#4242DC#4242DC

#4242DC is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.8% C 0.226 H 274.1°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#4242DC
RGB	rgb(66, 66, 220)
HSL	hsl(240, 69%, 56%)
HSV	hsv(240, 70%, 86%)
CMYK	cmyk(70%, 70%, 0%, 13.7%)
CIE-LAB	lab(38.23, 48.54, -78.09)
CIE-LCH	lch(38.23, 91.94, 301.87°)
OKLab	oklab(48.8% 0.0162 -0.2258)
OKLCH	oklch(48.8% 0.226 274.1)
XYZ	xyz(17.1090, 10.2203, 68.7673)
Luminance	0.1022 (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

#4242DC #DCDC42

analogous

#428FDC #4242DC #8F42DC

triadic

#4242DC #DC4242 #42DC42

tetradic

#4242DC #DC428F #DCDC42 #42DC8F

square

#4242DC #DC428F #DCDC42 #42DC8F

split-complementary

#4242DC #DC8F42 #8FDC42

monochromatic

#1A1A8A #2323BE #4242DC #7676E6 #A9A9EF

Accessibility & contrast

On white

6.90

#4242DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#4242DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4242DC

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4242DC	#FFFFFF	#000000	##FFFFFF
##4242DC	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E1

Deuteranopia (green-blind)

#0053D9

Tritanopia (blue-blind)

#006D8A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4242dc;
/* rgb */ color: rgb(66, 66, 220);
/* oklch */ color: oklch(48.8% 0.226 274.1);

Tailwind

colors: {
  custom: {
    50: '#8b78e8',
    500: '#4242dc',
    950: '#000000',
  },
}

SCSS

$custom: #4242dc;
$custom-light: #8b78e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4242dc",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 220
  },
  "hsl": {
    "h": 240,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.48795,
    "c": 0.22634,
    "h": 274.1
  },
  "luminance": 0.10222
}

Semantic roles & 50–950 ramp

primary

#4242DC

secondary

#DDDD9D

accent

#EC3CEC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4242DC

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

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