#577FA5#577FA5

#577FA5 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.074 H 247.9°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#577FA5
RGB	rgb(87, 127, 165)
HSL	hsl(209, 31%, 49%)
HSV	hsv(209, 47%, 65%)
CMYK	cmyk(47.3%, 23%, 0%, 35.3%)
CIE-LAB	lab(51.75, -3.25, -24.58)
CIE-LCH	lch(51.75, 24.80, 262.48°)
OKLab	oklab(58.24% -0.0277 -0.0685)
OKLCH	oklch(58.24% 0.074 247.9)
XYZ	xyz(18.3091, 19.9203, 38.4702)
Luminance	0.1992 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FA5 #A57D57

analogous

#57A5A4 #577FA5 #5758A5

triadic

#577FA5 #A5577F #7FA557

tetradic

#577FA5 #A457A5 #A57D57 #58A557

square

#577FA5 #A457A5 #A57D57 #58A557

split-complementary

#577FA5 #A55758 #A5A457

monochromatic

#2D4155 #42607D #577FA5 #7E9DBB #A6BCD0

Accessibility & contrast

On white

4.21

#577FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#577FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FA5

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FA5	#FFFFFF	#000000	##000000
##577FA5	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7080A7

Deuteranopia (green-blind)

#6678A4

Tritanopia (blue-blind)

#35888C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577fa5;
/* rgb */ color: rgb(87, 127, 165);
/* oklch */ color: oklch(58.2% 0.074 247.9);

Tailwind

colors: {
  custom: {
    50: '#8aa4bf',
    500: '#577fa5',
    950: '#000000',
  },
}

SCSS

$custom: #577fa5;
$custom-light: #8aa4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#577fa5",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 165
  },
  "hsl": {
    "h": 209.231,
    "s": 30.952,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58241,
    "c": 0.07388,
    "h": 247.9
  },
  "luminance": 0.19922
}

Semantic roles & 50–950 ramp

primary

#577FA5

secondary

#BEAB9A

accent

#9361C7

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FA5

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

Preview Lab → · Contrast checker → · Palette generator →