#577D8D#577D8D

#577D8D is a mid, muted cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.049 H 226.1°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#577D8D
RGB	rgb(87, 125, 141)
HSL	hsl(198, 24%, 45%)
HSV	hsv(198, 38%, 55%)
CMYK	cmyk(38.3%, 11.3%, 0%, 44.7%)
CIE-LAB	lab(50.23, -9.01, -12.90)
CIE-LCH	lch(50.23, 15.73, 235.05°)
OKLab	oklab(56.74% -0.0341 -0.0354)
OKLCH	oklch(56.74% 0.049 226.1)
XYZ	xyz(16.0702, 18.6156, 27.9405)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D8D #8D6757

analogous

#578D82 #577D8D #57628D

triadic

#577D8D #8D577D #7D8D57

tetradic

#577D8D #82578D #8D6757 #628D57

square

#577D8D #82578D #8D6757 #628D57

split-complementary

#577D8D #8D5762 #8D8257

monochromatic

#283A41 #405B67 #577D8D #769BAB #9CB7C2

Accessibility & contrast

On white

4.45

#577D8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#577D8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D8D

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D8D	#FFFFFF	#000000	##000000
##577D8D	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747B8E

Deuteranopia (green-blind)

#6C758D

Tritanopia (blue-blind)

#438282

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577d8d;
/* rgb */ color: rgb(87, 125, 141);
/* oklch */ color: oklch(56.7% 0.049 226.1);

Tailwind

colors: {
  custom: {
    50: '#88a2ae',
    500: '#577d8d',
    950: '#000000',
  },
}

SCSS

$custom: #577d8d;
$custom-light: #88a2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#577d8d",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 141
  },
  "hsl": {
    "h": 197.778,
    "s": 23.684,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56741,
    "c": 0.04919,
    "h": 226.1
  },
  "luminance": 0.18617
}

Semantic roles & 50–950 ramp

primary

#577D8D

secondary

#B09990

accent

#8268C0

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0C0F10

muted

#7D7F7F

Preview Lab

Preview with #577D8D

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

Preview Lab → · Contrast checker → · Palette generator →