#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
RGBrgb(85, 87, 239)
HSLhsl(239, 83%, 64%)
HSVhsv(239, 64%, 94%)
CMYKcmyk(64.4%, 63.6%, 0%, 6.3%)
CIE-LABlab(45.60, 44.82, -76.73)
CIE-LCHlch(45.60, 88.86, 300.29°)
OKLaboklab(54.95% 0.0219 -0.2213)
OKLCHoklch(54.95% 0.222 275.7)
XYZxyz(22.7294, 14.9777, 83.3378)
Luminance0.1498 (WCAG relative)
Temperaturecool
Familyblue

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
##5557EF1.005.264.005.26
#FFFFFF5.261.0021.001.00
#0000004.0021.001.0021.00
##FFFFFF5.261.0021.001.00

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 →

#5557EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva