#5557EF#5557EF

#5557EF is a mid, highly saturated blue. Relative luminance 0.150; OKLCH L 54.9% C 0.222 H 275.7°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#5557EF
RGB	rgb(85, 87, 239)
HSL	hsl(239, 83%, 64%)
HSV	hsv(239, 64%, 94%)
CMYK	cmyk(64.4%, 63.6%, 0%, 6.3%)
CIE-LAB	lab(45.60, 44.82, -76.73)
CIE-LCH	lch(45.60, 88.86, 300.29°)
OKLab	oklab(54.95% 0.0219 -0.2213)
OKLCH	oklch(54.95% 0.222 275.7)
XYZ	xyz(22.7294, 14.9777, 83.3378)
Luminance	0.1498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557EF #EFED55

analogous

#55A4EF #5557EF #A055EF

triadic

#5557EF #EF5557 #57EF55

tetradic

#5557EF #EF55A4 #EFED55 #55EFA0

square

#5557EF #EF55A4 #EFED55 #55EFA0

split-complementary

#5557EF #EFA055 #A4EF55

monochromatic

#1114B8 #1D20EA #5557EF #8D8EF4 #C5C6FA

Accessibility & contrast

On white

5.26

#5557EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#5557EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557EF

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557EF	#FFFFFF	#000000	##FFFFFF
##5557EF	1.00	5.26	4.00	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073F4

Deuteranopia (green-blind)

#0065EC

Tritanopia (blue-blind)

#007E9B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5557ef;
/* rgb */ color: rgb(85, 87, 239);
/* oklch */ color: oklch(54.9% 0.222 275.7);

Tailwind

colors: {
  custom: {
    50: '#9687f5',
    500: '#5557ef',
    950: '#000000',
  },
}

SCSS

$custom: #5557ef;
$custom-light: #9687f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5557ef",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 239
  },
  "hsl": {
    "h": 239.221,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.54947,
    "c": 0.22237,
    "h": 275.7
  },
  "luminance": 0.1498
}

Semantic roles & 50–950 ramp

primary

#5557EF

secondary

#EBEAB5

accent

#DC06DF

background

#FAF8FF

surface

#F3EFFF

border

#CDCAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5557EF

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

Preview Lab → · Contrast checker → · Palette generator →