#577E9A#577E9A

#577E9A is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.5% C 0.061 H 240.4°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#577E9A
RGB	rgb(87, 126, 154)
HSL	hsl(205, 28%, 47%)
HSV	hsv(205, 44%, 60%)
CMYK	cmyk(43.5%, 18.2%, 0%, 39.6%)
CIE-LAB	lab(51.01, -5.92, -19.32)
CIE-LCH	lch(51.01, 20.20, 252.97°)
OKLab	oklab(57.52% -0.0304 -0.0535)
OKLCH	oklch(57.52% 0.062 240.4)
XYZ	xyz(17.2221, 19.2799, 33.3795)
Luminance	0.1928 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E9A #9A7357

analogous

#579A95 #577E9A #575C9A

triadic

#577E9A #9A577E #7E9A57

tetradic

#577E9A #95579A #9A7357 #5C9A57

square

#577E9A #95579A #9A7357 #5C9A57

split-complementary

#577E9A #9A575C #9A9557

monochromatic

#2B3E4C #415E73 #577E9A #7A9CB4 #A1B9CA

Accessibility & contrast

On white

4.32

#577E9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#577E9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E9A

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E9A	#FFFFFF	#000000	##000000
##577E9A	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727E9B

Deuteranopia (green-blind)

#69769A

Tritanopia (blue-blind)

#3C8587

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577e9a;
/* rgb */ color: rgb(87, 126, 154);
/* oklch */ color: oklch(57.5% 0.061 240.4);

Tailwind

colors: {
  custom: {
    50: '#89a3b7',
    500: '#577e9a',
    950: '#000000',
  },
}

SCSS

$custom: #577e9a;
$custom-light: #89a3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#577e9a",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 154
  },
  "hsl": {
    "h": 205.075,
    "s": 27.801,
    "l": 47.255
  },
  "oklch": {
    "l": 0.57516,
    "c": 0.0615,
    "h": 240.4
  },
  "luminance": 0.19281
}

Semantic roles & 50–950 ramp

primary

#577E9A

secondary

#B8A495

accent

#8C64C4

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #577E9A

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

Preview Lab → · Contrast checker → · Palette generator →