#577399#577399

#577399 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.9% C 0.068 H 256.2°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#577399
RGB	rgb(87, 115, 153)
HSL	hsl(215, 28%, 47%)
HSV	hsv(215, 43%, 60%)
CMYK	cmyk(43.1%, 24.8%, 0%, 40%)
CIE-LAB	lab(47.73, 0.26, -23.77)
CIE-LCH	lch(47.73, 23.77, 270.61°)
OKLab	oklab(54.92% -0.0162 -0.0661)
OKLCH	oklch(54.92% 0.068 256.2)
XYZ	xyz(15.8091, 16.5867, 32.4993)
Luminance	0.1659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577399 #997D57

analogous

#579499 #577399 #5C5799

triadic

#577399 #995773 #739957

tetradic

#577399 #995794 #997D57 #57995C

square

#577399 #995794 #997D57 #57995C

split-complementary

#577399 #995C57 #949957

monochromatic

#2B384B #415672 #577399 #7A92B3 #A1B2C9

Accessibility & contrast

On white

4.86

#577399 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#577399 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577399

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577399	#FFFFFF	#000000	##FFFFFF
##577399	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65759B

Deuteranopia (green-blind)

#5D6E98

Tritanopia (blue-blind)

#3F7B80

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577399;
/* rgb */ color: rgb(87, 115, 153);
/* oklch */ color: oklch(54.9% 0.068 256.2);

Tailwind

colors: {
  custom: {
    50: '#899bb7',
    500: '#577399',
    950: '#000000',
  },
}

SCSS

$custom: #577399;
$custom-light: #899bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#577399",
  "rgb": {
    "r": 87,
    "g": 115,
    "b": 153
  },
  "hsl": {
    "h": 214.545,
    "s": 27.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54923,
    "c": 0.06812,
    "h": 256.2
  },
  "luminance": 0.16588
}

Semantic roles & 50–950 ramp

primary

#577399

secondary

#B7A895

accent

#9B64C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577399

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

Preview Lab → · Contrast checker → · Palette generator →