#557A9F#557A9F

#557A9F is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.071 H 249.2°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX#557A9F
RGBrgb(85, 122, 159)
HSLhsl(210, 30%, 48%)
HSVhsv(210, 47%, 62%)
CMYKcmyk(46.5%, 23.3%, 0%, 37.6%)
CIE-LABlab(49.92, -2.64, -23.92)
CIE-LCHlch(49.92, 24.07, 263.70°)
OKLaboklab(56.69% -0.0253 -0.0666)
OKLCHoklch(56.69% 0.071 249.2)
XYZxyz(16.9617, 18.3524, 35.4427)
Luminance0.1835 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557A9F #9F7A55
analogous
#559F9F #557A9F #55559F
triadic
#557A9F #9F557A #7A9F55
tetradic
#557A9F #9F559F #9F7A55 #559F55
square
#557A9F #9F559F #9F7A55 #559F55
split-complementary
#557A9F #9F5555 #9F9F55
monochromatic
#2A3D4F #405B77 #557A9F #7A99B8 #A1B7CD

Accessibility & contrast

On white

4.50
#557A9F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.67
#557A9F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557A9F
4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557A9F#FFFFFF#000000##000000
##557A9F1.004.504.674.67
#FFFFFF4.501.0021.0021.00
#0000004.6721.001.001.00
##0000004.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B7BA1
Deuteranopia (green-blind)
#62739E
Tritanopia (blue-blind)
#368387
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #557a9f;
/* rgb */ color: rgb(85, 122, 159);
/* oklch */ color: oklch(56.7% 0.071 249.2);
Tailwind
colors: {
  custom: {
    50: '#89a0bb',
    500: '#557a9f',
    950: '#000000',
  },
}
SCSS
$custom: #557a9f;
$custom-light: #89a0bb;
$custom-dark: #000000;
JSON
{
  "hex": "#557a9f",
  "rgb": {
    "r": 85,
    "g": 122,
    "b": 159
  },
  "hsl": {
    "h": 210,
    "s": 30.328,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56691,
    "c": 0.07125,
    "h": 249.2
  },
  "luminance": 0.18354
}

Semantic roles & 50–950 ramp

primary
#557A9F
secondary
#BAA895
accent
#9461C7
background
#F8F9FB
surface
#F0F2F6
border
#CBCCD0
text
#0C0E12
muted
#7D7E81

Preview Lab

Preview with #557A9F

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

Preview Lab → · Contrast checker → · Palette generator →

#557A9F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva