#5740FF#5740FF

#5740FF is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 53.3% C 0.264 H 277.9°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#5740FF
RGB	rgb(87, 64, 255)
HSL	hsl(247, 100%, 63%)
HSV	hsv(247, 75%, 100%)
CMYK	cmyk(65.9%, 74.9%, 0%, 0%)
CIE-LAB	lab(42.63, 62.47, -90.58)
CIE-LCH	lch(42.63, 110.03, 304.59°)
OKLab	oklab(53.28% 0.0365 -0.2617)
OKLCH	oklch(53.28% 0.264 277.9)
XYZ	xyz(23.8080, 12.9110, 95.8258)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5740FF #E8FF40

analogous

#4089FF #5740FF #B640FF

triadic

#5740FF #FF5740 #40FF57

tetradic

#5740FF #FF4089 #E8FF40 #40FFB6

square

#5740FF #FF4089 #E8FF40 #40FFB6

split-complementary

#5740FF #FFB640 #89FF40

monochromatic

#1800C5 #2103FF #5740FF #8D7DFF #C3BAFF

Accessibility & contrast

On white

5.86

#5740FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5740FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5740FF

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5740FF	#FFFFFF	#000000	##FFFFFF
##5740FF	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CFF

Deuteranopia (green-blind)

#005DFC

Tritanopia (blue-blind)

#00789E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5740ff;
/* rgb */ color: rgb(87, 64, 255);
/* oklch */ color: oklch(53.3% 0.264 277.9);

Tailwind

colors: {
  custom: {
    50: '#9b79ff',
    500: '#5740ff',
    950: '#000000',
  },
}

SCSS

$custom: #5740ff;
$custom-light: #9b79ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5740ff",
  "rgb": {
    "r": 87,
    "g": 64,
    "b": 255
  },
  "hsl": {
    "h": 247.225,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.53283,
    "c": 0.26419,
    "h": 277.9
  },
  "luminance": 0.12913
}

Semantic roles & 50–950 ramp

primary

#5740FF

secondary

#E8F0AB

accent

#E600CA

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#100918

muted

#7F7B86

Preview Lab

Preview with #5740FF

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

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