#577D87#577D87

#577D87 is a mid, muted cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.045 H 215.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#577D87
RGB	rgb(87, 125, 135)
HSL	hsl(193, 22%, 44%)
HSV	hsv(193, 36%, 53%)
CMYK	cmyk(35.6%, 7.4%, 0%, 47.1%)
CIE-LAB	lab(50.03, -10.64, -9.68)
CIE-LCH	lch(50.03, 14.38, 222.32°)
OKLab	oklab(56.51% -0.0366 -0.0265)
OKLCH	oklch(56.51% 0.045 215.9)
XYZ	xyz(15.6358, 18.4418, 25.6527)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D87 #876157

analogous

#578779 #577D87 #576587

triadic

#577D87 #87577D #7D8757

tetradic

#577D87 #795787 #876157 #658757

square

#577D87 #795787 #876157 #658757

split-complementary

#577D87 #875765 #877957

monochromatic

#27383D #3F5B62 #577D87 #759CA6 #9AB7BE

Accessibility & contrast

On white

4.48

#577D87 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#577D87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D87

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D87	#FFFFFF	#000000	##000000
##577D87	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767A88

Deuteranopia (green-blind)

#6E7487

Tritanopia (blue-blind)

#468180

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577d87;
/* rgb */ color: rgb(87, 125, 135);
/* oklch */ color: oklch(56.5% 0.045 215.9);

Tailwind

colors: {
  custom: {
    50: '#88a2aa',
    500: '#577d87',
    950: '#000000',
  },
}

SCSS

$custom: #577d87;
$custom-light: #88a2aa;
$custom-dark: #000000;

JSON

{
  "hex": "#577d87",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 135
  },
  "hsl": {
    "h": 192.5,
    "s": 21.622,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56508,
    "c": 0.04521,
    "h": 215.9
  },
  "luminance": 0.18443
}

Semantic roles & 50–950 ramp

primary

#577D87

secondary

#AC948E

accent

#7B6ABE

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #577D87

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

Preview Lab → · Contrast checker → · Palette generator →