#577FA8#577FA8

#577FA8 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.4% C 0.078 H 249.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#577FA8
RGB	rgb(87, 127, 168)
HSL	hsl(210, 32%, 50%)
HSV	hsv(210, 48%, 66%)
CMYK	cmyk(48.2%, 24.4%, 0%, 34.1%)
CIE-LAB	lab(51.87, -2.34, -26.13)
CIE-LCH	lch(51.87, 26.23, 264.88°)
OKLab	oklab(58.38% -0.0267 -0.0729)
OKLCH	oklch(58.38% 0.078 249.9)
XYZ	xyz(18.5853, 20.0308, 39.9252)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FA8 #A88057

analogous

#57A8A8 #577FA8 #5757A8

triadic

#577FA8 #A8577F #7FA857

tetradic

#577FA8 #A857A8 #A88057 #57A857

square

#577FA8 #A857A8 #A88057 #57A857

split-complementary

#577FA8 #A85757 #A8A857

monochromatic

#2D4257 #426180 #577FA8 #7F9EBD #A8BCD2

Accessibility & contrast

On white

4.19

#577FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#577FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FA8

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FA8	#FFFFFF	#000000	##000000
##577FA8	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)

#6F80AA

Deuteranopia (green-blind)

#6478A7

Tritanopia (blue-blind)

#33888D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #577fa8;
/* rgb */ color: rgb(87, 127, 168);
/* oklch */ color: oklch(58.4% 0.078 249.9);

Tailwind

colors: {
  custom: {
    50: '#8ba4c2',
    500: '#577fa8',
    950: '#000000',
  },
}

SCSS

$custom: #577fa8;
$custom-light: #8ba4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#577fa8",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 168
  },
  "hsl": {
    "h": 210.37,
    "s": 31.765,
    "l": 50
  },
  "oklch": {
    "l": 0.5838,
    "c": 0.07763,
    "h": 249.9
  },
  "luminance": 0.20032
}

Semantic roles & 50–950 ramp

primary

#577FA8

secondary

#C0AE9B

accent

#9560C8

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FA8

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

Preview Lab → · Contrast checker → · Palette generator →