#577EA8#577EA8

#577EA8 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.078 H 251.1°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#577EA8
RGB	rgb(87, 126, 168)
HSL	hsl(211, 32%, 50%)
HSV	hsv(211, 48%, 66%)
CMYK	cmyk(48.2%, 25%, 0%, 34.1%)
CIE-LAB	lab(51.58, -1.75, -26.58)
CIE-LCH	lch(51.58, 26.64, 266.22°)
OKLab	oklab(58.15% -0.0255 -0.0742)
OKLCH	oklch(58.15% 0.078 251.1)
XYZ	xyz(18.4568, 19.7738, 39.8823)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EA8 #A88157

analogous

#57A7A8 #577EA8 #5857A8

triadic

#577EA8 #A8577E #7EA857

tetradic

#577EA8 #A857A7 #A88157 #57A858

square

#577EA8 #A857A7 #A88157 #57A858

split-complementary

#577EA8 #A85857 #A7A857

monochromatic

#2D4257 #426080 #577EA8 #7F9DBD #A8BCD2

Accessibility & contrast

On white

4.24

#577EA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#577EA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EA8

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EA8	#FFFFFF	#000000	##000000
##577EA8	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FAA

Deuteranopia (green-blind)

#6377A7

Tritanopia (blue-blind)

#33888C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577ea8;
/* rgb */ color: rgb(87, 126, 168);
/* oklch */ color: oklch(58.2% 0.078 251.1);

Tailwind

colors: {
  custom: {
    50: '#8ba3c2',
    500: '#577ea8',
    950: '#000000',
  },
}

SCSS

$custom: #577ea8;
$custom-light: #8ba3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#577ea8",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 168
  },
  "hsl": {
    "h": 211.111,
    "s": 31.765,
    "l": 50
  },
  "oklch": {
    "l": 0.58151,
    "c": 0.07844,
    "h": 251.1
  },
  "luminance": 0.19775
}

Semantic roles & 50–950 ramp

primary

#577EA8

secondary

#C0AE9B

accent

#9660C8

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577EA8

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

Preview Lab → · Contrast checker → · Palette generator →