#5742E1#5742E1

#5742E1 is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.7% C 0.228 H 280.5°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#5742E1
RGB	rgb(87, 66, 225)
HSL	hsl(248, 73%, 57%)
HSV	hsv(248, 71%, 88%)
CMYK	cmyk(61.3%, 70.7%, 0%, 11.8%)
CIE-LAB	lab(40.18, 52.58, -77.70)
CIE-LCH	lch(40.18, 93.82, 304.09°)
OKLab	oklab(50.7% 0.0415 -0.2241)
OKLCH	oklch(50.7% 0.228 280.5)
XYZ	xyz(19.4650, 11.3575, 72.3860)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5742E1 #CCE142

analogous

#427CE1 #5742E1 #A742E1

triadic

#5742E1 #E15742 #42E157

tetradic

#5742E1 #E1427C #CCE142 #42E1A7

square

#5742E1 #E1427C #CCE142 #42E1A7

split-complementary

#5742E1 #E1A742 #7CE142

monochromatic

#271792 #361FC6 #5742E1 #8677E9 #B5ACF2

Accessibility & contrast

On white

6.42

#5742E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#5742E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5742E1

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5742E1	#FFFFFF	#000000	##FFFFFF
##5742E1	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E6

Deuteranopia (green-blind)

#0059DE

Tritanopia (blue-blind)

#006D8D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5742e1;
/* rgb */ color: rgb(87, 66, 225);
/* oklch */ color: oklch(50.7% 0.228 280.5);

Tailwind

colors: {
  custom: {
    50: '#9679ec',
    500: '#5742e1',
    950: '#000000',
  },
}

SCSS

$custom: #5742e1;
$custom-light: #9679ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5742e1",
  "rgb": {
    "r": 87,
    "g": 66,
    "b": 225
  },
  "hsl": {
    "h": 247.925,
    "s": 72.603,
    "l": 57.059
  },
  "oklch": {
    "l": 0.50702,
    "c": 0.22789,
    "h": 280.5
  },
  "luminance": 0.11359
}

Semantic roles & 50–950 ramp

primary

#5742E1

secondary

#D7E09F

accent

#EF38D7

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #5742E1

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

Preview Lab → · Contrast checker → · Palette generator →