#577DA9#577DA9

#577DA9 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.081 H 252.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#577DA9
RGB	rgb(87, 125, 169)
HSL	hsl(212, 32%, 50%)
HSV	hsv(212, 49%, 66%)
CMYK	cmyk(48.5%, 26%, 0%, 33.7%)
CIE-LAB	lab(51.33, -0.86, -27.55)
CIE-LCH	lch(51.33, 27.56, 268.21°)
OKLab	oklab(57.97% -0.0239 -0.077)
OKLCH	oklch(57.97% 0.081 252.8)
XYZ	xyz(18.4231, 19.5568, 40.3325)
Luminance	0.1956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DA9 #A98357

analogous

#57A6A9 #577DA9 #5A57A9

triadic

#577DA9 #A9577D #7DA957

tetradic

#577DA9 #A957A6 #A98357 #57A95A

square

#577DA9 #A957A6 #A98357 #57A95A

split-complementary

#577DA9 #A95A57 #A6A957

monochromatic

#2D4158 #425F81 #577DA9 #7F9CBE #A8BCD2

Accessibility & contrast

On white

4.28

#577DA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#577DA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DA9

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DA9	#FFFFFF	#000000	##000000
##577DA9	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7FAB

Deuteranopia (green-blind)

#6277A8

Tritanopia (blue-blind)

#33878C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577da9;
/* rgb */ color: rgb(87, 125, 169);
/* oklch */ color: oklch(58.0% 0.081 252.8);

Tailwind

colors: {
  custom: {
    50: '#8ba2c2',
    500: '#577da9',
    950: '#000000',
  },
}

SCSS

$custom: #577da9;
$custom-light: #8ba2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#577da9",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 169
  },
  "hsl": {
    "h": 212.195,
    "s": 32.283,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5797,
    "c": 0.08058,
    "h": 252.8
  },
  "luminance": 0.19558
}

Semantic roles & 50–950 ramp

primary

#577DA9

secondary

#C0AF9C

accent

#985FC8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577DA9

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

Preview Lab → · Contrast checker → · Palette generator →