#577B89#577B89

#577B89 is a mid, muted cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.046 H 224.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#577B89
RGB	rgb(87, 123, 137)
HSL	hsl(197, 22%, 44%)
HSV	hsv(197, 36%, 54%)
CMYK	cmyk(36.5%, 10.2%, 0%, 46.3%)
CIE-LAB	lab(49.49, -8.97, -11.66)
CIE-LCH	lch(49.49, 14.71, 232.45°)
OKLab	oklab(56.11% -0.0331 -0.032)
OKLCH	oklch(56.11% 0.046 224.1)
XYZ	xyz(15.5273, 17.9974, 26.3177)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B89 #896557

analogous

#57897E #577B89 #576289

triadic

#577B89 #89577B #7B8957

tetradic

#577B89 #7E5789 #896557 #628957

square

#577B89 #7E5789 #896557 #628957

split-complementary

#577B89 #895762 #897E57

monochromatic

#27383E #3F5964 #577B89 #769AA8 #9BB5BF

Accessibility & contrast

On white

4.57

#577B89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#577B89 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577B89

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B89	#FFFFFF	#000000	##000000
##577B89	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#73798A

Deuteranopia (green-blind)

#6B7389

Tritanopia (blue-blind)

#457F7F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577b89;
/* rgb */ color: rgb(87, 123, 137);
/* oklch */ color: oklch(56.1% 0.046 224.1);

Tailwind

colors: {
  custom: {
    50: '#88a1ab',
    500: '#577b89',
    950: '#000000',
  },
}

SCSS

$custom: #577b89;
$custom-light: #88a1ab;
$custom-dark: #000000;

JSON

{
  "hex": "#577b89",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 137
  },
  "hsl": {
    "h": 196.8,
    "s": 22.321,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56106,
    "c": 0.046,
    "h": 224.1
  },
  "luminance": 0.17998
}

Semantic roles & 50–950 ramp

primary

#577B89

secondary

#AD978F

accent

#8169BF

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #577B89

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

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