#577C8A#577C8A

#577C8A is a mid, muted cyan. Relative luminance 0.183; OKLCH L 56.4% C 0.047 H 223.5°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#577C8A
RGB	rgb(87, 124, 138)
HSL	hsl(196, 23%, 44%)
HSV	hsv(196, 37%, 54%)
CMYK	cmyk(37%, 10.1%, 0%, 45.9%)
CIE-LAB	lab(49.83, -9.26, -11.75)
CIE-LCH	lch(49.83, 14.96, 231.74°)
OKLab	oklab(56.38% -0.034 -0.0322)
OKLCH	oklch(56.38% 0.047 223.5)
XYZ	xyz(15.7240, 18.2756, 26.7388)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C8A #8A6557

analogous

#578A7F #577C8A #57638A

triadic

#577C8A #8A577C #7C8A57

tetradic

#577C8A #7F578A #8A6557 #638A57

square

#577C8A #7F578A #8A6557 #638A57

split-complementary

#577C8A #8A5763 #8A7F57

monochromatic

#28393F #3F5A64 #577C8A #769BA8 #9BB6C0

Accessibility & contrast

On white

4.51

#577C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#577C8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C8A

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C8A	#FFFFFF	#000000	##000000
##577C8A	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8B

Deuteranopia (green-blind)

#6C748A

Tritanopia (blue-blind)

#458080

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577c8a;
/* rgb */ color: rgb(87, 124, 138);
/* oklch */ color: oklch(56.4% 0.047 223.5);

Tailwind

colors: {
  custom: {
    50: '#88a2ac',
    500: '#577c8a',
    950: '#000000',
  },
}

SCSS

$custom: #577c8a;
$custom-light: #88a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#577c8a",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 138
  },
  "hsl": {
    "h": 196.471,
    "s": 22.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56384,
    "c": 0.04685,
    "h": 223.5
  },
  "luminance": 0.18277
}

Semantic roles & 50–950 ramp

primary

#577C8A

secondary

#AE978F

accent

#8069BF

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0F10

muted

#7C7E7F

Preview Lab

Preview with #577C8A

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

Preview Lab → · Contrast checker → · Palette generator →