#577C81#577C81

#577C81 is a mid, muted teal. Relative luminance 0.180; OKLCH L 56.0% C 0.042 H 206.5°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#577C81
RGB	rgb(87, 124, 129)
HSL	hsl(187, 19%, 42%)
HSV	hsv(187, 33%, 51%)
CMYK	cmyk(32.6%, 3.9%, 0%, 49.4%)
CIE-LAB	lab(49.53, -11.65, -6.90)
CIE-LCH	lch(49.53, 13.54, 210.65°)
OKLab	oklab(56.04% -0.0378 -0.0189)
OKLCH	oklch(56.04% 0.042 206.5)
XYZ	xyz(15.0993, 18.0257, 23.4483)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C81 #815C57

analogous

#578171 #577C81 #576781

triadic

#577C81 #81577C #7C8157

tetradic

#577C81 #715781 #815C57 #678157

square

#577C81 #715781 #815C57 #678157

split-complementary

#577C81 #815767 #817157

monochromatic

#263638 #3E595C #577C81 #749CA1 #99B6BA

Accessibility & contrast

On white

4.56

#577C81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#577C81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C81

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C81	#FFFFFF	#000000	##000000
##577C81	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767981

Deuteranopia (green-blind)

#6F7381

Tritanopia (blue-blind)

#487F7D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577c81;
/* rgb */ color: rgb(87, 124, 129);
/* oklch */ color: oklch(56.0% 0.042 206.5);

Tailwind

colors: {
  custom: {
    50: '#88a2a5',
    500: '#577c81',
    950: '#000000',
  },
}

SCSS

$custom: #577c81;
$custom-light: #88a2a5;
$custom-dark: #000000;

JSON

{
  "hex": "#577c81",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 129
  },
  "hsl": {
    "h": 187.143,
    "s": 19.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.56044,
    "c": 0.04225,
    "h": 206.5
  },
  "luminance": 0.18027
}

Semantic roles & 50–950 ramp

primary

#577C81

secondary

#A88F8C

accent

#756CBC

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F0F

muted

#7C7E7F

Preview Lab

Preview with #577C81

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

Preview Lab → · Contrast checker → · Palette generator →