#577781#577781

#577781 is a mid, muted cyan. Relative luminance 0.168; OKLCH L 54.8% C 0.040 H 219.1°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#577781
RGB	rgb(87, 119, 129)
HSL	hsl(194, 19%, 42%)
HSV	hsv(194, 33%, 51%)
CMYK	cmyk(32.6%, 7.8%, 0%, 49.4%)
CIE-LAB	lab(48.01, -8.82, -9.17)
CIE-LCH	lch(48.01, 12.72, 226.10°)
OKLab	oklab(54.84% -0.0308 -0.0251)
OKLCH	oklch(54.84% 0.04 219.1)
XYZ	xyz(14.4885, 16.8041, 23.2447)
Luminance	0.1681 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577781 #816157

analogous

#578176 #577781 #576281

triadic

#577781 #815777 #778157

tetradic

#577781 #765781 #816157 #628157

square

#577781 #765781 #816157 #628157

split-complementary

#577781 #815762 #817657

monochromatic

#263438 #3E555C #577781 #7496A1 #99B2BA

Accessibility & contrast

On white

4.82

#577781 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#577781 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577781

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577781	#FFFFFF	#000000	##FFFFFF
##577781	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717582

Deuteranopia (green-blind)

#6A7081

Tritanopia (blue-blind)

#497B7A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #577781;
/* rgb */ color: rgb(87, 119, 129);
/* oklch */ color: oklch(54.8% 0.040 219.1);

Tailwind

colors: {
  custom: {
    50: '#889ea5',
    500: '#577781',
    950: '#000000',
  },
}

SCSS

$custom: #577781;
$custom-light: #889ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#577781",
  "rgb": {
    "r": 87,
    "g": 119,
    "b": 129
  },
  "hsl": {
    "h": 194.286,
    "s": 19.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.5484,
    "c": 0.03975,
    "h": 219.1
  },
  "luminance": 0.16805
}

Semantic roles & 50–950 ramp

primary

#577781

secondary

#A8938C

accent

#7F6CBC

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E0F

muted

#7C7E7F

Preview Lab

Preview with #577781

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

Preview Lab → · Contrast checker → · Palette generator →