#577C84#577C84

#577C84 is a mid, muted cyan. Relative luminance 0.181; OKLCH L 56.2% C 0.043 H 212.6°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#577C84
RGB	rgb(87, 124, 132)
HSL	hsl(191, 21%, 43%)
HSV	hsv(191, 34%, 52%)
CMYK	cmyk(34.1%, 6.1%, 0%, 48.2%)
CIE-LAB	lab(49.63, -10.87, -8.52)
CIE-LCH	lch(49.63, 13.81, 218.11°)
OKLab	oklab(56.16% -0.0365 -0.0233)
OKLCH	oklch(56.16% 0.043 212.6)
XYZ	xyz(15.3016, 18.1066, 24.5140)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C84 #845F57

analogous

#578475 #577C84 #576584

triadic

#577C84 #84577C #7C8457

tetradic

#577C84 #755784 #845F57 #658457

square

#577C84 #755784 #845F57 #658457

split-complementary

#577C84 #845765 #847557

monochromatic

#26373A #3F595F #577C84 #749BA4 #99B6BC

Accessibility & contrast

On white

4.54

#577C84 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#577C84 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C84

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C84	#FFFFFF	#000000	##000000
##577C84	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757985

Deuteranopia (green-blind)

#6E7484

Tritanopia (blue-blind)

#47807E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577c84;
/* rgb */ color: rgb(87, 124, 132);
/* oklch */ color: oklch(56.2% 0.043 212.6);

Tailwind

colors: {
  custom: {
    50: '#88a2a7',
    500: '#577c84',
    950: '#000000',
  },
}

SCSS

$custom: #577c84;
$custom-light: #88a2a7;
$custom-dark: #000000;

JSON

{
  "hex": "#577c84",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 132
  },
  "hsl": {
    "h": 190.667,
    "s": 20.548,
    "l": 42.941
  },
  "oklch": {
    "l": 0.56155,
    "c": 0.04332,
    "h": 212.6
  },
  "luminance": 0.18107
}

Semantic roles & 50–950 ramp

primary

#577C84

secondary

#AA928D

accent

#796BBD

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F0F

muted

#7C7E7F

Preview Lab

Preview with #577C84

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

Preview Lab → · Contrast checker → · Palette generator →