#577CAA#577CAA

#577CAA is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.083 H 254.4°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#577CAA
RGB	rgb(87, 124, 170)
HSL	hsl(213, 33%, 50%)
HSV	hsv(213, 49%, 67%)
CMYK	cmyk(48.8%, 27.1%, 0%, 33.3%)
CIE-LAB	lab(51.09, 0.04, -28.51)
CIE-LCH	lch(51.09, 28.51, 270.07°)
OKLab	oklab(57.79% -0.0223 -0.0797)
OKLCH	oklch(57.79% 0.083 254.4)
XYZ	xyz(18.3914, 19.3425, 40.7868)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577CAA #AA8557

analogous

#57A5AA #577CAA #5B57AA

triadic

#577CAA #AA577C #7CAA57

tetradic

#577CAA #AA57A5 #AA8557 #57AA5B

square

#577CAA #AA57A5 #AA8557 #57AA5B

split-complementary

#577CAA #AA5B57 #A5AA57

monochromatic

#2D4159 #425E82 #577CAA #809CBF #A8BBD3

Accessibility & contrast

On white

4.31

#577CAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#577CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CAA

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577CAA	#FFFFFF	#000000	##000000
##577CAA	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7EAC

Deuteranopia (green-blind)

#6076A9

Tritanopia (blue-blind)

#32868C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577caa;
/* rgb */ color: rgb(87, 124, 170);
/* oklch */ color: oklch(57.8% 0.083 254.4);

Tailwind

colors: {
  custom: {
    50: '#8ba1c3',
    500: '#577caa',
    950: '#000000',
  },
}

SCSS

$custom: #577caa;
$custom-light: #8ba1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#577caa",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 170
  },
  "hsl": {
    "h": 213.253,
    "s": 32.806,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57791,
    "c": 0.08279,
    "h": 254.4
  },
  "luminance": 0.19344
}

Semantic roles & 50–950 ramp

primary

#577CAA

secondary

#C1B09C

accent

#9A5FC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577CAA

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

Preview Lab → · Contrast checker → · Palette generator →