#577E87#577E87

#577E87 is a mid, muted cyan. Relative luminance 0.187; OKLCH L 56.7% C 0.046 H 213.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#577E87
RGB	rgb(87, 126, 135)
HSL	hsl(191, 22%, 44%)
HSV	hsv(191, 36%, 53%)
CMYK	cmyk(35.6%, 6.7%, 0%, 47.1%)
CIE-LAB	lab(50.33, -11.20, -9.23)
CIE-LCH	lch(50.33, 14.51, 219.50°)
OKLab	oklab(56.75% -0.038 -0.0253)
OKLCH	oklch(56.75% 0.046 213.7)
XYZ	xyz(15.7630, 18.6963, 25.6951)
Luminance	0.1870 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E87 #876057

analogous

#578778 #577E87 #576687

triadic

#577E87 #87577E #7E8757

tetradic

#577E87 #785787 #876057 #668757

square

#577E87 #785787 #876057 #668757

split-complementary

#577E87 #875766 #877857

monochromatic

#27393D #3F5B62 #577E87 #759DA6 #9AB7BE

Accessibility & contrast

On white

4.43

#577E87 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#577E87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E87

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E87	#FFFFFF	#000000	##000000
##577E87	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777B88

Deuteranopia (green-blind)

#6F7587

Tritanopia (blue-blind)

#458281

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577e87;
/* rgb */ color: rgb(87, 126, 135);
/* oklch */ color: oklch(56.7% 0.046 213.7);

Tailwind

colors: {
  custom: {
    50: '#88a3aa',
    500: '#577e87',
    950: '#000000',
  },
}

SCSS

$custom: #577e87;
$custom-light: #88a3aa;
$custom-dark: #000000;

JSON

{
  "hex": "#577e87",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 135
  },
  "hsl": {
    "h": 191.25,
    "s": 21.622,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56748,
    "c": 0.0456,
    "h": 213.7
  },
  "luminance": 0.18697
}

Semantic roles & 50–950 ramp

primary

#577E87

secondary

#AC948E

accent

#796ABE

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #577E87

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

Preview Lab → · Contrast checker → · Palette generator →