#5740DF#5740DF

#5740DF is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.2% C 0.228 H 281.0°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#5740DF
RGB	rgb(87, 64, 223)
HSL	hsl(249, 71%, 56%)
HSV	hsv(249, 71%, 87%)
CMYK	cmyk(61%, 71.3%, 0%, 12.5%)
CIE-LAB	lab(39.61, 53.05, -77.48)
CIE-LCH	lch(39.61, 93.90, 304.40°)
OKLab	oklab(50.25% 0.0433 -0.2234)
OKLCH	oklch(50.25% 0.228 281)
XYZ	xyz(19.0790, 11.0193, 70.9193)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5740DF #C8DF40

analogous

#4079DF #5740DF #A740DF

triadic

#5740DF #DF5740 #40DF57

tetradic

#5740DF #DF4079 #C8DF40 #40DFA7

square

#5740DF #DF4079 #C8DF40 #40DFA7

split-complementary

#5740DF #DFA740 #79DF40

monochromatic

#29188D #3820C1 #5740DF #8574E8 #B3A9F1

Accessibility & contrast

On white

6.55

#5740DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#5740DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5740DF

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5740DF	#FFFFFF	#000000	##FFFFFF
##5740DF	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E4

Deuteranopia (green-blind)

#0057DC

Tritanopia (blue-blind)

#006C8B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #5740df;
/* rgb */ color: rgb(87, 64, 223);
/* oklch */ color: oklch(50.2% 0.228 281.0);

Tailwind

colors: {
  custom: {
    50: '#9577ea',
    500: '#5740df',
    950: '#000000',
  },
}

SCSS

$custom: #5740df;
$custom-light: #9577ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5740df",
  "rgb": {
    "r": 87,
    "g": 64,
    "b": 223
  },
  "hsl": {
    "h": 248.679,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.50246,
    "c": 0.22759,
    "h": 281
  },
  "luminance": 0.11021
}

Semantic roles & 50–950 ramp

primary

#5740DF

secondary

#D5DE9D

accent

#EE3AD4

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #5740DF

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

Preview Lab → · Contrast checker → · Palette generator →