#557EAF#557EAF

#557EAF is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.4% C 0.089 H 253.6°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX#557EAF
RGBrgb(85, 126, 175)
HSLhsl(213, 36%, 51%)
HSVhsv(213, 51%, 69%)
CMYKcmyk(51.4%, 28%, 0%, 31.4%)
CIE-LABlab(51.78, -0.08, -30.33)
CIE-LCHlch(51.78, 30.33, 269.84°)
OKLaboklab(58.38% -0.0251 -0.085)
OKLCHoklch(58.38% 0.089 253.6)
XYZxyz(18.9424, 19.9467, 43.4011)
Luminance0.1995 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557EAF #AF8655
analogous
#55ABAF #557EAF #5955AF
triadic
#557EAF #AF557E #7EAF55
tetradic
#557EAF #AF55AB #AF8655 #55AF59
square
#557EAF #AF55AB #AF8655 #55AF59
split-complementary
#557EAF #AF5955 #ABAF55
monochromatic
#2C435E #406087 #557EAF #7F9EC3 #A8BDD6

Accessibility & contrast

On white

4.21
#557EAF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.99
#557EAF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EAF
4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557EAF#FFFFFF#000000##000000
##557EAF1.004.214.994.99
#FFFFFF4.211.0021.0021.00
#0000004.9921.001.001.00
##0000004.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B80B1
Deuteranopia (green-blind)
#5F77AE
Tritanopia (blue-blind)
#28898F
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #557eaf;
/* rgb */ color: rgb(85, 126, 175);
/* oklch */ color: oklch(58.4% 0.089 253.6);
Tailwind
colors: {
  custom: {
    50: '#8aa3c7',
    500: '#557eaf',
    950: '#000000',
  },
}
SCSS
$custom: #557eaf;
$custom-light: #8aa3c7;
$custom-dark: #000000;
JSON
{
  "hex": "#557eaf",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 212.667,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58377,
    "c": 0.08863,
    "h": 253.6
  },
  "luminance": 0.19948
}

Semantic roles & 50–950 ramp

primary
#557EAF
secondary
#C4B29C
accent
#995CCC
background
#F8FAFC
surface
#F0F3F8
border
#CBCDD1
text
#0C0F13
muted
#7D7F82

Preview Lab

Preview with #557EAF

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

Preview Lab → · Contrast checker → · Palette generator →

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