#5758EC#5758EC

#5758EC is a mid, highly saturated blue. Relative luminance 0.151; OKLCH L 55.0% C 0.217 H 276.3°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#5758EC
RGB	rgb(87, 88, 236)
HSL	hsl(240, 80%, 63%)
HSV	hsv(240, 63%, 93%)
CMYK	cmyk(63.1%, 62.7%, 0%, 7.5%)
CIE-LAB	lab(45.72, 43.54, -74.86)
CIE-LCH	lch(45.72, 86.60, 300.18°)
OKLab	oklab(54.99% 0.0237 -0.2157)
OKLCH	oklch(54.99% 0.217 276.3)
XYZ	xyz(22.5556, 15.0599, 81.0588)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5758EC #ECEB57

analogous

#57A2EC #5758EC #A057EC

triadic

#5758EC #EC5758 #58EC57

tetradic

#5758EC #EC57A2 #ECEB57 #57ECA0

square

#5758EC #EC57A2 #ECEB57 #57ECA0

split-complementary

#5758EC #ECA057 #A2EC57

monochromatic

#1415B4 #2021E6 #5758EC #8E8FF2 #C5C5F8

Accessibility & contrast

On white

5.23

#5758EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#5758EC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5758EC

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5758EC	#FFFFFF	#000000	##FFFFFF
##5758EC	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073F1

Deuteranopia (green-blind)

#0066E9

Tritanopia (blue-blind)

#007E9A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5758ec;
/* rgb */ color: rgb(87, 88, 236);
/* oklch */ color: oklch(55.0% 0.217 276.3);

Tailwind

colors: {
  custom: {
    50: '#9687f3',
    500: '#5758ec',
    950: '#000000',
  },
}

SCSS

$custom: #5758ec;
$custom-light: #9687f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5758ec",
  "rgb": {
    "r": 87,
    "g": 88,
    "b": 236
  },
  "hsl": {
    "h": 239.597,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.54988,
    "c": 0.21703,
    "h": 276.3
  },
  "luminance": 0.15062
}

Semantic roles & 50–950 ramp

primary

#5758EC

secondary

#EAEAB5

accent

#DB0ADC

background

#FAF8FF

surface

#F3EFFE

border

#CDCAD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5758EC

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

Preview Lab → · Contrast checker → · Palette generator →