#577E89#577E89

#577E89 is a mid, muted cyan. Relative luminance 0.188; OKLCH L 56.8% C 0.047 H 217.3°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#577E89
RGB	rgb(87, 126, 137)
HSL	hsl(193, 22%, 44%)
HSV	hsv(193, 36%, 54%)
CMYK	cmyk(36.5%, 8%, 0%, 46.3%)
CIE-LAB	lab(50.40, -10.66, -10.30)
CIE-LCH	lch(50.40, 14.83, 224.02°)
OKLab	oklab(56.82% -0.0371 -0.0282)
OKLCH	oklch(56.82% 0.047 217.3)
XYZ	xyz(15.9052, 18.7532, 26.4437)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E89 #896257

analogous

#57897B #577E89 #576589

triadic

#577E89 #89577E #7E8957

tetradic

#577E89 #7B5789 #896257 #658957

square

#577E89 #7B5789 #896257 #658957

split-complementary

#577E89 #895765 #897B57

monochromatic

#27393E #3F5C64 #577E89 #769DA8 #9BB7BF

Accessibility & contrast

On white

4.42

#577E89 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#577E89 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E89

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E89	#FFFFFF	#000000	##000000
##577E89	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777B8A

Deuteranopia (green-blind)

#6F7589

Tritanopia (blue-blind)

#458281

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577e89;
/* rgb */ color: rgb(87, 126, 137);
/* oklch */ color: oklch(56.8% 0.047 217.3);

Tailwind

colors: {
  custom: {
    50: '#88a3ab',
    500: '#577e89',
    950: '#000000',
  },
}

SCSS

$custom: #577e89;
$custom-light: #88a3ab;
$custom-dark: #000000;

JSON

{
  "hex": "#577e89",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 137
  },
  "hsl": {
    "h": 193.2,
    "s": 22.321,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56824,
    "c": 0.04664,
    "h": 217.3
  },
  "luminance": 0.18754
}

Semantic roles & 50–950 ramp

primary

#577E89

secondary

#AD958F

accent

#7C69BF

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0B0F10

muted

#7C7F7F

Preview Lab

Preview with #577E89

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

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