#577DA1#577DA1

#577DA1 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.070 H 247.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#577DA1
RGB	rgb(87, 125, 161)
HSL	hsl(209, 30%, 49%)
HSV	hsv(209, 46%, 63%)
CMYK	cmyk(46%, 22.4%, 0%, 36.9%)
CIE-LAB	lab(51.00, -3.28, -23.42)
CIE-LCH	lch(51.00, 23.65, 262.03°)
OKLab	oklab(57.6% -0.0266 -0.0651)
OKLCH	oklch(57.6% 0.07 247.8)
XYZ	xyz(17.6949, 19.2655, 36.4975)
Luminance	0.1927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DA1 #A17B57

analogous

#57A1A0 #577DA1 #5758A1

triadic

#577DA1 #A1577D #7DA157

tetradic

#577DA1 #A057A1 #A17B57 #58A157

square

#577DA1 #A057A1 #A17B57 #58A157

split-complementary

#577DA1 #A15758 #A1A057

monochromatic

#2C3F52 #425E79 #577DA1 #7D9BB9 #A4BACE

Accessibility & contrast

On white

4.33

#577DA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#577DA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DA1

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DA1	#FFFFFF	#000000	##000000
##577DA1	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7EA3

Deuteranopia (green-blind)

#6576A0

Tritanopia (blue-blind)

#388589

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577da1;
/* rgb */ color: rgb(87, 125, 161);
/* oklch */ color: oklch(57.6% 0.070 247.8);

Tailwind

colors: {
  custom: {
    50: '#8aa2bd',
    500: '#577da1',
    950: '#000000',
  },
}

SCSS

$custom: #577da1;
$custom-light: #8aa2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#577da1",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 161
  },
  "hsl": {
    "h": 209.189,
    "s": 29.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57595,
    "c": 0.07035,
    "h": 247.8
  },
  "luminance": 0.19267
}

Semantic roles & 50–950 ramp

primary

#577DA1

secondary

#BCA998

accent

#9362C6

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577DA1

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

Preview Lab → · Contrast checker → · Palette generator →