia (green-blind)

#004FC4

Tritanopia (blue-blind)

#00657E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4042c6;
/* rgb */ color: rgb(64, 66, 198);
/* oklch */ color: oklch(46.6% 0.200 274.8);

Tailwind

colors: {
  custom: {
    50: '#8677d8',
    500: '#4042c6',
    950: '#000000',
  },
}

SCSS

$custom: #4042c6;
$custom-light: #8677d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4042c6",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 198
  },
  "hsl": {
    "h": 239.104,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46615,
    "c": 0.19958,
    "h": 274.8
  },
  "luminance": 0.09064
}

Semantic roles & 50–950 ramp

primary

#4042C6

secondary

#CECE93

accent

#DB4ADD

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #4042C6

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

Preview Lab → · Contrast checker → · Palette generator →