#5557F3#5557F3

#5557F3 is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 55.3% C 0.227 H 275.5°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#5557F3
RGB	rgb(85, 87, 243)
HSL	hsl(239, 87%, 64%)
HSV	hsv(239, 65%, 95%)
CMYK	cmyk(65%, 64.2%, 0%, 4.7%)
CIE-LAB	lab(45.93, 46.11, -78.45)
CIE-LCH	lch(45.93, 90.99, 300.45°)
OKLab	oklab(55.29% 0.0216 -0.2263)
OKLCH	oklch(55.29% 0.227 275.5)
XYZ	xyz(23.3269, 15.2167, 86.4845)
Luminance	0.1522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557F3 #F3F155

analogous

#55A6F3 #5557F3 #A255F3

triadic

#5557F3 #F35557 #57F355

tetradic

#5557F3 #F355A6 #F3F155 #55F3A2

square

#5557F3 #F355A6 #F3F155 #55F3A2

split-complementary

#5557F3 #F3A255 #A6F355

monochromatic

#0E10C0 #1C1FEF #5557F3 #8E8FF7 #C7C8FB

Accessibility & contrast

On white

5.19

#5557F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#5557F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557F3

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557F3	#FFFFFF	#000000	##FFFFFF
##5557F3	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F8

Deuteranopia (green-blind)

#0066F0

Tritanopia (blue-blind)

#007F9D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5557f3;
/* rgb */ color: rgb(85, 87, 243);
/* oklch */ color: oklch(55.3% 0.227 275.5);

Tailwind

colors: {
  custom: {
    50: '#9687f8',
    500: '#5557f3',
    950: '#000000',
  },
}

SCSS

$custom: #5557f3;
$custom-light: #9687f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5557f3",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 243
  },
  "hsl": {
    "h": 239.241,
    "s": 86.813,
    "l": 64.314
  },
  "oklch": {
    "l": 0.55285,
    "c": 0.22734,
    "h": 275.5
  },
  "luminance": 0.15219
}

Semantic roles & 50–950 ramp

primary

#5557F3

secondary

#EDEDB6

accent

#E102E3

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5557F3

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

Preview Lab → · Contrast checker → · Palette generator →