#5740D7#5740D7

#5740D7 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.5% C 0.218 H 281.8°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#5740D7
RGB	rgb(87, 64, 215)
HSL	hsl(249, 65%, 55%)
HSV	hsv(249, 70%, 84%)
CMYK	cmyk(59.5%, 70.2%, 0%, 15.7%)
CIE-LAB	lab(38.90, 50.65, -74.08)
CIE-LCH	lch(38.90, 89.74, 304.36°)
OKLab	oklab(49.52% 0.0448 -0.2135)
OKLCH	oklch(49.52% 0.218 281.8)
XYZ	xyz(18.0258, 10.5981, 65.3726)
Luminance	0.1060 (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

#5740D7 #C0D740

analogous

#4075D7 #5740D7 #A340D7

triadic

#5740D7 #D75740 #40D757

tetradic

#5740D7 #D74075 #C0D740 #40D7A3

square

#5740D7 #D74075 #C0D740 #40D7A3

split-complementary

#5740D7 #D7A340 #75D740

monochromatic

#2B1B81 #3B26B4 #5740D7 #8473E2 #B0A5EC

Accessibility & contrast

On white

6.73

#5740D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#5740D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5740D7

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5740D7	#FFFFFF	#000000	##FFFFFF
##5740D7	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DC

Deuteranopia (green-blind)

#0056D4

Tritanopia (blue-blind)

#006987

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #5740d7;
/* rgb */ color: rgb(87, 64, 215);
/* oklch */ color: oklch(49.5% 0.218 281.8);

Tailwind

colors: {
  custom: {
    50: '#9477e5',
    500: '#5740d7',
    950: '#000000',
  },
}

SCSS

$custom: #5740d7;
$custom-light: #9477e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5740d7",
  "rgb": {
    "r": 87,
    "g": 64,
    "b": 215
  },
  "hsl": {
    "h": 249.139,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.49516,
    "c": 0.21812,
    "h": 281.8
  },
  "luminance": 0.10599
}

Semantic roles & 50–950 ramp

primary

#5740D7

secondary

#D0D99A

accent

#E83FCF

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #5740D7

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

Preview Lab → · Contrast checker → · Palette generator →