#577ED6#577ED6

#577ED6 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.6% C 0.141 H 264.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#577ED6
RGB	rgb(87, 126, 214)
HSL	hsl(222, 61%, 59%)
HSV	hsv(222, 59%, 84%)
CMYK	cmyk(59.3%, 41.1%, 0%, 16.1%)
CIE-LAB	lab(53.82, 13.00, -49.38)
CIE-LCH	lch(53.82, 51.06, 284.75°)
OKLab	oklab(60.62% -0.0134 -0.1404)
OKLCH	oklch(60.62% 0.141 264.6)
XYZ	xyz(23.5248, 21.8010, 66.5736)
Luminance	0.2180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577ED6 #D6AF57

analogous

#57BED6 #577ED6 #7057D6

triadic

#577ED6 #D6577E #7ED657

tetradic

#577ED6 #D657BE #D6AF57 #57D670

square

#577ED6 #D657BE #D6AF57 #57D670

split-complementary

#577ED6 #D67057 #BED657

monochromatic

#234490 #2F5CC1 #577ED6 #88A4E2 #B9CAEE

Accessibility & contrast

On white

3.92

#577ED6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#577ED6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577ED6

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577ED6	#FFFFFF	#000000	##000000
##577ED6	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5787D9

Deuteranopia (green-blind)

#467BD4

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #577ed6;
/* rgb */ color: rgb(87, 126, 214);
/* oklch */ color: oklch(60.6% 0.141 264.6);

Tailwind

colors: {
  custom: {
    50: '#90a3e3',
    500: '#577ed6',
    950: '#000000',
  },
}

SCSS

$custom: #577ed6;
$custom-light: #90a3e3;
$custom-dark: #000000;

JSON

{
  "hex": "#577ed6",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 214
  },
  "hsl": {
    "h": 221.575,
    "s": 60.766,
    "l": 59.02
  },
  "oklch": {
    "l": 0.60622,
    "c": 0.14109,
    "h": 264.6
  },
  "luminance": 0.21803
}

Semantic roles & 50–950 ramp

primary

#577ED6

secondary

#DDCEAB

accent

#B344E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #577ED6

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

Preview Lab → · Contrast checker → · Palette generator →