#5750CF#5750CF

#5750CF is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.3% C 0.190 H 279.8°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#5750CF
RGB	rgb(87, 80, 207)
HSL	hsl(243, 57%, 56%)
HSV	hsv(243, 61%, 81%)
CMYK	cmyk(58%, 61.4%, 0%, 18.8%)
CIE-LAB	lab(41.64, 39.00, -64.99)
CIE-LCH	lch(41.64, 75.79, 300.97°)
OKLab	oklab(51.3% 0.0323 -0.1868)
OKLCH	oklch(51.3% 0.19 279.8)
XYZ	xyz(18.0581, 12.2673, 60.4356)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5750CF #C8CF50

analogous

#5089CF #5750CF #9750CF

triadic

#5750CF #CF5750 #50CF57

tetradic

#5750CF #CF5089 #C8CF50 #50CF97

square

#5750CF #CF5089 #C8CF50 #50CF97

split-complementary

#5750CF #CF9750 #89CF50

monochromatic

#292381 #3831B1 #5750CF #8580DC #B3B0E9

Accessibility & contrast

On white

6.08

#5750CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#5750CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5750CF

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5750CF	#FFFFFF	#000000	##FFFFFF
##5750CF	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D3

Deuteranopia (green-blind)

#005DCC

Tritanopia (blue-blind)

#066F88

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5750cf;
/* rgb */ color: rgb(87, 80, 207);
/* oklch */ color: oklch(51.3% 0.190 279.8);

Tailwind

colors: {
  custom: {
    50: '#9281df',
    500: '#5750cf',
    950: '#000000',
  },
}

SCSS

$custom: #5750cf;
$custom-light: #9281df;
$custom-dark: #000000;

JSON

{
  "hex": "#5750cf",
  "rgb": {
    "r": 87,
    "g": 80,
    "b": 207
  },
  "hsl": {
    "h": 243.307,
    "s": 56.951,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51297,
    "c": 0.18957,
    "h": 279.8
  },
  "luminance": 0.12269
}

Semantic roles & 50–950 ramp

primary

#5750CF

secondary

#D5D8A3

accent

#E048D8

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0A15

muted

#7E7C83

Preview Lab

Preview with #5750CF

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

Preview Lab → · Contrast checker → · Palette generator →