#577AE2#577AE2

#577AE2 is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.5% C 0.162 H 267.4°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#577AE2
RGB	rgb(87, 122, 226)
HSL	hsl(225, 71%, 61%)
HSV	hsv(225, 62%, 89%)
CMYK	cmyk(61.5%, 46%, 0%, 11.4%)
CIE-LAB	lab(53.42, 19.47, -56.76)
CIE-LCH	lch(53.42, 60.01, 288.93°)
OKLab	oklab(60.54% -0.0073 -0.1622)
OKLCH	oklch(60.54% 0.162 267.4)
XYZ	xyz(24.6128, 21.4342, 74.7769)
Luminance	0.2144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AE2 #E2BF57

analogous

#57C0E2 #577AE2 #7A57E2

triadic

#577AE2 #E2577A #7AE257

tetradic

#577AE2 #E257C0 #E2BF57 #57E27A

square

#577AE2 #E257C0 #E2BF57 #57E27A

split-complementary

#577AE2 #E27A57 #C0E257

monochromatic

#1C3EA3 #2552D7 #577AE2 #8BA3EB #BFCDF4

Accessibility & contrast

On white

3.97

#577AE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#577AE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AE2

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AE2	#FFFFFF	#000000	##000000
##577AE2	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4786E6

Deuteranopia (green-blind)

#307AE0

Tritanopia (blue-blind)

#0092A3

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #577ae2;
/* rgb */ color: rgb(87, 122, 226);
/* oklch */ color: oklch(60.5% 0.162 267.4);

Tailwind

colors: {
  custom: {
    50: '#92a0ec',
    500: '#577ae2',
    950: '#000000',
  },
}

SCSS

$custom: #577ae2;
$custom-light: #92a0ec;
$custom-dark: #000000;

JSON

{
  "hex": "#577ae2",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 226
  },
  "hsl": {
    "h": 224.892,
    "s": 70.558,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60541,
    "c": 0.16234,
    "h": 267.4
  },
  "luminance": 0.21436
}

Semantic roles & 50–950 ramp

primary

#577AE2

secondary

#E4D7B0

accent

#A213D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #577AE2

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

Preview Lab → · Contrast checker → · Palette generator →