#557ED6#557ED6

#557ED6 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.5% C 0.142 H 263.8°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX#557ED6
RGBrgb(85, 126, 214)
HSLhsl(221, 61%, 59%)
HSVhsv(221, 60%, 84%)
CMYKcmyk(60.3%, 41.1%, 0%, 16.1%)
CIE-LABlab(53.71, 12.62, -49.55)
CIE-LCHlch(53.71, 51.13, 284.29°)
OKLaboklab(60.52% -0.0152 -0.141)
OKLCHoklch(60.52% 0.142 263.8)
XYZxyz(23.3406, 21.7060, 66.5650)
Luminance0.2171 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557ED6 #D6AD55
analogous
#55BED6 #557ED6 #6C55D6
triadic
#557ED6 #D6557E #7ED655
tetradic
#557ED6 #D655BE #D6AD55 #55D66C
square
#557ED6 #D655BE #D6AD55 #55D66C
split-complementary
#557ED6 #D66C55 #BED655
monochromatic
#22458E #2E5CC0 #557ED6 #86A3E2 #B8C9EE

Accessibility & contrast

On white

3.93
#557ED6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.34
#557ED6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557ED6
5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557ED6#FFFFFF#000000##000000
##557ED61.003.935.345.34
#FFFFFF3.931.0021.0021.00
#0000005.3421.001.001.00
##0000005.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5787D9
Deuteranopia (green-blind)
#457BD4
Tritanopia (blue-blind)
#00929F
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #557ed6;
/* rgb */ color: rgb(85, 126, 214);
/* oklch */ color: oklch(60.5% 0.142 263.8);
Tailwind
colors: {
  custom: {
    50: '#8fa2e3',
    500: '#557ed6',
    950: '#000000',
  },
}
SCSS
$custom: #557ed6;
$custom-light: #8fa2e3;
$custom-dark: #000000;
JSON
{
  "hex": "#557ed6",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 214
  },
  "hsl": {
    "h": 220.93,
    "s": 61.137,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60517,
    "c": 0.1418,
    "h": 263.8
  },
  "luminance": 0.21708
}

Semantic roles & 50–950 ramp

primary
#557ED6
secondary
#DDCDAA
accent
#B144E4
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0D0F15
muted
#7E7E83

Preview Lab

Preview with #557ED6

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

Preview Lab → · Contrast checker → · Palette generator →

#557ED6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva