#5757E0#5757E0

#5757E0 is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 53.8% C 0.203 H 277.1°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#5757E0
RGB	rgb(87, 87, 224)
HSL	hsl(240, 69%, 61%)
HSV	hsv(240, 61%, 88%)
CMYK	cmyk(61.2%, 61.2%, 0%, 12.2%)
CIE-LAB	lab(44.55, 40.26, -69.97)
CIE-LCH	lch(44.55, 80.73, 299.92°)
OKLab	oklab(53.84% 0.0252 -0.2014)
OKLCH	oklch(53.84% 0.203 277.1)
XYZ	xyz(20.7889, 14.2228, 72.1563)
Luminance	0.1422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757E0 #E0E057

analogous

#579BE0 #5757E0 #9B57E0

triadic

#5757E0 #E05757 #57E057

tetradic

#5757E0 #E0579B #E0E057 #57E09B

square

#5757E0 #E0579B #E0E057 #57E09B

split-complementary

#5757E0 #E09B57 #9BE057

monochromatic

#1D1D9F #2727D3 #5757E0 #8B8BEA #BEBEF3

Accessibility & contrast

On white

5.46

#5757E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#5757E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757E0

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757E0	#FFFFFF	#000000	##FFFFFF
##5757E0	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE4

Deuteranopia (green-blind)

#0064DD

Tritanopia (blue-blind)

#007993

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5757e0;
/* rgb */ color: rgb(87, 87, 224);
/* oklch */ color: oklch(53.8% 0.203 277.1);

Tailwind

colors: {
  custom: {
    50: '#9487eb',
    500: '#5757e0',
    950: '#000000',
  },
}

SCSS

$custom: #5757e0;
$custom-light: #9487eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5757e0",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 224
  },
  "hsl": {
    "h": 240,
    "s": 68.844,
    "l": 60.98
  },
  "oklch": {
    "l": 0.53842,
    "c": 0.20296,
    "h": 277.1
  },
  "luminance": 0.14224
}

Semantic roles & 50–950 ramp

primary

#5757E0

secondary

#E3E3B0

accent

#D115D1

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5757E0

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

Preview Lab → · Contrast checker → · Palette generator →