#5757F0#5757F0

#5757F0 is a mid, highly saturated blue. Relative luminance 0.151; OKLCH L 55.2% C 0.223 H 276.2°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#5757F0
RGB	rgb(87, 87, 240)
HSL	hsl(240, 84%, 64%)
HSV	hsv(240, 64%, 94%)
CMYK	cmyk(63.7%, 63.7%, 0%, 5.9%)
CIE-LAB	lab(45.81, 45.41, -76.95)
CIE-LCH	lch(45.81, 89.35, 300.55°)
OKLab	oklab(55.16% 0.0242 -0.2219)
OKLCH	oklch(55.16% 0.223 276.2)
XYZ	xyz(23.0617, 15.1320, 84.1266)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757F0 #F0F057

analogous

#57A4F0 #5757F0 #A457F0

triadic

#5757F0 #F05757 #57F057

tetradic

#5757F0 #F057A4 #F0F057 #57F0A4

square

#5757F0 #F057A4 #F0F057 #57F0A4

split-complementary

#5757F0 #F0A457 #A4F057

monochromatic

#1111BC #1F1FEB #5757F0 #8F8FF5 #C7C7FA

Accessibility & contrast

On white

5.22

#5757F0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#5757F0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757F0

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757F0	#FFFFFF	#000000	##FFFFFF
##5757F0	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073F5

Deuteranopia (green-blind)

#0066ED

Tritanopia (blue-blind)

#007E9C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5757f0;
/* rgb */ color: rgb(87, 87, 240);
/* oklch */ color: oklch(55.2% 0.223 276.2);

Tailwind

colors: {
  custom: {
    50: '#9787f6',
    500: '#5757f0',
    950: '#000000',
  },
}

SCSS

$custom: #5757f0;
$custom-light: #9787f6;
$custom-dark: #000000;

JSON

{
  "hex": "#5757f0",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 240
  },
  "hsl": {
    "h": 240,
    "s": 83.607,
    "l": 64.118
  },
  "oklch": {
    "l": 0.55159,
    "c": 0.22317,
    "h": 276.2
  },
  "luminance": 0.15134
}

Semantic roles & 50–950 ramp

primary

#5757F0

secondary

#ECECB7

accent

#E005E0

background

#FAF8FF

surface

#F3EFFF

border

#CDCAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5757F0

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

Preview Lab → · Contrast checker → · Palette generator →