#4242CA#4242CA

#4242CA is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.1% C 0.204 H 275.2°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#4242CA
RGB	rgb(66, 66, 202)
HSL	hsl(240, 56%, 53%)
HSV	hsv(240, 67%, 79%)
CMYK	cmyk(67.3%, 67.3%, 0%, 20.8%)
CIE-LAB	lab(36.59, 42.63, -70.41)
CIE-LCH	lch(36.59, 82.31, 301.20°)
OKLab	oklab(47.11% 0.0185 -0.2033)
OKLCH	oklch(47.11% 0.204 275.2)
XYZ	xyz(14.8521, 9.3176, 56.8814)
Luminance	0.0932 (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

#4242CA #CACA42

analogous

#4286CA #4242CA #8642CA

triadic

#4242CA #CA4242 #42CA42

tetradic

#4242CA #CA4286 #CACA42 #42CA86

square

#4242CA #CA4286 #CACA42 #42CA86

split-complementary

#4242CA #CA8642 #86CA42

monochromatic

#202072 #2D2DA2 #4242CA #7272D7 #A2A2E5

Accessibility & contrast

On white

7.33

#4242CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4242CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4242CA

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4242CA	#FFFFFF	#000000	##FFFFFF
##4242CA	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCE

Deuteranopia (green-blind)

#0050C7

Tritanopia (blue-blind)

#006680

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4242ca;
/* rgb */ color: rgb(66, 66, 202);
/* oklch */ color: oklch(47.1% 0.204 275.2);

Tailwind

colors: {
  custom: {
    50: '#8877db',
    500: '#4242ca',
    950: '#000000',
  },
}

SCSS

$custom: #4242ca;
$custom-light: #8877db;
$custom-dark: #000000;

JSON

{
  "hex": "#4242ca",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 202
  },
  "hsl": {
    "h": 240,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.47109,
    "c": 0.20415,
    "h": 275.2
  },
  "luminance": 0.09319
}

Semantic roles & 50–950 ramp

primary

#4242CA

secondary

#D1D196

accent

#DF48DF

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4242CA

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

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