#5740D8#5740D8

#5740D8 is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.6% C 0.219 H 281.7°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#5740D8
RGB	rgb(87, 64, 216)
HSL	hsl(249, 66%, 55%)
HSV	hsv(249, 70%, 85%)
CMYK	cmyk(59.7%, 70.4%, 0%, 15.3%)
CIE-LAB	lab(38.98, 50.95, -74.51)
CIE-LCH	lch(38.98, 90.26, 304.37°)
OKLab	oklab(49.61% 0.0446 -0.2147)
OKLCH	oklch(49.61% 0.219 281.7)
XYZ	xyz(18.1547, 10.6496, 66.0513)
Luminance	0.1065 (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

#5740D8 #C1D840

analogous

#4075D8 #5740D8 #A340D8

triadic

#5740D8 #D85740 #40D857

tetradic

#5740D8 #D84075 #C1D840 #40D8A3

square

#5740D8 #D84075 #C1D840 #40D8A3

split-complementary

#5740D8 #D8A340 #75D840

monochromatic

#2A1B83 #3B25B6 #5740D8 #8473E2 #B0A6ED

Accessibility & contrast

On white

6.71

#5740D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#5740D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5740D8

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5740D8	#FFFFFF	#000000	##FFFFFF
##5740D8	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DD

Deuteranopia (green-blind)

#0056D5

Tritanopia (blue-blind)

#006988

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #5740d8;
/* rgb */ color: rgb(87, 64, 216);
/* oklch */ color: oklch(49.6% 0.219 281.7);

Tailwind

colors: {
  custom: {
    50: '#9477e5',
    500: '#5740d8',
    950: '#000000',
  },
}

SCSS

$custom: #5740d8;
$custom-light: #9477e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5740d8",
  "rgb": {
    "r": 87,
    "g": 64,
    "b": 216
  },
  "hsl": {
    "h": 249.079,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.49607,
    "c": 0.21931,
    "h": 281.7
  },
  "luminance": 0.10651
}

Semantic roles & 50–950 ramp

primary

#5740D8

secondary

#D0DA9A

accent

#E93FCF

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #5740D8

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

Preview Lab → · Contrast checker → · Palette generator →