#557DAC#557DAC

#557DAC is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.086 H 253.2°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#557DAC
RGBrgb(85, 125, 172)
HSLhsl(212, 34%, 50%)
HSVhsv(212, 51%, 67%)
CMYKcmyk(50.6%, 27.3%, 0%, 32.5%)
CIE-LABlab(51.35, -0.43, -29.26)
CIE-LCHlch(51.35, 29.26, 269.16°)
OKLaboklab(58% -0.0248 -0.0819)
OKLCHoklch(58% 0.086 253.2)
XYZxyz(18.5238, 19.5757, 41.8241)
Luminance0.1958 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557DAC #AC8455
analogous
#55A8AC #557DAC #5955AC
triadic
#557DAC #AC557D #7DAC55
tetradic
#557DAC #AC55A8 #AC8455 #55AC59
square
#557DAC #AC55A8 #AC8455 #55AC59
split-complementary
#557DAC #AC5955 #A8AC55
monochromatic
#2C415A #405F84 #557DAC #7E9CC0 #A7BCD4

Accessibility & contrast

On white

4.27
#557DAC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.92
#557DAC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DAC
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557DAC#FFFFFF#000000##000000
##557DAC1.004.274.924.92
#FFFFFF4.271.0021.0021.00
#0000004.9221.001.001.00
##0000004.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A7FAE
Deuteranopia (green-blind)
#6077AB
Tritanopia (blue-blind)
#2B888D
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #557dac;
/* rgb */ color: rgb(85, 125, 172);
/* oklch */ color: oklch(58.0% 0.086 253.2);
Tailwind
colors: {
  custom: {
    50: '#8aa2c5',
    500: '#557dac',
    950: '#000000',
  },
}
SCSS
$custom: #557dac;
$custom-light: #8aa2c5;
$custom-dark: #000000;
JSON
{
  "hex": "#557dac",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 172
  },
  "hsl": {
    "h": 212.414,
    "s": 34.387,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58001,
    "c": 0.08558,
    "h": 253.2
  },
  "luminance": 0.19577
}

Semantic roles & 50–950 ramp

primary
#557DAC
secondary
#C2B09B
accent
#985DCA
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0F13
muted
#7D7E82

Preview Lab

Preview with #557DAC

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

Preview Lab → · Contrast checker → · Palette generator →

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