#577F8F#577F8F

#577F8F is a mid, muted cyan. Relative luminance 0.192; OKLCH L 57.3% C 0.051 H 224.9°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#577F8F
RGB	rgb(87, 127, 143)
HSL	hsl(197, 24%, 45%)
HSV	hsv(197, 39%, 56%)
CMYK	cmyk(39.2%, 11.2%, 0%, 43.9%)
CIE-LAB	lab(50.91, -9.60, -13.05)
CIE-LCH	lch(50.91, 16.20, 233.68°)
OKLab	oklab(57.3% -0.036 -0.0359)
OKLCH	oklch(57.3% 0.051 224.9)
XYZ	xyz(16.4761, 19.1871, 28.8166)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F8F #8F6757

analogous

#578F83 #577F8F #57638F

triadic

#577F8F #8F577F #7F8F57

tetradic

#577F8F #83578F #8F6757 #638F57

square

#577F8F #83578F #8F6757 #638F57

split-complementary

#577F8F #8F5763 #8F8357

monochromatic

#293B43 #405D69 #577F8F #779DAC #9DB8C3

Accessibility & contrast

On white

4.34

#577F8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#577F8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F8F

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F8F	#FFFFFF	#000000	##000000
##577F8F	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#767D90

Deuteranopia (green-blind)

#6E768F

Tritanopia (blue-blind)

#428484

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577f8f;
/* rgb */ color: rgb(87, 127, 143);
/* oklch */ color: oklch(57.3% 0.051 224.9);

Tailwind

colors: {
  custom: {
    50: '#89a4af',
    500: '#577f8f',
    950: '#000000',
  },
}

SCSS

$custom: #577f8f;
$custom-light: #89a4af;
$custom-dark: #000000;

JSON

{
  "hex": "#577f8f",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 143
  },
  "hsl": {
    "h": 197.143,
    "s": 24.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57297,
    "c": 0.05082,
    "h": 224.9
  },
  "luminance": 0.19188
}

Semantic roles & 50–950 ramp

primary

#577F8F

secondary

#B19A91

accent

#8167C1

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0C0F10

muted

#7D7F7F

Preview Lab

Preview with #577F8F

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

Preview Lab → · Contrast checker → · Palette generator →