#577CC2#577CC2

#577CC2 is a mid, moderate blue. Relative luminance 0.203; OKLCH L 59.0% C 0.116 H 262.3°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#577CC2
RGB	rgb(87, 124, 194)
HSL	hsl(219, 47%, 55%)
HSV	hsv(219, 55%, 76%)
CMYK	cmyk(55.2%, 36.1%, 0%, 23.9%)
CIE-LAB	lab(52.21, 7.63, -40.56)
CIE-LCH	lch(52.21, 41.27, 280.66°)
OKLab	oklab(59.04% -0.0156 -0.1147)
OKLCH	oklch(59.04% 0.116 262.3)
XYZ	xyz(20.8724, 20.3350, 53.8536)
Luminance	0.2034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577CC2 #C29D57

analogous

#57B2C2 #577CC2 #6757C2

triadic

#577CC2 #C2577C #7CC257

tetradic

#577CC2 #C257B2 #C29D57 #57C267

square

#577CC2 #C257B2 #C29D57 #57C267

split-complementary

#577CC2 #C26757 #B2C257

monochromatic

#2A4474 #3B5EA1 #577CC2 #849FD2 #B1C2E3

Accessibility & contrast

On white

4.14

#577CC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#577CC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CC2

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577CC2	#FFFFFF	#000000	##000000
##577CC2	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6082C5

Deuteranopia (green-blind)

#5378C1

Tritanopia (blue-blind)

#158B96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #577cc2;
/* rgb */ color: rgb(87, 124, 194);
/* oklch */ color: oklch(59.0% 0.116 262.3);

Tailwind

colors: {
  custom: {
    50: '#8ea1d5',
    500: '#577cc2',
    950: '#000000',
  },
}

SCSS

$custom: #577cc2;
$custom-light: #8ea1d5;
$custom-dark: #000000;

JSON

{
  "hex": "#577cc2",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 194
  },
  "hsl": {
    "h": 219.252,
    "s": 46.725,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59042,
    "c": 0.11572,
    "h": 262.3
  },
  "luminance": 0.20337
}

Semantic roles & 50–950 ramp

primary

#577CC2

secondary

#D1C1A4

accent

#A851D6

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #577CC2

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

Preview Lab → · Contrast checker → · Palette generator →