#3570EA#3570EA

#3570EA is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.6% C 0.195 H 262.6°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3570EA
RGB	rgb(53, 112, 234)
HSL	hsl(220, 81%, 56%)
HSV	hsv(220, 77%, 92%)
CMYK	cmyk(77.4%, 52.1%, 0%, 8.2%)
CIE-LAB	lab(49.84, 23.71, -67.10)
CIE-LCH	lch(49.84, 71.17, 289.46°)
OKLab	oklab(57.58% -0.0253 -0.1933)
OKLCH	oklch(57.58% 0.195 262.6)
XYZ	xyz(22.1083, 18.2832, 80.1898)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570EA #EAAF35

analogous

#35CBEA #3570EA #5535EA

triadic

#3570EA #EA3570 #70EA35

tetradic

#3570EA #EA35CB #EAAF35 #35EA55

square

#3570EA #EA35CB #EAAF35 #35EA55

split-complementary

#3570EA #EA5535 #CBEA35

monochromatic

#103B95 #1551CD #3570EA #6C97F0 #A4BEF6

Accessibility & contrast

On white

4.51

#3570EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3570EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3570EA

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570EA	#FFFFFF	#000000	##000000
##3570EA	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#157FEE

Deuteranopia (green-blind)

#006FE8

Tritanopia (blue-blind)

#008EA2

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3570ea;
/* rgb */ color: rgb(53, 112, 234);
/* oklch */ color: oklch(57.6% 0.195 262.6);

Tailwind

colors: {
  custom: {
    50: '#8698f2',
    500: '#3570ea',
    950: '#000000',
  },
}

SCSS

$custom: #3570ea;
$custom-light: #8698f2;
$custom-dark: #000000;

JSON

{
  "hex": "#3570ea",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 234
  },
  "hsl": {
    "h": 220.442,
    "s": 81.166,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57577,
    "c": 0.19499,
    "h": 262.6
  },
  "luminance": 0.18286
}

Semantic roles & 50–950 ramp

primary

#3570EA

secondary

#E3CA98

accent

#B730F8

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #3570EA

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

Preview Lab → · Contrast checker → · Palette generator →