#5757C8#5757C8

#5757C8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 52.0% C 0.171 H 278.6°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#5757C8
RGB	rgb(87, 87, 200)
HSL	hsl(240, 51%, 56%)
HSV	hsv(240, 57%, 78%)
CMYK	cmyk(56.5%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(42.78, 32.49, -59.09)
CIE-LCH	lch(42.78, 67.43, 298.80°)
OKLab	oklab(51.98% 0.0257 -0.1694)
OKLCH	oklch(51.98% 0.171 278.6)
XYZ	xyz(17.7607, 13.0116, 56.2080)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757C8 #C8C857

analogous

#5790C8 #5757C8 #9057C8

triadic

#5757C8 #C85757 #57C857

tetradic

#5757C8 #C85790 #C8C857 #57C890

square

#5757C8 #C85790 #C8C857 #57C890

split-complementary

#5757C8 #C89057 #90C857

monochromatic

#29297C #3838AA #5757C8 #8585D7 #B3B3E6

Accessibility & contrast

On white

5.83

#5757C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#5757C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757C8

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757C8	#FFFFFF	#000000	##FFFFFF
##5757C8	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACC

Deuteranopia (green-blind)

#0060C6

Tritanopia (blue-blind)

#187187

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5757c8;
/* rgb */ color: rgb(87, 87, 200);
/* oklch */ color: oklch(52.0% 0.171 278.6);

Tailwind

colors: {
  custom: {
    50: '#9086d9',
    500: '#5757c8',
    950: '#000000',
  },
}

SCSS

$custom: #5757c8;
$custom-light: #9086d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5757c8",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 240,
    "s": 50.673,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51978,
    "c": 0.17135,
    "h": 278.6
  },
  "luminance": 0.13013
}

Semantic roles & 50–950 ramp

primary

#5757C8

secondary

#D5D5A6

accent

#DA4EDA

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5757C8

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

Preview Lab → · Contrast checker → · Palette generator →