#577A89#577A89

#577A89 is a mid, muted cyan. Relative luminance 0.178; OKLCH L 55.9% C 0.046 H 226.4°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#577A89
RGB	rgb(87, 122, 137)
HSL	hsl(198, 22%, 44%)
HSV	hsv(198, 36%, 54%)
CMYK	cmyk(36.5%, 10.9%, 0%, 46.3%)
CIE-LAB	lab(49.19, -8.40, -12.12)
CIE-LCH	lch(49.19, 14.74, 235.28°)
OKLab	oklab(55.87% -0.0317 -0.0332)
OKLCH	oklch(55.87% 0.046 226.4)
XYZ	xyz(15.4039, 17.7506, 26.2766)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A89 #896657

analogous

#57897F #577A89 #576189

triadic

#577A89 #89577A #7A8957

tetradic

#577A89 #7F5789 #896657 #618957

square

#577A89 #7F5789 #896657 #618957

split-complementary

#577A89 #895761 #897F57

monochromatic

#27373E #3F5964 #577A89 #7699A8 #9BB5BF

Accessibility & contrast

On white

4.62

#577A89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#577A89 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577A89

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A89	#FFFFFF	#000000	##FFFFFF
##577A89	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72788A

Deuteranopia (green-blind)

#6A7289

Tritanopia (blue-blind)

#457F7F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577a89;
/* rgb */ color: rgb(87, 122, 137);
/* oklch */ color: oklch(55.9% 0.046 226.4);

Tailwind

colors: {
  custom: {
    50: '#88a0ab',
    500: '#577a89',
    950: '#000000',
  },
}

SCSS

$custom: #577a89;
$custom-light: #88a0ab;
$custom-dark: #000000;

JSON

{
  "hex": "#577a89",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 137
  },
  "hsl": {
    "h": 198,
    "s": 22.321,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55867,
    "c": 0.04593,
    "h": 226.4
  },
  "luminance": 0.17751
}

Semantic roles & 50–950 ramp

primary

#577A89

secondary

#AD988F

accent

#8369BF

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #577A89

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

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