#577B7A#577B7A

#577B7A is a mid, muted teal. Relative luminance 0.176; OKLCH L 55.6% C 0.041 H 193.9°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#577B7A
RGB	rgb(87, 123, 122)
HSL	hsl(178, 17%, 41%)
HSV	hsv(178, 29%, 48%)
CMYK	cmyk(29.3%, 0%, 0.8%, 51.8%)
CIE-LAB	lab(49.00, -12.87, -3.55)
CIE-LCH	lch(49.00, 13.35, 195.43°)
OKLab	oklab(55.55% -0.0395 -0.0097)
OKLCH	oklch(55.55% 0.041 193.9)
XYZ	xyz(14.5251, 17.5966, 21.0397)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B7A #7B5758

analogous

#577B68 #577B7A #576A7B

triadic

#577B7A #7A577B #7B7A57

tetradic

#577B7A #68577B #7B5758 #6A7B57

square

#577B7A #68577B #7B5758 #6A7B57

split-complementary

#577B7A #7B576A #7B6857

monochromatic

#243333 #3E5756 #577B7A #739C9B #97B5B5

Accessibility & contrast

On white

4.65

#577B7A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#577B7A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577B7A

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B7A	#FFFFFF	#000000	##FFFFFF
##577B7A	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#77777A

Deuteranopia (green-blind)

#70727A

Tritanopia (blue-blind)

#4B7D7B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577b7a;
/* rgb */ color: rgb(87, 123, 122);
/* oklch */ color: oklch(55.6% 0.041 193.9);

Tailwind

colors: {
  custom: {
    50: '#87a1a0',
    500: '#577b7a',
    950: '#000000',
  },
}

SCSS

$custom: #577b7a;
$custom-light: #87a1a0;
$custom-dark: #000000;

JSON

{
  "hex": "#577b7a",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 122
  },
  "hsl": {
    "h": 178.333,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55554,
    "c": 0.04067,
    "h": 193.9
  },
  "luminance": 0.17597
}

Semantic roles & 50–950 ramp

primary

#577B7A

secondary

#A38A8B

accent

#6E70BA

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0B0F0E

muted

#7C7E7E

Preview Lab

Preview with #577B7A

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

Preview Lab → · Contrast checker → · Palette generator →