#577B80#577B80

#577B80 is a mid, muted teal. Relative luminance 0.178; OKLCH L 55.8% C 0.041 H 206.8°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#577B80
RGB	rgb(87, 123, 128)
HSL	hsl(187, 19%, 42%)
HSV	hsv(187, 32%, 50%)
CMYK	cmyk(32%, 3.9%, 0%, 49.8%)
CIE-LAB	lab(49.19, -11.35, -6.81)
CIE-LCH	lch(49.19, 13.24, 210.98°)
OKLab	oklab(55.77% -0.0368 -0.0186)
OKLCH	oklch(55.77% 0.041 206.8)
XYZ	xyz(14.9084, 17.7499, 23.0584)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B80 #805C57

analogous

#578071 #577B80 #576780

triadic

#577B80 #80577B #7B8057

tetradic

#577B80 #715780 #805C57 #678057

square

#577B80 #715780 #805C57 #678057

split-complementary

#577B80 #805767 #807157

monochromatic

#253537 #3E585C #577B80 #749BA0 #98B5B9

Accessibility & contrast

On white

4.62

#577B80 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#577B80 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577B80

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B80	#FFFFFF	#000000	##FFFFFF
##577B80	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#757880

Deuteranopia (green-blind)

#6E7380

Tritanopia (blue-blind)

#497E7C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577b80;
/* rgb */ color: rgb(87, 123, 128);
/* oklch */ color: oklch(55.8% 0.041 206.8);

Tailwind

colors: {
  custom: {
    50: '#88a1a4',
    500: '#577b80',
    950: '#000000',
  },
}

SCSS

$custom: #577b80;
$custom-light: #88a1a4;
$custom-dark: #000000;

JSON

{
  "hex": "#577b80",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 128
  },
  "hsl": {
    "h": 187.317,
    "s": 19.07,
    "l": 42.157
  },
  "oklch": {
    "l": 0.55766,
    "c": 0.04129,
    "h": 206.8
  },
  "luminance": 0.17751
}

Semantic roles & 50–950 ramp

primary

#577B80

secondary

#A78F8C

accent

#766CBC

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F0F

muted

#7C7E7F

Preview Lab

Preview with #577B80

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

Preview Lab → · Contrast checker → · Palette generator →