#577D81#577D81

#577D81 is a mid, muted teal. Relative luminance 0.183; OKLCH L 56.3% C 0.043 H 204.2°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#577D81
RGB	rgb(87, 125, 129)
HSL	hsl(186, 19%, 42%)
HSV	hsv(186, 33%, 51%)
CMYK	cmyk(32.6%, 3.1%, 0%, 49.4%)
CIE-LAB	lab(49.83, -12.21, -6.45)
CIE-LCH	lch(49.83, 13.81, 207.85°)
OKLab	oklab(56.29% -0.0392 -0.0176)
OKLCH	oklch(56.29% 0.043 204.2)
XYZ	xyz(15.2252, 18.2776, 23.4903)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D81 #815B57

analogous

#578170 #577D81 #576881

triadic

#577D81 #81577D #7D8157

tetradic

#577D81 #705781 #815B57 #688157

square

#577D81 #705781 #815B57 #688157

split-complementary

#577D81 #815768 #817057

monochromatic

#263638 #3E5A5C #577D81 #749DA1 #99B7BA

Accessibility & contrast

On white

4.51

#577D81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#577D81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D81

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D81	#FFFFFF	#000000	##000000
##577D81	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777A81

Deuteranopia (green-blind)

#707481

Tritanopia (blue-blind)

#48807E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577d81;
/* rgb */ color: rgb(87, 125, 129);
/* oklch */ color: oklch(56.3% 0.043 204.2);

Tailwind

colors: {
  custom: {
    50: '#88a2a5',
    500: '#577d81',
    950: '#000000',
  },
}

SCSS

$custom: #577d81;
$custom-light: #88a2a5;
$custom-dark: #000000;

JSON

{
  "hex": "#577d81",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 129
  },
  "hsl": {
    "h": 185.714,
    "s": 19.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.56286,
    "c": 0.04296,
    "h": 204.2
  },
  "luminance": 0.18278
}

Semantic roles & 50–950 ramp

primary

#577D81

secondary

#A88F8C

accent

#736CBC

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0B0F0F

muted

#7C7F7F

Preview Lab

Preview with #577D81

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

Preview Lab → · Contrast checker → · Palette generator →