#577B7B#577B7B

#577B7B is a mid, muted teal. Relative luminance 0.176; OKLCH L 55.6% C 0.041 H 196.0°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#577B7B
RGB	rgb(87, 123, 123)
HSL	hsl(180, 17%, 41%)
HSV	hsv(180, 29%, 48%)
CMYK	cmyk(29.3%, 0%, 0%, 51.8%)
CIE-LAB	lab(49.03, -12.62, -4.10)
CIE-LCH	lch(49.03, 13.27, 197.99°)
OKLab	oklab(55.59% -0.039 -0.0112)
OKLCH	oklch(55.59% 0.041 196)
XYZ	xyz(14.5874, 17.6215, 21.3677)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B7B #7B5757

analogous

#577B69 #577B7B #57697B

triadic

#577B7B #7B577B #7B7B57

tetradic

#577B7B #69577B #7B5757 #697B57

square

#577B7B #69577B #7B5757 #697B57

split-complementary

#577B7B #7B5769 #7B6957

monochromatic

#243333 #3E5757 #577B7B #739C9C #97B5B5

Accessibility & contrast

On white

4.64

#577B7B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#577B7B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577B7B

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B7B	#FFFFFF	#000000	##FFFFFF
##577B7B	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#76787B

Deuteranopia (green-blind)

#6F727B

Tritanopia (blue-blind)

#4A7D7B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577b7b;
/* rgb */ color: rgb(87, 123, 123);
/* oklch */ color: oklch(55.6% 0.041 196.0);

Tailwind

colors: {
  custom: {
    50: '#88a1a1',
    500: '#577b7b',
    950: '#000000',
  },
}

SCSS

$custom: #577b7b;
$custom-light: #88a1a1;
$custom-dark: #000000;

JSON

{
  "hex": "#577b7b",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 123
  },
  "hsl": {
    "h": 180,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55588,
    "c": 0.04062,
    "h": 196
  },
  "luminance": 0.17622
}

Semantic roles & 50–950 ramp

primary

#577B7B

secondary

#A38A8A

accent

#6E6EBA

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0B0F0E

muted

#7C7E7E

Preview Lab

Preview with #577B7B

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

Preview Lab → · Contrast checker → · Palette generator →