#557CAB#557CAB

#557CAB is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.085 H 253.7°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#557CAB
RGBrgb(85, 124, 171)
HSLhsl(213, 34%, 50%)
HSVhsv(213, 50%, 67%)
CMYKcmyk(50.3%, 27.5%, 0%, 32.9%)
CIE-LABlab(51.02, -0.15, -29.20)
CIE-LCHlch(51.02, 29.20, 269.71°)
OKLaboklab(57.72% -0.0239 -0.0817)
OKLCHoklch(57.72% 0.085 253.7)
XYZxyz(18.3021, 19.2856, 41.2782)
Luminance0.1929 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557CAB #AB8455
analogous
#55A7AB #557CAB #5955AB
triadic
#557CAB #AB557C #7CAB55
tetradic
#557CAB #AB55A7 #AB8455 #55AB59
square
#557CAB #AB55A7 #AB8455 #55AB59
split-complementary
#557CAB #AB5955 #A7AB55
monochromatic
#2C4159 #405E82 #557CAB #7E9CBF #A7BBD3

Accessibility & contrast

On white

4.32
#557CAB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.86
#557CAB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CAB
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557CAB#FFFFFF#000000##000000
##557CAB1.004.324.864.86
#FFFFFF4.321.0021.0021.00
#0000004.8621.001.001.00
##0000004.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#697EAD
Deuteranopia (green-blind)
#5F76AA
Tritanopia (blue-blind)
#2D878C
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #557cab;
/* rgb */ color: rgb(85, 124, 171);
/* oklch */ color: oklch(57.7% 0.085 253.7);
Tailwind
colors: {
  custom: {
    50: '#8aa1c4',
    500: '#557cab',
    950: '#000000',
  },
}
SCSS
$custom: #557cab;
$custom-light: #8aa1c4;
$custom-dark: #000000;
JSON
{
  "hex": "#557cab",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 171
  },
  "hsl": {
    "h": 212.791,
    "s": 33.858,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57724,
    "c": 0.08517,
    "h": 253.7
  },
  "luminance": 0.19287
}

Semantic roles & 50–950 ramp

primary
#557CAB
secondary
#C1B09B
accent
#995ECA
background
#F8F9FC
surface
#F0F2F8
border
#CBCCD1
text
#0C0F12
muted
#7D7E81

Preview Lab

Preview with #557CAB

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

Preview Lab → · Contrast checker → · Palette generator →

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