#5570E4#5570E4

#5570E4 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.6% C 0.178 H 270.2°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#5570E4
RGB	rgb(85, 112, 228)
HSL	hsl(229, 73%, 61%)
HSV	hsv(229, 63%, 89%)
CMYK	cmyk(62.7%, 50.9%, 0%, 10.6%)
CIE-LAB	lab(50.83, 25.95, -62.06)
CIE-LCH	lch(50.83, 67.27, 292.69°)
OKLab	oklab(58.58% 0.0007 -0.1779)
OKLCH	oklch(58.58% 0.178 270.2)
XYZ	xyz(23.5393, 19.1190, 75.8336)
Luminance	0.1912 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5570E4 #E4C955

analogous

#55B8E4 #5570E4 #8255E4

triadic

#5570E4 #E45570 #70E455

tetradic

#5570E4 #E455B8 #E4C955 #55E482

square

#5570E4 #E455B8 #E4C955 #55E482

split-complementary

#5570E4 #E48255 #B8E455

monochromatic

#1A34A4 #2345D9 #5570E4 #8A9CEC #BFC9F5

Accessibility & contrast

On white

4.35

#5570E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#5570E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5570E4

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5570E4	#FFFFFF	#000000	##000000
##5570E4	1.00	4.35	4.82	4.82
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C80E8

Deuteranopia (green-blind)

#0073E2

Tritanopia (blue-blind)

#008B9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5570e4;
/* rgb */ color: rgb(85, 112, 228);
/* oklch */ color: oklch(58.6% 0.178 270.2);

Tailwind

colors: {
  custom: {
    50: '#9298ed',
    500: '#5570e4',
    950: '#000000',
  },
}

SCSS

$custom: #5570e4;
$custom-light: #9298ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5570e4",
  "rgb": {
    "r": 85,
    "g": 112,
    "b": 228
  },
  "hsl": {
    "h": 228.671,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.58579,
    "c": 0.17794,
    "h": 270.2
  },
  "luminance": 0.19121
}

Semantic roles & 50–950 ramp

primary

#5570E4

secondary

#E5DBB0

accent

#B011D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5570E4

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

Preview Lab → · Contrast checker → · Palette generator →