#577C8F#577C8F

#577C8F is a mid, muted cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.051 H 231.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#577C8F
RGB	rgb(87, 124, 143)
HSL	hsl(200, 24%, 45%)
HSV	hsv(200, 39%, 56%)
CMYK	cmyk(39.2%, 13.3%, 0%, 43.9%)
CIE-LAB	lab(50.01, -7.89, -14.41)
CIE-LCH	lch(50.01, 16.43, 241.30°)
OKLab	oklab(56.58% -0.032 -0.0397)
OKLCH	oklch(56.58% 0.051 231.1)
XYZ	xyz(16.0944, 18.4238, 28.6894)
Luminance	0.1842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C8F #8F6A57

analogous

#578F86 #577C8F #57608F

triadic

#577C8F #8F577C #7C8F57

tetradic

#577C8F #86578F #8F6A57 #608F57

square

#577C8F #86578F #8F6A57 #608F57

split-complementary

#577C8F #8F5760 #8F8657

monochromatic

#293A43 #405B69 #577C8F #779AAC #9DB6C3

Accessibility & contrast

On white

4.48

#577C8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#577C8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C8F

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C8F	#FFFFFF	#000000	##000000
##577C8F	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737B90

Deuteranopia (green-blind)

#6B748F

Tritanopia (blue-blind)

#428182

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577c8f;
/* rgb */ color: rgb(87, 124, 143);
/* oklch */ color: oklch(56.6% 0.051 231.1);

Tailwind

colors: {
  custom: {
    50: '#89a1af',
    500: '#577c8f',
    950: '#000000',
  },
}

SCSS

$custom: #577c8f;
$custom-light: #89a1af;
$custom-dark: #000000;

JSON

{
  "hex": "#577c8f",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 143
  },
  "hsl": {
    "h": 200.357,
    "s": 24.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56583,
    "c": 0.05096,
    "h": 231.1
  },
  "luminance": 0.18425
}

Semantic roles & 50–950 ramp

primary

#577C8F

secondary

#B19C91

accent

#8567C1

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0F10

muted

#7D7E7F

Preview Lab

Preview with #577C8F

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

Preview Lab → · Contrast checker → · Palette generator →