#5770EB#5770EB

#5770EB is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.2% C 0.187 H 271.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#5770EB
RGB	rgb(87, 112, 235)
HSL	hsl(230, 79%, 63%)
HSV	hsv(230, 63%, 92%)
CMYK	cmyk(63%, 52.3%, 0%, 7.8%)
CIE-LAB	lab(51.39, 28.65, -65.07)
CIE-LCH	lch(51.39, 71.10, 293.76°)
OKLab	oklab(59.18% 0.0032 -0.1867)
OKLCH	oklch(59.18% 0.187 271)
XYZ	xyz(24.7150, 19.6106, 81.0639)
Luminance	0.1961 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5770EB #EBD257

analogous

#57BAEB #5770EB #8857EB

triadic

#5770EB #EB5770 #70EB57

tetradic

#5770EB #EB57BA #EBD257 #57EB88

square

#5770EB #EB57BA #EBD257 #57EB88

split-complementary

#5770EB #EB8857 #BAEB57

monochromatic

#1530B2 #2041E4 #5770EB #8E9FF2 #C4CDF8

Accessibility & contrast

On white

4.27

#5770EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#5770EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5770EB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5770EB	#FFFFFF	#000000	##000000
##5770EB	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2181EF

Deuteranopia (green-blind)

#0074E8

Tritanopia (blue-blind)

#008DA3

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5770eb;
/* rgb */ color: rgb(87, 112, 235);
/* oklch */ color: oklch(59.2% 0.187 271.0);

Tailwind

colors: {
  custom: {
    50: '#9498f2',
    500: '#5770eb',
    950: '#000000',
  },
}

SCSS

$custom: #5770eb;
$custom-light: #9498f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5770eb",
  "rgb": {
    "r": 87,
    "g": 112,
    "b": 235
  },
  "hsl": {
    "h": 229.865,
    "s": 78.723,
    "l": 63.137
  },
  "oklch": {
    "l": 0.59183,
    "c": 0.18677,
    "h": 271
  },
  "luminance": 0.19613
}

Semantic roles & 50–950 ramp

primary

#5770EB

secondary

#E9E0B4

accent

#B80ADB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5770EB

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

Preview Lab → · Contrast checker → · Palette generator →