#4742E7#4742E7

#4742E7 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.2% C 0.238 H 274.9°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#4742E7
RGB	rgb(71, 66, 231)
HSL	hsl(242, 77%, 58%)
HSV	hsv(242, 71%, 91%)
CMYK	cmyk(69.3%, 71.4%, 0%, 9.4%)
CIE-LAB	lab(39.59, 52.58, -82.12)
CIE-LCH	lch(39.59, 97.51, 302.63°)
OKLab	oklab(50.16% 0.0203 -0.2374)
OKLCH	oklch(50.16% 0.238 274.9)
XYZ	xyz(18.9658, 11.0037, 76.7102)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4742E7 #E2E742

analogous

#428FE7 #4742E7 #9942E7

triadic

#4742E7 #E74742 #42E747

tetradic

#4742E7 #E7428F #E2E742 #42E799

square

#4742E7 #E7428F #E2E742 #42E799

split-complementary

#4742E7 #E79942 #8FE742

monochromatic

#18149B #201BD1 #4742E7 #7C78EE #B1AFF5

Accessibility & contrast

On white

6.56

#4742E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#4742E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4742E7

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742E7	#FFFFFF	#000000	##FFFFFF
##4742E7	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065EC

Deuteranopia (green-blind)

#0056E4

Tritanopia (blue-blind)

#007190

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4742e7;
/* rgb */ color: rgb(71, 66, 231);
/* oklch */ color: oklch(50.2% 0.238 274.9);

Tailwind

colors: {
  custom: {
    50: '#9078f0',
    500: '#4742e7',
    950: '#000000',
  },
}

SCSS

$custom: #4742e7;
$custom-light: #9078f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4742e7",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 231
  },
  "hsl": {
    "h": 241.818,
    "s": 77.465,
    "l": 58.235
  },
  "oklch": {
    "l": 0.50156,
    "c": 0.23829,
    "h": 274.9
  },
  "luminance": 0.11006
}

Semantic roles & 50–950 ramp

primary

#4742E7

secondary

#E1E3A2

accent

#F434EE

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0917

muted

#7E7B85

Preview Lab

Preview with #4742E7

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

Preview Lab → · Contrast checker → · Palette generator →