#577F80#577F80

#577F80 is a mid, muted teal. Relative luminance 0.188; OKLCH L 56.7% C 0.045 H 197.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#577F80
RGB	rgb(87, 127, 128)
HSL	hsl(181, 19%, 42%)
HSV	hsv(181, 32%, 50%)
CMYK	cmyk(32%, 0.8%, 0%, 49.8%)
CIE-LAB	lab(50.41, -13.57, -5.01)
CIE-LCH	lch(50.41, 14.47, 200.24°)
OKLab	oklab(56.74% -0.0423 -0.0137)
OKLCH	oklch(56.74% 0.045 197.9)
XYZ	xyz(15.4148, 18.7626, 23.2272)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F80 #805857

analogous

#57806D #577F80 #576B80

triadic

#577F80 #80577F #7F8057

tetradic

#577F80 #6D5780 #805857 #6B8057

square

#577F80 #6D5780 #805857 #6B8057

split-complementary

#577F80 #80576B #806D57

monochromatic

#253737 #3E5B5C #577F80 #749FA0 #98B8B9

Accessibility & contrast

On white

4.42

#577F80 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#577F80 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F80

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F80	#FFFFFF	#000000	##000000
##577F80	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7B80

Deuteranopia (green-blind)

#727680

Tritanopia (blue-blind)

#48827F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577f80;
/* rgb */ color: rgb(87, 127, 128);
/* oklch */ color: oklch(56.7% 0.045 197.9);

Tailwind

colors: {
  custom: {
    50: '#88a4a4',
    500: '#577f80',
    950: '#000000',
  },
}

SCSS

$custom: #577f80;
$custom-light: #88a4a4;
$custom-dark: #000000;

JSON

{
  "hex": "#577f80",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 128
  },
  "hsl": {
    "h": 181.463,
    "s": 19.07,
    "l": 42.157
  },
  "oklch": {
    "l": 0.56736,
    "c": 0.04451,
    "h": 197.9
  },
  "luminance": 0.18763
}

Semantic roles & 50–950 ramp

primary

#577F80

secondary

#A78C8C

accent

#6E6CBC

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0B0F0F

muted

#7C7F7F

Preview Lab

Preview with #577F80

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

Preview Lab → · Contrast checker → · Palette generator →