#557B6F#557B6F

#557B6F is a mid, muted teal. Relative luminance 0.172; OKLCH L 55.1% C 0.047 H 172.9°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#557B6F
RGBrgb(85, 123, 111)
HSLhsl(161, 18%, 41%)
HSVhsv(161, 31%, 48%)
CMYKcmyk(30.9%, 0%, 9.8%, 51.8%)
CIE-LABlab(48.57, -16.16, 2.29)
CIE-LCHlch(48.57, 16.32, 171.95°)
OKLaboklab(55.07% -0.0465 0.0058)
OKLCHoklch(55.07% 0.047 172.9)
XYZxyz(13.6976, 17.2442, 17.6426)
Luminance0.1724 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#557B6F #7B5561
analogous
#557B5C #557B6F #55747B
triadic
#557B6F #6F557B #7B6F55
tetradic
#557B6F #5C557B #7B5561 #747B55
square
#557B6F #5C557B #7B5561 #747B55
split-complementary
#557B6F #7B5574 #7B5C55
monochromatic
#23332E #3C574E #557B6F #719D8F #95B6AB

Accessibility & contrast

On white

4.72
#557B6F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.45
#557B6F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557B6F
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##557B6F#FFFFFF#000000##FFFFFF
##557B6F1.004.724.454.72
#FFFFFF4.721.0021.001.00
#0000004.4521.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#79766E
Deuteranopia (green-blind)
#727170
Tritanopia (blue-blind)
#4B7C77
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #557b6f;
/* rgb */ color: rgb(85, 123, 111);
/* oklch */ color: oklch(55.1% 0.047 172.9);
Tailwind
colors: {
  custom: {
    50: '#86a198',
    500: '#557b6f',
    950: '#000000',
  },
}
SCSS
$custom: #557b6f;
$custom-light: #86a198;
$custom-dark: #000000;
JSON
{
  "hex": "#557b6f",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 111
  },
  "hsl": {
    "h": 161.053,
    "s": 18.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55067,
    "c": 0.04683,
    "h": 172.9
  },
  "luminance": 0.17245
}

Semantic roles & 50–950 ramp

primary
#557B6F
secondary
#A38891
accent
#6D86BB
background
#F8F9F9
surface
#EFF2F2
border
#CACCCC
text
#0B0F0D
muted
#7C7E7E

Preview Lab

Preview with #557B6F

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

Preview Lab → · Contrast checker → · Palette generator →

#557B6F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva