#5751DB#5751DB

#5751DB is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.4% C 0.204 H 278.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#5751DB
RGB	rgb(87, 81, 219)
HSL	hsl(243, 66%, 59%)
HSV	hsv(243, 63%, 86%)
CMYK	cmyk(60.3%, 63%, 0%, 14.1%)
CIE-LAB	lab(42.80, 42.23, -69.98)
CIE-LCH	lch(42.80, 81.73, 301.11°)
OKLab	oklab(52.44% 0.0306 -0.2014)
OKLCH	oklch(52.44% 0.204 278.6)
XYZ	xyz(19.6550, 13.0241, 68.4823)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751DB #D5DB51

analogous

#5190DB #5751DB #9C51DB

triadic

#5751DB #DB5751 #51DB57

tetradic

#5751DB #DB5190 #D5DB51 #51DB9C

square

#5751DB #DB5190 #D5DB51 #51DB9C

split-complementary

#5751DB #DB9C51 #90DB51

monochromatic

#241E93 #3029C6 #5751DB #8884E5 #B9B6F0

Accessibility & contrast

On white

5.82

#5751DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#5751DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751DB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751DB	#FFFFFF	#000000	##FFFFFF
##5751DB	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#00748F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5751db;
/* rgb */ color: rgb(87, 81, 219);
/* oklch */ color: oklch(52.4% 0.204 278.6);

Tailwind

colors: {
  custom: {
    50: '#9382e7',
    500: '#5751db',
    950: '#000000',
  },
}

SCSS

$custom: #5751db;
$custom-light: #9382e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5751db",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 242.609,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52438,
    "c": 0.20377,
    "h": 278.6
  },
  "luminance": 0.13026
}

Semantic roles & 50–950 ramp

primary

#5751DB

secondary

#DDDFA9

accent

#E93FE1

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5751DB

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

Preview Lab → · Contrast checker → · Palette generator →