#577F87#577F87

#577F87 is a mid, muted cyan. Relative luminance 0.190; OKLCH L 57.0% C 0.046 H 211.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#577F87
RGB	rgb(87, 127, 135)
HSL	hsl(190, 22%, 44%)
HSV	hsv(190, 36%, 53%)
CMYK	cmyk(35.6%, 5.9%, 0%, 47.1%)
CIE-LAB	lab(50.63, -11.76, -8.78)
CIE-LCH	lch(50.63, 14.67, 216.74°)
OKLab	oklab(56.99% -0.0393 -0.024)
OKLCH	oklch(56.99% 0.046 211.4)
XYZ	xyz(15.8915, 18.9533, 25.7380)
Luminance	0.1895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F87 #875F57

analogous

#578777 #577F87 #576787

triadic

#577F87 #87577F #7F8757

tetradic

#577F87 #775787 #875F57 #678757

square

#577F87 #775787 #875F57 #678757

split-complementary

#577F87 #875767 #877757

monochromatic

#27393D #3F5C62 #577F87 #759EA6 #9AB8BE

Accessibility & contrast

On white

4.38

#577F87 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#577F87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F87

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F87	#FFFFFF	#000000	##000000
##577F87	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#787C88

Deuteranopia (green-blind)

#707687

Tritanopia (blue-blind)

#458381

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577f87;
/* rgb */ color: rgb(87, 127, 135);
/* oklch */ color: oklch(57.0% 0.046 211.4);

Tailwind

colors: {
  custom: {
    50: '#88a4aa',
    500: '#577f87',
    950: '#000000',
  },
}

SCSS

$custom: #577f87;
$custom-light: #88a4aa;
$custom-dark: #000000;

JSON

{
  "hex": "#577f87",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 135
  },
  "hsl": {
    "h": 190,
    "s": 21.622,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56989,
    "c": 0.04608,
    "h": 211.4
  },
  "luminance": 0.18954
}

Semantic roles & 50–950 ramp

primary

#577F87

secondary

#AC938E

accent

#786ABE

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #577F87

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

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