#577D88#577D88

#577D88 is a mid, muted cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.046 H 217.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#577D88
RGB	rgb(87, 125, 136)
HSL	hsl(193, 22%, 44%)
HSV	hsv(193, 36%, 53%)
CMYK	cmyk(36%, 8.1%, 0%, 46.7%)
CIE-LAB	lab(50.06, -10.37, -10.22)
CIE-LCH	lch(50.06, 14.56, 224.59°)
OKLab	oklab(56.55% -0.0362 -0.028)
OKLCH	oklch(56.55% 0.046 217.7)
XYZ	xyz(15.7065, 18.4701, 26.0253)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D88 #886257

analogous

#57887A #577D88 #576488

triadic

#577D88 #88577D #7D8857

tetradic

#577D88 #7A5788 #886257 #648857

square

#577D88 #7A5788 #886257 #648857

split-complementary

#577D88 #885764 #887A57

monochromatic

#27383D #3F5B63 #577D88 #759CA7 #9BB7BF

Accessibility & contrast

On white

4.47

#577D88 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#577D88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D88

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D88	#FFFFFF	#000000	##000000
##577D88	1.00	4.47	4.69	4.69
#FFFFFF	4.47	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)

#767B89

Deuteranopia (green-blind)

#6E7588

Tritanopia (blue-blind)

#458180

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577d88;
/* rgb */ color: rgb(87, 125, 136);
/* oklch */ color: oklch(56.5% 0.046 217.7);

Tailwind

colors: {
  custom: {
    50: '#88a2aa',
    500: '#577d88',
    950: '#000000',
  },
}

SCSS

$custom: #577d88;
$custom-light: #88a2aa;
$custom-dark: #000000;

JSON

{
  "hex": "#577d88",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 136
  },
  "hsl": {
    "h": 193.469,
    "s": 21.973,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56546,
    "c": 0.04576,
    "h": 217.7
  },
  "luminance": 0.18471
}

Semantic roles & 50–950 ramp

primary

#577D88

secondary

#AC958E

accent

#7C69BE

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #577D88

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

Preview Lab → · Contrast checker → · Palette generator →