#5557EE#5557EE

#5557EE is a mid, highly saturated blue. Relative luminance 0.149; OKLCH L 54.9% C 0.221 H 275.7°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#5557EE
RGB	rgb(85, 87, 238)
HSL	hsl(239, 82%, 63%)
HSV	hsv(239, 64%, 93%)
CMYK	cmyk(64.3%, 63.4%, 0%, 6.7%)
CIE-LAB	lab(45.52, 44.49, -76.30)
CIE-LCH	lch(45.52, 88.33, 300.25°)
OKLab	oklab(54.86% 0.022 -0.22)
OKLCH	oklch(54.86% 0.221 275.7)
XYZ	xyz(22.5821, 14.9188, 82.5619)
Luminance	0.1492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557EE #EEEC55

analogous

#55A3EE #5557EE #9F55EE

triadic

#5557EE #EE5557 #57EE55

tetradic

#5557EE #EE55A3 #EEEC55 #55EE9F

square

#5557EE #EE55A3 #EEEC55 #55EE9F

split-complementary

#5557EE #EE9F55 #A3EE55

monochromatic

#1214B6 #1D20E8 #5557EE #8D8EF4 #C4C5F9

Accessibility & contrast

On white

5.27

#5557EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#5557EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557EE

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557EE	#FFFFFF	#000000	##FFFFFF
##5557EE	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073F3

Deuteranopia (green-blind)

#0065EB

Tritanopia (blue-blind)

#007E9B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5557ee;
/* rgb */ color: rgb(85, 87, 238);
/* oklch */ color: oklch(54.9% 0.221 275.7);

Tailwind

colors: {
  custom: {
    50: '#9587f5',
    500: '#5557ee',
    950: '#000000',
  },
}

SCSS

$custom: #5557ee;
$custom-light: #9587f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5557ee",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 238
  },
  "hsl": {
    "h": 239.216,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.54863,
    "c": 0.22113,
    "h": 275.7
  },
  "luminance": 0.14921
}

Semantic roles & 50–950 ramp

primary

#5557EE

secondary

#EBEAB4

accent

#DB07DE

background

#FAF8FF

surface

#F3EFFF

border

#CDCAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5557EE

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

Preview Lab → · Contrast checker → · Palette generator →