#4742E1#4742E1

#4742E1 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.6% C 0.231 H 275.3°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#4742E1
RGB	rgb(71, 66, 225)
HSL	hsl(242, 73%, 57%)
HSV	hsv(242, 71%, 88%)
CMYK	cmyk(68.4%, 70.7%, 0%, 11.8%)
CIE-LAB	lab(39.02, 50.68, -79.64)
CIE-LCH	lch(39.02, 94.40, 302.47°)
OKLab	oklab(49.58% 0.0213 -0.2302)
OKLCH	oklch(49.58% 0.231 275.3)
XYZ	xyz(18.1329, 10.6706, 72.3236)
Luminance	0.1067 (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

#4742E1 #DCE142

analogous

#428CE1 #4742E1 #9742E1

triadic

#4742E1 #E14742 #42E147

tetradic

#4742E1 #E1428C #DCE142 #42E197

square

#4742E1 #E1428C #DCE142 #42E197

split-complementary

#4742E1 #E19742 #8CE142

monochromatic

#1B1792 #251FC6 #4742E1 #7A77E9 #AEACF2

Accessibility & contrast

On white

6.70

#4742E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#4742E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4742E1

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742E1	#FFFFFF	#000000	##FFFFFF
##4742E1	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E6

Deuteranopia (green-blind)

#0055DE

Tritanopia (blue-blind)

#006E8D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4742e1;
/* rgb */ color: rgb(71, 66, 225);
/* oklch */ color: oklch(49.6% 0.231 275.3);

Tailwind

colors: {
  custom: {
    50: '#8e78ec',
    500: '#4742e1',
    950: '#000000',
  },
}

SCSS

$custom: #4742e1;
$custom-light: #8e78ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4742e1",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 225
  },
  "hsl": {
    "h": 241.887,
    "s": 72.603,
    "l": 57.059
  },
  "oklch": {
    "l": 0.49581,
    "c": 0.23116,
    "h": 275.3
  },
  "luminance": 0.10672
}

Semantic roles & 50–950 ramp

primary

#4742E1

secondary

#DEE09F

accent

#EF38EA

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4742E1

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

Preview Lab → · Contrast checker → · Palette generator →