#557B78#557B78

#557B78 is a mid, muted teal. Relative luminance 0.175; OKLCH L 55.4% C 0.043 H 189.8°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#557B78
RGB	rgb(85, 123, 120)
HSL	hsl(175, 18%, 41%)
HSV	hsv(175, 31%, 48%)
CMYK	cmyk(30.9%, 0%, 2.4%, 51.8%)
CIE-LAB	lab(48.83, -14.00, -2.65)
CIE-LCH	lch(48.83, 14.24, 190.71°)
OKLab	oklab(55.36% -0.0423 -0.0073)
OKLCH	oklch(55.36% 0.043 189.8)
XYZ	xyz(14.2183, 17.4525, 20.3851)
Luminance	0.1745 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557B78 #7B5558

analogous

#557B65 #557B78 #556B7B

triadic

#557B78 #78557B #7B7855

tetradic

#557B78 #65557B #7B5558 #6B7B55

square

#557B78 #65557B #7B5558 #6B7B55

split-complementary

#557B78 #7B556B #7B6555

monochromatic

#233331 #3C5755 #557B78 #719D99 #95B6B3

Accessibility & contrast

On white

4.68

#557B78 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#557B78 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557B78

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557B78	#FFFFFF	#000000	##FFFFFF
##557B78	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#777778

Deuteranopia (green-blind)

#707278

Tritanopia (blue-blind)

#487D7A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #557b78;
/* rgb */ color: rgb(85, 123, 120);
/* oklch */ color: oklch(55.4% 0.043 189.8);

Tailwind

colors: {
  custom: {
    50: '#86a19e',
    500: '#557b78',
    950: '#000000',
  },
}

SCSS

$custom: #557b78;
$custom-light: #86a19e;
$custom-dark: #000000;

JSON

{
  "hex": "#557b78",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 120
  },
  "hsl": {
    "h": 175.263,
    "s": 18.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.5536,
    "c": 0.04296,
    "h": 189.8
  },
  "luminance": 0.17453
}

Semantic roles & 50–950 ramp

primary

#557B78

secondary

#A3888B

accent

#6D73BB

background

#F8F9F9

surface

#EFF2F2

border

#CACCCC

text

#0B0F0E

muted

#7C7E7E

Preview Lab

Preview with #557B78

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

Preview Lab → · Contrast checker → · Palette generator →