#4242CD#4242CD

#4242CD is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.4% C 0.208 H 275.0°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#4242CD
RGB	rgb(66, 66, 205)
HSL	hsl(240, 58%, 53%)
HSV	hsv(240, 68%, 80%)
CMYK	cmyk(67.8%, 67.8%, 0%, 19.6%)
CIE-LAB	lab(36.86, 43.63, -71.71)
CIE-LCH	lch(36.86, 83.94, 301.32°)
OKLab	oklab(47.39% 0.0182 -0.2071)
OKLCH	oklch(47.39% 0.208 275)
XYZ	xyz(15.2108, 9.4611, 58.7703)
Luminance	0.0946 (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

#4242CD #CDCD42

analogous

#4287CD #4242CD #8742CD

triadic

#4242CD #CD4242 #42CD42

tetradic

#4242CD #CD4287 #CDCD42 #42CD87

square

#4242CD #CD4287 #CDCD42 #42CD87

split-complementary

#4242CD #CD8742 #87CD42

monochromatic

#1F1F76 #2C2CA6 #4242CD #7272DA #A3A3E7

Accessibility & contrast

On white

7.26

#4242CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#4242CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4242CD

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4242CD	#FFFFFF	#000000	##FFFFFF
##4242CD	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD1

Deuteranopia (green-blind)

#0050CA

Tritanopia (blue-blind)

#006782

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4242cd;
/* rgb */ color: rgb(66, 66, 205);
/* oklch */ color: oklch(47.4% 0.208 275.0);

Tailwind

colors: {
  custom: {
    50: '#8877dd',
    500: '#4242cd',
    950: '#000000',
  },
}

SCSS

$custom: #4242cd;
$custom-light: #8877dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4242cd",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 205
  },
  "hsl": {
    "h": 240,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47385,
    "c": 0.20792,
    "h": 275
  },
  "luminance": 0.09462
}

Semantic roles & 50–950 ramp

primary

#4242CD

secondary

#D3D397

accent

#E146E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4242CD

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

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