#577A9A#577A9A

#577A9A is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.6% C 0.064 H 246.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#577A9A
RGB	rgb(87, 122, 154)
HSL	hsl(209, 28%, 47%)
HSV	hsv(209, 44%, 60%)
CMYK	cmyk(43.5%, 20.8%, 0%, 39.6%)
CIE-LAB	lab(49.83, -3.59, -21.13)
CIE-LCH	lch(49.83, 21.43, 260.35°)
OKLab	oklab(56.58% -0.0252 -0.0586)
OKLCH	oklch(56.58% 0.064 246.8)
XYZ	xyz(16.7208, 18.2774, 33.2124)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A9A #9A7757

analogous

#579A99 #577A9A #57589A

triadic

#577A9A #9A577A #7A9A57

tetradic

#577A9A #99579A #9A7757 #589A57

square

#577A9A #99579A #9A7757 #589A57

split-complementary

#577A9A #9A5758 #9A9957

monochromatic

#2B3C4C #415B73 #577A9A #7A98B4 #A1B7CA

Accessibility & contrast

On white

4.51

#577A9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#577A9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577A9A

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A9A	#FFFFFF	#000000	##000000
##577A9A	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7A9C

Deuteranopia (green-blind)

#657399

Tritanopia (blue-blind)

#3D8285

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577a9a;
/* rgb */ color: rgb(87, 122, 154);
/* oklch */ color: oklch(56.6% 0.064 246.8);

Tailwind

colors: {
  custom: {
    50: '#89a0b7',
    500: '#577a9a',
    950: '#000000',
  },
}

SCSS

$custom: #577a9a;
$custom-light: #89a0b7;
$custom-dark: #000000;

JSON

{
  "hex": "#577a9a",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 154
  },
  "hsl": {
    "h": 208.657,
    "s": 27.801,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56583,
    "c": 0.06378,
    "h": 246.8
  },
  "luminance": 0.18278
}

Semantic roles & 50–950 ramp

primary

#577A9A

secondary

#B8A695

accent

#9264C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577A9A

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

Preview Lab → · Contrast checker → · Palette generator →