#577FA6#577FA6

#577FA6 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.3% C 0.075 H 248.6°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#577FA6
RGB	rgb(87, 127, 166)
HSL	hsl(210, 31%, 50%)
HSV	hsv(210, 48%, 65%)
CMYK	cmyk(47.6%, 23.5%, 0%, 34.9%)
CIE-LAB	lab(51.79, -2.95, -25.10)
CIE-LCH	lch(51.79, 25.27, 263.31°)
OKLab	oklab(58.29% -0.0274 -0.0699)
OKLCH	oklch(58.29% 0.075 248.6)
XYZ	xyz(18.4004, 19.9569, 38.9515)
Luminance	0.1996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FA6 #A67E57

analogous

#57A6A5 #577FA6 #5758A6

triadic

#577FA6 #A6577F #7FA657

tetradic

#577FA6 #A557A6 #A67E57 #58A657

square

#577FA6 #A557A6 #A67E57 #58A657

split-complementary

#577FA6 #A65758 #A6A557

monochromatic

#2D4256 #42607E #577FA6 #7F9DBC #A7BCD1

Accessibility & contrast

On white

4.21

#577FA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#577FA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FA6

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FA6	#FFFFFF	#000000	##000000
##577FA6	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F80A8

Deuteranopia (green-blind)

#6578A5

Tritanopia (blue-blind)

#35888C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577fa6;
/* rgb */ color: rgb(87, 127, 166);
/* oklch */ color: oklch(58.3% 0.075 248.6);

Tailwind

colors: {
  custom: {
    50: '#8ba4c0',
    500: '#577fa6',
    950: '#000000',
  },
}

SCSS

$custom: #577fa6;
$custom-light: #8ba4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#577fa6",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 166
  },
  "hsl": {
    "h": 209.62,
    "s": 31.225,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58287,
    "c": 0.07511,
    "h": 248.6
  },
  "luminance": 0.19958
}

Semantic roles & 50–950 ramp

primary

#577FA6

secondary

#BEAC9A

accent

#9360C7

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FA6

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

Preview Lab → · Contrast checker → · Palette generator →