#577B7F#577B7F

#577B7F is a mid, muted teal. Relative luminance 0.177; OKLCH L 55.7% C 0.041 H 204.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#577B7F
RGB	rgb(87, 123, 127)
HSL	hsl(186, 19%, 42%)
HSV	hsv(186, 31%, 50%)
CMYK	cmyk(31.5%, 3.1%, 0%, 50.2%)
CIE-LAB	lab(49.16, -11.60, -6.27)
CIE-LCH	lch(49.16, 13.19, 208.39°)
OKLab	oklab(55.73% -0.0373 -0.0171)
OKLCH	oklch(55.73% 0.041 204.7)
XYZ	xyz(14.8429, 17.7237, 22.7135)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B7F #7F5B57

analogous

#577F6F #577B7F #57677F

triadic

#577B7F #7F577B #7B7F57

tetradic

#577B7F #6F577F #7F5B57 #677F57

square

#577B7F #6F577F #7F5B57 #677F57

split-complementary

#577B7F #7F5767 #7F6F57

monochromatic

#253536 #3E585B #577B7F #749BA0 #98B5B8

Accessibility & contrast

On white

4.62

#577B7F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#577B7F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577B7F

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B7F	#FFFFFF	#000000	##FFFFFF
##577B7F	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75787F

Deuteranopia (green-blind)

#6E737F

Tritanopia (blue-blind)

#497E7C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577b7f;
/* rgb */ color: rgb(87, 123, 127);
/* oklch */ color: oklch(55.7% 0.041 204.7);

Tailwind

colors: {
  custom: {
    50: '#88a1a4',
    500: '#577b7f',
    950: '#000000',
  },
}

SCSS

$custom: #577b7f;
$custom-light: #88a1a4;
$custom-dark: #000000;

JSON

{
  "hex": "#577b7f",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 127
  },
  "hsl": {
    "h": 186,
    "s": 18.692,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5573,
    "c": 0.04103,
    "h": 204.7
  },
  "luminance": 0.17724
}

Semantic roles & 50–950 ramp

primary

#577B7F

secondary

#A68E8C

accent

#746CBB

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F0F

muted

#7C7E7F

Preview Lab

Preview with #577B7F

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

Preview Lab → · Contrast checker → · Palette generator →