#4742CF#4742CF

#4742CF is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.9% C 0.209 H 276.6°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#4742CF
RGB	rgb(71, 66, 207)
HSL	hsl(242, 59%, 54%)
HSV	hsv(242, 68%, 81%)
CMYK	cmyk(65.7%, 68.1%, 0%, 18.8%)
CIE-LAB	lab(37.37, 44.91, -72.01)
CIE-LCH	lch(37.37, 84.86, 301.95°)
OKLab	oklab(47.9% 0.0239 -0.2079)
OKLCH	oklch(47.9% 0.209 276.6)
XYZ	xyz(15.8056, 9.7397, 60.0664)
Luminance	0.0974 (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

#4742CF #CACF42

analogous

#4283CF #4742CF #8D42CF

triadic

#4742CF #CF4742 #42CF47

tetradic

#4742CF #CF4283 #CACF42 #42CF8D

square

#4742CF #CF4283 #CACF42 #42CF8D

split-complementary

#4742CF #CF8D42 #83CF42

monochromatic

#221F78 #2F2BA9 #4742CF #7773DB #A6A4E8

Accessibility & contrast

On white

7.12

#4742CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4742CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4742CF

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742CF	#FFFFFF	#000000	##FFFFFF
##4742CF	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED3

Deuteranopia (green-blind)

#0052CC

Tritanopia (blue-blind)

#006883

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4742cf;
/* rgb */ color: rgb(71, 66, 207);
/* oklch */ color: oklch(47.9% 0.209 276.6);

Tailwind

colors: {
  custom: {
    50: '#8b77df',
    500: '#4742cf',
    950: '#000000',
  },
}

SCSS

$custom: #4742cf;
$custom-light: #8b77df;
$custom-dark: #000000;

JSON

{
  "hex": "#4742cf",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 207
  },
  "hsl": {
    "h": 242.128,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.47897,
    "c": 0.20925,
    "h": 276.6
  },
  "luminance": 0.09741
}

Semantic roles & 50–950 ramp

primary

#4742CF

secondary

#D2D598

accent

#E345DD

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4742CF

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

Preview Lab → · Contrast checker → · Palette generator →