#577AC6#577AC6

#577AC6 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.8% C 0.124 H 264.3°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#577AC6
RGB	rgb(87, 122, 198)
HSL	hsl(221, 49%, 56%)
HSV	hsv(221, 56%, 78%)
CMYK	cmyk(56.1%, 38.4%, 0%, 22.4%)
CIE-LAB	lab(51.86, 10.15, -43.40)
CIE-LCH	lch(51.86, 44.57, 283.16°)
OKLab	oklab(58.84% -0.0124 -0.123)
OKLCH	oklch(58.84% 0.124 264.3)
XYZ	xyz(21.0796, 20.0209, 56.1687)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AC6 #C6A357

analogous

#57B1C6 #577AC6 #6B57C6

triadic

#577AC6 #C6577A #7AC657

tetradic

#577AC6 #C657B1 #C6A357 #57C66B

square

#577AC6 #C657B1 #C6A357 #57C66B

split-complementary

#577AC6 #C66B57 #B1C657

monochromatic

#294279 #395CA7 #577AC6 #859ED6 #B2C2E5

Accessibility & contrast

On white

4.20

#577AC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#577AC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AC6

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AC6	#FFFFFF	#000000	##000000
##577AC6	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B81C9

Deuteranopia (green-blind)

#4D77C4

Tritanopia (blue-blind)

#0C8B96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #577ac6;
/* rgb */ color: rgb(87, 122, 198);
/* oklch */ color: oklch(58.8% 0.124 264.3);

Tailwind

colors: {
  custom: {
    50: '#8ea0d7',
    500: '#577ac6',
    950: '#000000',
  },
}

SCSS

$custom: #577ac6;
$custom-light: #8ea0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#577ac6",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 198
  },
  "hsl": {
    "h": 221.081,
    "s": 49.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58835,
    "c": 0.12361,
    "h": 264.3
  },
  "luminance": 0.20023
}

Semantic roles & 50–950 ramp

primary

#577AC6

secondary

#D3C5A5

accent

#AD4FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #577AC6

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

Preview Lab → · Contrast checker → · Palette generator →