#577AC2#577AC2

#577AC2 is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.6% C 0.118 H 263.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#577AC2
RGB	rgb(87, 122, 194)
HSL	hsl(220, 47%, 55%)
HSV	hsv(220, 55%, 76%)
CMYK	cmyk(55.2%, 37.1%, 0%, 23.9%)
CIE-LAB	lab(51.65, 8.84, -41.44)
CIE-LCH	lch(51.65, 42.37, 282.05°)
OKLab	oklab(58.61% -0.0133 -0.1173)
OKLCH	oklch(58.61% 0.118 263.5)
XYZ	xyz(20.6243, 19.8388, 53.7709)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AC2 #C29F57

analogous

#57AFC2 #577AC2 #6A57C2

triadic

#577AC2 #C2577A #7AC257

tetradic

#577AC2 #C257AF #C29F57 #57C26A

square

#577AC2 #C257AF #C29F57 #57C26A

split-complementary

#577AC2 #C26A57 #AFC257

monochromatic

#2A4274 #3B5CA1 #577AC2 #849ED2 #B1C1E3

Accessibility & contrast

On white

4.23

#577AC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#577AC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AC2

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AC2	#FFFFFF	#000000	##000000
##577AC2	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D80C5

Deuteranopia (green-blind)

#5077C0

Tritanopia (blue-blind)

#168A95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577ac2;
/* rgb */ color: rgb(87, 122, 194);
/* oklch */ color: oklch(58.6% 0.118 263.5);

Tailwind

colors: {
  custom: {
    50: '#8ea0d5',
    500: '#577ac2',
    950: '#000000',
  },
}

SCSS

$custom: #577ac2;
$custom-light: #8ea0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#577ac2",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 194
  },
  "hsl": {
    "h": 220.374,
    "s": 46.725,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58608,
    "c": 0.11801,
    "h": 263.5
  },
  "luminance": 0.1984
}

Semantic roles & 50–950 ramp

primary

#577AC2

secondary

#D1C2A4

accent

#AB51D6

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #577AC2

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

Preview Lab → · Contrast checker → · Palette generator →