#577A87#577A87

#577A87 is a mid, muted cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.044 H 223.0°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#577A87
RGB	rgb(87, 122, 135)
HSL	hsl(196, 22%, 44%)
HSV	hsv(196, 36%, 53%)
CMYK	cmyk(35.6%, 9.6%, 0%, 47.1%)
CIE-LAB	lab(49.12, -8.94, -11.04)
CIE-LCH	lch(49.12, 14.21, 231.02°)
OKLab	oklab(55.79% -0.0325 -0.0303)
OKLCH	oklch(55.79% 0.044 223)
XYZ	xyz(15.2617, 17.6937, 25.5280)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A87 #876457

analogous

#57877C #577A87 #576287

triadic

#577A87 #87577A #7A8757

tetradic

#577A87 #7C5787 #876457 #628757

square

#577A87 #7C5787 #876457 #628757

split-complementary

#577A87 #875762 #877C57

monochromatic

#27373D #3F5862 #577A87 #7599A6 #9AB4BE

Accessibility & contrast

On white

4.63

#577A87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#577A87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577A87

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A87	#FFFFFF	#000000	##FFFFFF
##577A87	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727888

Deuteranopia (green-blind)

#6B7287

Tritanopia (blue-blind)

#467E7E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577a87;
/* rgb */ color: rgb(87, 122, 135);
/* oklch */ color: oklch(55.8% 0.044 223.0);

Tailwind

colors: {
  custom: {
    50: '#88a0aa',
    500: '#577a87',
    950: '#000000',
  },
}

SCSS

$custom: #577a87;
$custom-light: #88a0aa;
$custom-dark: #000000;

JSON

{
  "hex": "#577a87",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 135
  },
  "hsl": {
    "h": 196.25,
    "s": 21.622,
    "l": 43.529
  },
  "oklch": {
    "l": 0.55789,
    "c": 0.04441,
    "h": 223
  },
  "luminance": 0.17695
}

Semantic roles & 50–950 ramp

primary

#577A87

secondary

#AC968E

accent

#816ABE

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #577A87

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

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