#577CA1#577CA1

#577CA1 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.071 H 249.2°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#577CA1
RGB	rgb(87, 124, 161)
HSL	hsl(210, 30%, 49%)
HSV	hsv(210, 46%, 63%)
CMYK	cmyk(46%, 23%, 0%, 36.9%)
CIE-LAB	lab(50.70, -2.69, -23.87)
CIE-LCH	lch(50.70, 24.02, 263.57°)
OKLab	oklab(57.36% -0.0253 -0.0664)
OKLCH	oklch(57.36% 0.071 249.2)
XYZ	xyz(17.5690, 19.0136, 36.4555)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577CA1 #A17C57

analogous

#57A1A1 #577CA1 #5757A1

triadic

#577CA1 #A1577C #7CA157

tetradic

#577CA1 #A157A1 #A17C57 #57A157

square

#577CA1 #A157A1 #A17C57 #57A157

split-complementary

#577CA1 #A15757 #A1A157

monochromatic

#2C3F52 #425D79 #577CA1 #7D9BB9 #A4B9CE

Accessibility & contrast

On white

4.37

#577CA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#577CA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CA1

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577CA1	#FFFFFF	#000000	##000000
##577CA1	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA3

Deuteranopia (green-blind)

#6475A0

Tritanopia (blue-blind)

#398588

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577ca1;
/* rgb */ color: rgb(87, 124, 161);
/* oklch */ color: oklch(57.4% 0.071 249.2);

Tailwind

colors: {
  custom: {
    50: '#8aa1bd',
    500: '#577ca1',
    950: '#000000',
  },
}

SCSS

$custom: #577ca1;
$custom-light: #8aa1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#577ca1",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 161
  },
  "hsl": {
    "h": 210,
    "s": 29.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57364,
    "c": 0.07108,
    "h": 249.2
  },
  "luminance": 0.19015
}

Semantic roles & 50–950 ramp

primary

#577CA1

secondary

#BCAA98

accent

#9462C6

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577CA1

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

Preview Lab → · Contrast checker → · Palette generator →