#4742DF#4742DF

#4742DF is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.4% C 0.229 H 275.4°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4742DF
RGB	rgb(71, 66, 223)
HSL	hsl(242, 71%, 57%)
HSV	hsv(242, 70%, 87%)
CMYK	cmyk(68.2%, 70.4%, 0%, 12.5%)
CIE-LAB	lab(38.83, 50.05, -78.81)
CIE-LCH	lch(38.83, 93.35, 302.42°)
OKLab	oklab(49.39% 0.0216 -0.2277)
OKLCH	oklch(49.39% 0.229 275.4)
XYZ	xyz(17.8616, 10.5621, 70.8951)
Luminance	0.1056 (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

#4742DF #DADF42

analogous

#428CDF #4742DF #9642DF

triadic

#4742DF #DF4742 #42DF47

tetradic

#4742DF #DF428C #DADF42 #42DF96

square

#4742DF #DF428C #DADF42 #42DF96

split-complementary

#4742DF #DF9642 #8CDF42

monochromatic

#1C188E #2621C3 #4742DF #7A76E8 #ADABF1

Accessibility & contrast

On white

6.75

#4742DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4742DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4742DF

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742DF	#FFFFFF	#000000	##FFFFFF
##4742DF	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E4

Deuteranopia (green-blind)

#0054DC

Tritanopia (blue-blind)

#006E8C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4742df;
/* rgb */ color: rgb(71, 66, 223);
/* oklch */ color: oklch(49.4% 0.229 275.4);

Tailwind

colors: {
  custom: {
    50: '#8e78ea',
    500: '#4742df',
    950: '#000000',
  },
}

SCSS

$custom: #4742df;
$custom-light: #8e78ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4742df",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 223
  },
  "hsl": {
    "h": 241.911,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.49391,
    "c": 0.22876,
    "h": 275.4
  },
  "luminance": 0.10564
}

Semantic roles & 50–950 ramp

primary

#4742DF

secondary

#DCDF9E

accent

#EE3AE8

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4742DF

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

Preview Lab → · Contrast checker → · Palette generator →