#577981#577981

#577981 is a mid, muted cyan. Relative luminance 0.173; OKLCH L 55.3% C 0.041 H 213.9°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#577981
RGB	rgb(87, 121, 129)
HSL	hsl(191, 19%, 42%)
HSV	hsv(191, 33%, 51%)
CMYK	cmyk(32.6%, 6.2%, 0%, 49.4%)
CIE-LAB	lab(48.62, -9.96, -8.26)
CIE-LCH	lch(48.62, 12.94, 219.67°)
OKLab	oklab(55.32% -0.0336 -0.0226)
OKLCH	oklch(55.32% 0.041 213.9)
XYZ	xyz(14.7290, 17.2852, 23.3249)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577981 #815F57

analogous

#578174 #577981 #576481

triadic

#577981 #815779 #798157

tetradic

#577981 #745781 #815F57 #648157

square

#577981 #745781 #815F57 #648157

split-complementary

#577981 #815764 #817457

monochromatic

#263438 #3E575C #577981 #7499A1 #99B4BA

Accessibility & contrast

On white

4.71

#577981 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#577981 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577981

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577981	#FFFFFF	#000000	##FFFFFF
##577981	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737781

Deuteranopia (green-blind)

#6C7181

Tritanopia (blue-blind)

#497C7B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577981;
/* rgb */ color: rgb(87, 121, 129);
/* oklch */ color: oklch(55.3% 0.041 213.9);

Tailwind

colors: {
  custom: {
    50: '#889fa5',
    500: '#577981',
    950: '#000000',
  },
}

SCSS

$custom: #577981;
$custom-light: #889fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#577981",
  "rgb": {
    "r": 87,
    "g": 121,
    "b": 129
  },
  "hsl": {
    "h": 191.429,
    "s": 19.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.5532,
    "c": 0.04051,
    "h": 213.9
  },
  "luminance": 0.17286
}

Semantic roles & 50–950 ramp

primary

#577981

secondary

#A8918C

accent

#7B6CBC

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E0F

muted

#7C7E7F

Preview Lab

Preview with #577981

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

Preview Lab → · Contrast checker → · Palette generator →