#577583#577583

#577583 is a mid, muted cyan. Relative luminance 0.164; OKLCH L 54.4% C 0.041 H 228.3°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#577583
RGB	rgb(87, 117, 131)
HSL	hsl(199, 20%, 43%)
HSV	hsv(199, 34%, 51%)
CMYK	cmyk(33.6%, 10.7%, 0%, 48.6%)
CIE-LAB	lab(47.48, -7.14, -11.16)
CIE-LCH	lch(47.48, 13.25, 237.37°)
OKLab	oklab(54.44% -0.0272 -0.0305)
OKLCH	oklch(54.44% 0.041 228.3)
XYZ	xyz(14.3872, 16.3868, 23.8732)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577583 #836557

analogous

#57837B #577583 #575F83

triadic

#577583 #835775 #758357

tetradic

#577583 #7B5783 #836557 #5F8357

square

#577583 #7B5783 #836557 #5F8357

split-complementary

#577583 #83575F #837B57

monochromatic

#263339 #3F545E #577583 #7494A3 #99B0BB

Accessibility & contrast

On white

4.91

#577583 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#577583 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577583

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577583	#FFFFFF	#000000	##FFFFFF
##577583	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7484

Deuteranopia (green-blind)

#676E83

Tritanopia (blue-blind)

#487979

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577583;
/* rgb */ color: rgb(87, 117, 131);
/* oklch */ color: oklch(54.4% 0.041 228.3);

Tailwind

colors: {
  custom: {
    50: '#889ca7',
    500: '#577583',
    950: '#000000',
  },
}

SCSS

$custom: #577583;
$custom-light: #889ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#577583",
  "rgb": {
    "r": 87,
    "g": 117,
    "b": 131
  },
  "hsl": {
    "h": 199.091,
    "s": 20.183,
    "l": 42.745
  },
  "oklch": {
    "l": 0.54439,
    "c": 0.04091,
    "h": 228.3
  },
  "luminance": 0.16388
}

Semantic roles & 50–950 ramp

primary

#577583

secondary

#A9968D

accent

#856BBD

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E0F

muted

#7C7E7F

Preview Lab

Preview with #577583

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

Preview Lab → · Contrast checker → · Palette generator →