#5757C4#5757C4

#5757C4 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.166 H 278.9°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5757C4
RGB	rgb(87, 87, 196)
HSL	hsl(240, 48%, 55%)
HSV	hsv(240, 56%, 77%)
CMYK	cmyk(55.6%, 55.6%, 0%, 23.1%)
CIE-LAB	lab(42.50, 31.20, -57.23)
CIE-LCH	lch(42.50, 65.18, 298.60°)
OKLab	oklab(51.68% 0.0256 -0.1639)
OKLCH	oklch(51.68% 0.166 278.9)
XYZ	xyz(17.2993, 12.8270, 53.7781)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757C4 #C4C457

analogous

#578DC4 #5757C4 #8D57C4

triadic

#5757C4 #C45757 #57C457

tetradic

#5757C4 #C4578D #C4C457 #57C48D

square

#5757C4 #C4578D #C4C457 #57C48D

split-complementary

#5757C4 #C48D57 #8DC457

monochromatic

#2A2A77 #3A3AA4 #5757C4 #8484D4 #B2B2E4

Accessibility & contrast

On white

5.89

#5757C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#5757C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757C4

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757C4	#FFFFFF	#000000	##FFFFFF
##5757C4	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0669C8

Deuteranopia (green-blind)

#0060C2

Tritanopia (blue-blind)

#1F7085

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5757c4;
/* rgb */ color: rgb(87, 87, 196);
/* oklch */ color: oklch(51.7% 0.166 278.9);

Tailwind

colors: {
  custom: {
    50: '#8f86d7',
    500: '#5757c4',
    950: '#000000',
  },
}

SCSS

$custom: #5757c4;
$custom-light: #8f86d7;
$custom-dark: #000000;

JSON

{
  "hex": "#5757c4",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 196
  },
  "hsl": {
    "h": 240,
    "s": 48.018,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51682,
    "c": 0.16591,
    "h": 278.9
  },
  "luminance": 0.12828
}

Semantic roles & 50–950 ramp

primary

#5757C4

secondary

#D2D2A5

accent

#D850D8

background

#F9F8FD

surface

#F2EFFA

border

#CCCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5757C4

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

Preview Lab → · Contrast checker → · Palette generator →