#577A88#577A88

#577A88 is a mid, muted cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.045 H 224.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#577A88
RGB	rgb(87, 122, 136)
HSL	hsl(197, 22%, 44%)
HSV	hsv(197, 36%, 53%)
CMYK	cmyk(36%, 10.3%, 0%, 46.7%)
CIE-LAB	lab(49.16, -8.67, -11.58)
CIE-LCH	lch(49.16, 14.47, 233.19°)
OKLab	oklab(55.83% -0.0321 -0.0318)
OKLCH	oklch(55.83% 0.045 224.7)
XYZ	xyz(15.3325, 17.7220, 25.9006)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A88 #886557

analogous

#57887D #577A88 #576188

triadic

#577A88 #88577A #7A8857

tetradic

#577A88 #7D5788 #886557 #618857

square

#577A88 #7D5788 #886557 #618857

split-complementary

#577A88 #885761 #887D57

monochromatic

#27373D #3F5963 #577A88 #7599A7 #9BB4BF

Accessibility & contrast

On white

4.62

#577A88 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#577A88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577A88

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A88	#FFFFFF	#000000	##FFFFFF
##577A88	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727889

Deuteranopia (green-blind)

#6B7288

Tritanopia (blue-blind)

#467E7E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577a88;
/* rgb */ color: rgb(87, 122, 136);
/* oklch */ color: oklch(55.8% 0.045 224.7);

Tailwind

colors: {
  custom: {
    50: '#88a0aa',
    500: '#577a88',
    950: '#000000',
  },
}

SCSS

$custom: #577a88;
$custom-light: #88a0aa;
$custom-dark: #000000;

JSON

{
  "hex": "#577a88",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 136
  },
  "hsl": {
    "h": 197.143,
    "s": 21.973,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55828,
    "c": 0.04515,
    "h": 224.7
  },
  "luminance": 0.17723
}

Semantic roles & 50–950 ramp

primary

#577A88

secondary

#AC978E

accent

#8269BE

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #577A88

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

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