#577FA9#577FA9

#577FA9 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.4% C 0.079 H 250.5°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#577FA9
RGB	rgb(87, 127, 169)
HSL	hsl(211, 32%, 50%)
HSV	hsv(211, 49%, 66%)
CMYK	cmyk(48.5%, 24.9%, 0%, 33.7%)
CIE-LAB	lab(51.91, -2.04, -26.64)
CIE-LCH	lch(51.91, 26.72, 265.63°)
OKLab	oklab(58.43% -0.0264 -0.0744)
OKLCH	oklch(58.43% 0.079 250.5)
XYZ	xyz(18.6788, 20.0682, 40.4177)
Luminance	0.2007 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FA9 #A98157

analogous

#57A8A9 #577FA9 #5857A9

triadic

#577FA9 #A9577F #7FA957

tetradic

#577FA9 #A957A8 #A98157 #57A958

square

#577FA9 #A957A8 #A98157 #57A958

split-complementary

#577FA9 #A95857 #A8A957

monochromatic

#2D4258 #426181 #577FA9 #7F9EBE #A8BDD2

Accessibility & contrast

On white

4.19

#577FA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#577FA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FA9

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FA9	#FFFFFF	#000000	##000000
##577FA9	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E80AB

Deuteranopia (green-blind)

#6478A8

Tritanopia (blue-blind)

#32898D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #577fa9;
/* rgb */ color: rgb(87, 127, 169);
/* oklch */ color: oklch(58.4% 0.079 250.5);

Tailwind

colors: {
  custom: {
    50: '#8ba4c2',
    500: '#577fa9',
    950: '#000000',
  },
}

SCSS

$custom: #577fa9;
$custom-light: #8ba4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#577fa9",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 169
  },
  "hsl": {
    "h": 210.732,
    "s": 32.283,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58427,
    "c": 0.0789,
    "h": 250.5
  },
  "luminance": 0.2007
}

Semantic roles & 50–950 ramp

primary

#577FA9

secondary

#C0AE9C

accent

#955FC8

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FA9

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

Preview Lab → · Contrast checker → · Palette generator →