#577B84#577B84

#577B84 is a mid, muted cyan. Relative luminance 0.179; OKLCH L 55.9% C 0.043 H 214.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#577B84
RGB	rgb(87, 123, 132)
HSL	hsl(192, 21%, 43%)
HSV	hsv(192, 34%, 52%)
CMYK	cmyk(34.1%, 6.8%, 0%, 48.2%)
CIE-LAB	lab(49.32, -10.30, -8.98)
CIE-LCH	lch(49.32, 13.66, 221.06°)
OKLab	oklab(55.91% -0.0351 -0.0245)
OKLCH	oklch(55.91% 0.043 214.9)
XYZ	xyz(15.1769, 17.8573, 24.4724)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B84 #846057

analogous

#578476 #577B84 #576484

triadic

#577B84 #84577B #7B8457

tetradic

#577B84 #765784 #846057 #648457

square

#577B84 #765784 #846057 #648457

split-complementary

#577B84 #845764 #847657

monochromatic

#26363A #3F595F #577B84 #749AA4 #99B5BC

Accessibility & contrast

On white

4.59

#577B84 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#577B84 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577B84

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B84	#FFFFFF	#000000	##FFFFFF
##577B84	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747985

Deuteranopia (green-blind)

#6D7384

Tritanopia (blue-blind)

#477F7E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577b84;
/* rgb */ color: rgb(87, 123, 132);
/* oklch */ color: oklch(55.9% 0.043 214.9);

Tailwind

colors: {
  custom: {
    50: '#88a1a7',
    500: '#577b84',
    950: '#000000',
  },
}

SCSS

$custom: #577b84;
$custom-light: #88a1a7;
$custom-dark: #000000;

JSON

{
  "hex": "#577b84",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 132
  },
  "hsl": {
    "h": 192,
    "s": 20.548,
    "l": 42.941
  },
  "oklch": {
    "l": 0.55914,
    "c": 0.04286,
    "h": 214.9
  },
  "luminance": 0.17858
}

Semantic roles & 50–950 ramp

primary

#577B84

secondary

#AA938D

accent

#7B6BBD

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F0F

muted

#7C7E7F

Preview Lab

Preview with #577B84

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

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