#577EA6#577EA6

#577EA6 is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.076 H 249.9°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#577EA6
RGB	rgb(87, 126, 166)
HSL	hsl(210, 31%, 50%)
HSV	hsv(210, 48%, 65%)
CMYK	cmyk(47.6%, 24.1%, 0%, 34.9%)
CIE-LAB	lab(51.50, -2.36, -25.55)
CIE-LCH	lch(51.50, 25.66, 264.72°)
OKLab	oklab(58.06% -0.0261 -0.0712)
OKLCH	oklch(58.06% 0.076 249.9)
XYZ	xyz(18.2719, 19.6999, 38.9086)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EA6 #A67F57

analogous

#57A5A6 #577EA6 #5857A6

triadic

#577EA6 #A6577E #7EA657

tetradic

#577EA6 #A657A5 #A67F57 #57A658

square

#577EA6 #A657A5 #A67F57 #57A658

split-complementary

#577EA6 #A65857 #A5A657

monochromatic

#2D4156 #42607E #577EA6 #7F9DBC #A7BBD1

Accessibility & contrast

On white

4.25

#577EA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#577EA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EA6

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EA6	#FFFFFF	#000000	##000000
##577EA6	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7FA8

Deuteranopia (green-blind)

#6477A5

Tritanopia (blue-blind)

#35878C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577ea6;
/* rgb */ color: rgb(87, 126, 166);
/* oklch */ color: oklch(58.1% 0.076 249.9);

Tailwind

colors: {
  custom: {
    50: '#8ba3c0',
    500: '#577ea6',
    950: '#000000',
  },
}

SCSS

$custom: #577ea6;
$custom-light: #8ba3c0;
$custom-dark: #000000;

JSON

{
  "hex": "#577ea6",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 166
  },
  "hsl": {
    "h": 210.38,
    "s": 31.225,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58057,
    "c": 0.07588,
    "h": 249.9
  },
  "luminance": 0.19701
}

Semantic roles & 50–950 ramp

primary

#577EA6

secondary

#BEAD9A

accent

#9560C7

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577EA6

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

Preview Lab → · Contrast checker → · Palette generator →