#577681#577681

#577681 is a mid, muted cyan. Relative luminance 0.166; OKLCH L 54.6% C 0.039 H 221.8°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#577681
RGB	rgb(87, 118, 129)
HSL	hsl(196, 19%, 42%)
HSV	hsv(196, 33%, 51%)
CMYK	cmyk(32.6%, 8.5%, 0%, 49.4%)
CIE-LAB	lab(47.71, -8.25, -9.62)
CIE-LCH	lch(47.71, 12.67, 229.39°)
OKLab	oklab(54.6% -0.0294 -0.0263)
OKLCH	oklch(54.6% 0.039 221.8)
XYZ	xyz(14.3701, 16.5674, 23.2053)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577681 #816257

analogous

#578177 #577681 #576181

triadic

#577681 #815776 #768157

tetradic

#577681 #775781 #816257 #618157

square

#577681 #775781 #816257 #618157

split-complementary

#577681 #815761 #817757

monochromatic

#263338 #3E555C #577681 #7495A1 #99B1BA

Accessibility & contrast

On white

4.87

#577681 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#577681 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577681

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577681	#FFFFFF	#000000	##FFFFFF
##577681	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7482

Deuteranopia (green-blind)

#696F81

Tritanopia (blue-blind)

#497A79

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577681;
/* rgb */ color: rgb(87, 118, 129);
/* oklch */ color: oklch(54.6% 0.039 221.8);

Tailwind

colors: {
  custom: {
    50: '#889da5',
    500: '#577681',
    950: '#000000',
  },
}

SCSS

$custom: #577681;
$custom-light: #889da5;
$custom-dark: #000000;

JSON

{
  "hex": "#577681",
  "rgb": {
    "r": 87,
    "g": 118,
    "b": 129
  },
  "hsl": {
    "h": 195.714,
    "s": 19.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.546,
    "c": 0.03948,
    "h": 221.8
  },
  "luminance": 0.16568
}

Semantic roles & 50–950 ramp

primary

#577681

secondary

#A8938C

accent

#816CBC

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E0F

muted

#7C7E7F

Preview Lab

Preview with #577681

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

Preview Lab → · Contrast checker → · Palette generator →