#5557E4#5557E4

#5557E4 is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 54.0% C 0.209 H 276.2°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#5557E4
RGB	rgb(85, 87, 228)
HSL	hsl(239, 73%, 61%)
HSV	hsv(239, 63%, 89%)
CMYK	cmyk(62.7%, 61.8%, 0%, 10.6%)
CIE-LAB	lab(44.73, 41.25, -71.96)
CIE-LCH	lch(44.73, 82.94, 299.82°)
OKLab	oklab(54.03% 0.0227 -0.2073)
OKLCH	oklch(54.03% 0.209 276.2)
XYZ	xyz(21.1535, 14.3474, 75.0383)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557E4 #E4E255

analogous

#559FE4 #5557E4 #9B55E4

triadic

#5557E4 #E45557 #57E455

tetradic

#5557E4 #E4559F #E4E255 #55E49B

square

#5557E4 #E4559F #E4E255 #55E49B

split-complementary

#5557E4 #E49B55 #9FE455

monochromatic

#1A1CA4 #2325D9 #5557E4 #8A8BEC #BFBFF5

Accessibility & contrast

On white

5.43

#5557E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#5557E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557E4

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557E4	#FFFFFF	#000000	##FFFFFF
##5557E4	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E9

Deuteranopia (green-blind)

#0064E1

Tritanopia (blue-blind)

#007A95

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5557e4;
/* rgb */ color: rgb(85, 87, 228);
/* oklch */ color: oklch(54.0% 0.209 276.2);

Tailwind

colors: {
  custom: {
    50: '#9487ee',
    500: '#5557e4',
    950: '#000000',
  },
}

SCSS

$custom: #5557e4;
$custom-light: #9487ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5557e4",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 228
  },
  "hsl": {
    "h": 239.161,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.54034,
    "c": 0.20852,
    "h": 276.2
  },
  "luminance": 0.14349
}

Semantic roles & 50–950 ramp

primary

#5557E4

secondary

#E5E4B0

accent

#D211D5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5557E4

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

Preview Lab → · Contrast checker → · Palette generator →