#5757EC#5757EC

#5757EC is a mid, highly saturated blue. Relative luminance 0.149; OKLCH L 54.8% C 0.218 H 276.4°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#5757EC
RGB	rgb(87, 87, 236)
HSL	hsl(240, 80%, 63%)
HSV	hsv(240, 63%, 93%)
CMYK	cmyk(63.1%, 63.1%, 0%, 7.5%)
CIE-LAB	lab(45.49, 44.13, -75.22)
CIE-LCH	lch(45.49, 87.21, 300.40°)
OKLab	oklab(54.83% 0.0245 -0.2168)
OKLCH	oklch(54.83% 0.218 276.4)
XYZ	xyz(22.4741, 14.8969, 81.0317)
Luminance	0.1490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5757EC #ECEC57

analogous

#57A1EC #5757EC #A157EC

triadic

#5757EC #EC5757 #57EC57

tetradic

#5757EC #EC57A1 #ECEC57 #57ECA1

square

#5757EC #EC57A1 #ECEC57 #57ECA1

split-complementary

#5757EC #ECA157 #A1EC57

monochromatic

#1414B4 #2020E6 #5757EC #8E8EF2 #C5C5F8

Accessibility & contrast

On white

5.28

#5757EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#5757EC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5757EC

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5757EC	#FFFFFF	#000000	##FFFFFF
##5757EC	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F1

Deuteranopia (green-blind)

#0065E9

Tritanopia (blue-blind)

#007D9A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5757ec;
/* rgb */ color: rgb(87, 87, 236);
/* oklch */ color: oklch(54.8% 0.218 276.4);

Tailwind

colors: {
  custom: {
    50: '#9687f3',
    500: '#5757ec',
    950: '#000000',
  },
}

SCSS

$custom: #5757ec;
$custom-light: #9687f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5757ec",
  "rgb": {
    "r": 87,
    "g": 87,
    "b": 236
  },
  "hsl": {
    "h": 240,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.54825,
    "c": 0.21819,
    "h": 276.4
  },
  "luminance": 0.14899
}

Semantic roles & 50–950 ramp

primary

#5757EC

secondary

#EAEAB5

accent

#DC0ADC

background

#FAF8FF

surface

#F3EFFE

border

#CDCAD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5757EC

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

Preview Lab → · Contrast checker → · Palette generator →