#577DAA#577DAA

#577DAA is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.082 H 253.3°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#577DAA
RGB	rgb(87, 125, 170)
HSL	hsl(213, 33%, 50%)
HSV	hsv(213, 49%, 67%)
CMYK	cmyk(48.8%, 26.5%, 0%, 33.3%)
CIE-LAB	lab(51.38, -0.56, -28.06)
CIE-LCH	lch(51.38, 28.06, 268.87°)
OKLab	oklab(58.02% -0.0236 -0.0784)
OKLCH	oklch(58.02% 0.082 253.3)
XYZ	xyz(18.5173, 19.5945, 40.8288)
Luminance	0.1960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DAA #AA8457

analogous

#57A6AA #577DAA #5A57AA

triadic

#577DAA #AA577D #7DAA57

tetradic

#577DAA #AA57A6 #AA8457 #57AA5A

square

#577DAA #AA57A6 #AA8457 #57AA5A

split-complementary

#577DAA #AA5A57 #A6AA57

monochromatic

#2D4159 #425F82 #577DAA #809CBF #A8BCD3

Accessibility & contrast

On white

4.27

#577DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#577DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DAA

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DAA	#FFFFFF	#000000	##000000
##577DAA	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7FAC

Deuteranopia (green-blind)

#6177A9

Tritanopia (blue-blind)

#32878D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577daa;
/* rgb */ color: rgb(87, 125, 170);
/* oklch */ color: oklch(58.0% 0.082 253.3);

Tailwind

colors: {
  custom: {
    50: '#8ba2c3',
    500: '#577daa',
    950: '#000000',
  },
}

SCSS

$custom: #577daa;
$custom-light: #8ba2c3;
$custom-dark: #000000;

JSON

{
  "hex": "#577daa",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 170
  },
  "hsl": {
    "h": 212.53,
    "s": 32.806,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58018,
    "c": 0.08189,
    "h": 253.3
  },
  "luminance": 0.19596
}

Semantic roles & 50–950 ramp

primary

#577DAA

secondary

#C1B09C

accent

#985FC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577DAA

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

Preview Lab → · Contrast checker → · Palette generator →