#577F81#577F81

#577F81 is a mid, muted teal. Relative luminance 0.188; OKLCH L 56.8% C 0.045 H 199.9°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#577F81
RGB	rgb(87, 127, 129)
HSL	hsl(183, 19%, 42%)
HSV	hsv(183, 33%, 51%)
CMYK	cmyk(32.6%, 1.6%, 0%, 49.4%)
CIE-LAB	lab(50.44, -13.32, -5.55)
CIE-LCH	lch(50.44, 14.43, 202.61°)
OKLab	oklab(56.77% -0.0419 -0.0152)
OKLCH	oklch(56.77% 0.045 199.9)
XYZ	xyz(15.4810, 18.7891, 23.5756)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F81 #815957

analogous

#57816E #577F81 #576A81

triadic

#577F81 #81577F #7F8157

tetradic

#577F81 #6E5781 #815957 #6A8157

square

#577F81 #6E5781 #815957 #6A8157

split-complementary

#577F81 #81576A #816E57

monochromatic

#263738 #3E5B5C #577F81 #749FA1 #99B8BA

Accessibility & contrast

On white

4.41

#577F81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#577F81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F81

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F81	#FFFFFF	#000000	##000000
##577F81	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A7B81

Deuteranopia (green-blind)

#727681

Tritanopia (blue-blind)

#48827F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577f81;
/* rgb */ color: rgb(87, 127, 129);
/* oklch */ color: oklch(56.8% 0.045 199.9);

Tailwind

colors: {
  custom: {
    50: '#88a4a5',
    500: '#577f81',
    950: '#000000',
  },
}

SCSS

$custom: #577f81;
$custom-light: #88a4a5;
$custom-dark: #000000;

JSON

{
  "hex": "#577f81",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 129
  },
  "hsl": {
    "h": 182.857,
    "s": 19.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.56771,
    "c": 0.04457,
    "h": 199.9
  },
  "luminance": 0.1879
}

Semantic roles & 50–950 ramp

primary

#577F81

secondary

#A88D8C

accent

#706CBC

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0B0F0F

muted

#7C7F7F

Preview Lab

Preview with #577F81

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

Preview Lab → · Contrast checker → · Palette generator →