#577D9A#577D9A

#577D9A is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.062 H 242.0°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#577D9A
RGB	rgb(87, 125, 154)
HSL	hsl(206, 28%, 47%)
HSV	hsv(206, 44%, 60%)
CMYK	cmyk(43.5%, 18.8%, 0%, 39.6%)
CIE-LAB	lab(50.72, -5.34, -19.77)
CIE-LCH	lch(50.72, 20.48, 254.89°)
OKLab	oklab(57.28% -0.0291 -0.0547)
OKLCH	oklch(57.28% 0.062 242)
XYZ	xyz(17.0949, 19.0255, 33.3371)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D9A #9A7457

analogous

#579A96 #577D9A #575C9A

triadic

#577D9A #9A577D #7D9A57

tetradic

#577D9A #96579A #9A7457 #5C9A57

square

#577D9A #96579A #9A7457 #5C9A57

split-complementary

#577D9A #9A575C #9A9657

monochromatic

#2B3E4C #415D73 #577D9A #7A9BB4 #A1B8CA

Accessibility & contrast

On white

4.37

#577D9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#577D9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D9A

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D9A	#FFFFFF	#000000	##000000
##577D9A	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717D9B

Deuteranopia (green-blind)

#687699

Tritanopia (blue-blind)

#3D8487

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577d9a;
/* rgb */ color: rgb(87, 125, 154);
/* oklch */ color: oklch(57.3% 0.062 242.0);

Tailwind

colors: {
  custom: {
    50: '#89a2b7',
    500: '#577d9a',
    950: '#000000',
  },
}

SCSS

$custom: #577d9a;
$custom-light: #89a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#577d9a",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 154
  },
  "hsl": {
    "h": 205.97,
    "s": 27.801,
    "l": 47.255
  },
  "oklch": {
    "l": 0.57282,
    "c": 0.062,
    "h": 242
  },
  "luminance": 0.19027
}

Semantic roles & 50–950 ramp

primary

#577D9A

secondary

#B8A495

accent

#8D64C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F11

muted

#7D7E80

Preview Lab

Preview with #577D9A

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

Preview Lab → · Contrast checker → · Palette generator →