#577C87#577C87

#577C87 is a mid, muted cyan. Relative luminance 0.182; OKLCH L 56.3% C 0.045 H 218.2°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#577C87
RGB	rgb(87, 124, 135)
HSL	hsl(194, 22%, 44%)
HSV	hsv(194, 36%, 53%)
CMYK	cmyk(35.6%, 8.1%, 0%, 47.1%)
CIE-LAB	lab(49.73, -10.07, -10.14)
CIE-LCH	lch(49.73, 14.29, 225.19°)
OKLab	oklab(56.27% -0.0352 -0.0278)
OKLCH	oklch(56.27% 0.045 218.2)
XYZ	xyz(15.5098, 18.1899, 25.6107)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C87 #876257

analogous

#57877A #577C87 #576487

triadic

#577C87 #87577C #7C8757

tetradic

#577C87 #7A5787 #876257 #648757

square

#577C87 #7A5787 #876257 #648757

split-complementary

#577C87 #875764 #877A57

monochromatic

#27383D #3F5A62 #577C87 #759BA6 #9AB6BE

Accessibility & contrast

On white

4.53

#577C87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#577C87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C87

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C87	#FFFFFF	#000000	##000000
##577C87	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757A88

Deuteranopia (green-blind)

#6D7487

Tritanopia (blue-blind)

#46807F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577c87;
/* rgb */ color: rgb(87, 124, 135);
/* oklch */ color: oklch(56.3% 0.045 218.2);

Tailwind

colors: {
  custom: {
    50: '#88a2aa',
    500: '#577c87',
    950: '#000000',
  },
}

SCSS

$custom: #577c87;
$custom-light: #88a2aa;
$custom-dark: #000000;

JSON

{
  "hex": "#577c87",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 135
  },
  "hsl": {
    "h": 193.75,
    "s": 21.622,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56268,
    "c": 0.04487,
    "h": 218.2
  },
  "luminance": 0.18191
}

Semantic roles & 50–950 ramp

primary

#577C87

secondary

#AC958E

accent

#7D6ABE

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F10

muted

#7C7E7F

Preview Lab

Preview with #577C87

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

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