#557EE0#557EE0

#557EE0 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.1% C 0.155 H 265.1°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX#557EE0
RGBrgb(85, 126, 224)
HSLhsl(222, 69%, 61%)
HSVhsv(222, 62%, 88%)
CMYKcmyk(62.1%, 43.7%, 0%, 12.2%)
CIE-LABlab(54.27, 15.99, -54.28)
CIE-LCHlch(54.27, 56.59, 286.41°)
OKLaboklab(61.13% -0.0134 -0.1549)
OKLCHoklch(61.13% 0.155 265.1)
XYZxyz(24.6571, 22.2326, 73.4985)
Luminance0.2223 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557EE0 #E0B755
analogous
#55C3E0 #557EE0 #7155E0
triadic
#557EE0 #E0557E #7EE055
tetradic
#557EE0 #E055C3 #E0B755 #55E071
square
#557EE0 #E055C3 #E0B755 #55E071
split-complementary
#557EE0 #E07155 #C3E055
monochromatic
#1D439E #2659D2 #557EE0 #89A5E9 #BDCDF3

Accessibility & contrast

On white

3.86
#557EE0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.45
#557EE0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EE0
5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557EE0#FFFFFF#000000##000000
##557EE01.003.865.455.45
#FFFFFF3.861.0021.0021.00
#0000005.4521.001.001.00
##0000005.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#5089E4
Deuteranopia (green-blind)
#3A7CDE
Tritanopia (blue-blind)
#0094A4
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #557ee0;
/* rgb */ color: rgb(85, 126, 224);
/* oklch */ color: oklch(61.1% 0.155 265.1);
Tailwind
colors: {
  custom: {
    50: '#91a2ea',
    500: '#557ee0',
    950: '#000000',
  },
}
SCSS
$custom: #557ee0;
$custom-light: #91a2ea;
$custom-dark: #000000;
JSON
{
  "hex": "#557ee0",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 224
  },
  "hsl": {
    "h": 222.302,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.61128,
    "c": 0.15546,
    "h": 265.1
  },
  "luminance": 0.22235
}

Semantic roles & 50–950 ramp

primary
#557EE0
secondary
#E3D3AE
accent
#9914D1
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0E0F16
muted
#7E7E84

Preview Lab

Preview with #557EE0

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

Preview Lab → · Contrast checker → · Palette generator →

#557EE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva