#5751D7#5751D7

#5751D7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 52.1% C 0.199 H 279.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5751D7
RGB	rgb(87, 81, 215)
HSL	hsl(243, 63%, 58%)
HSV	hsv(243, 62%, 84%)
CMYK	cmyk(59.5%, 62.3%, 0%, 15.7%)
CIE-LAB	lab(42.48, 40.95, -68.21)
CIE-LCH	lch(42.48, 79.56, 300.98°)
OKLab	oklab(52.11% 0.0309 -0.1962)
OKLCH	oklch(52.11% 0.199 279)
XYZ	xyz(19.1347, 12.8160, 65.7422)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751D7 #D1D751

analogous

#518ED7 #5751D7 #9A51D7

triadic

#5751D7 #D75751 #51D757

tetradic

#5751D7 #D7518E #D1D751 #51D79A

square

#5751D7 #D7518E #D1D751 #51D79A

split-complementary

#5751D7 #D79A51 #8ED751

monochromatic

#25208D #322CBF #5751D7 #8783E2 #B7B5EE

Accessibility & contrast

On white

5.89

#5751D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#5751D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751D7

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751D7	#FFFFFF	#000000	##FFFFFF
##5751D7	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADB

Deuteranopia (green-blind)

#005FD4

Tritanopia (blue-blind)

#00728C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5751d7;
/* rgb */ color: rgb(87, 81, 215);
/* oklch */ color: oklch(52.1% 0.199 279.0);

Tailwind

colors: {
  custom: {
    50: '#9382e4',
    500: '#5751d7',
    950: '#000000',
  },
}

SCSS

$custom: #5751d7;
$custom-light: #9382e4;
$custom-dark: #000000;

JSON

{
  "hex": "#5751d7",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 215
  },
  "hsl": {
    "h": 242.687,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.5211,
    "c": 0.19866,
    "h": 279
  },
  "luminance": 0.12817
}

Semantic roles & 50–950 ramp

primary

#5751D7

secondary

#DADDA7

accent

#E642DE

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5751D7

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

Preview Lab → · Contrast checker → · Palette generator →