#577EE6#577EE6

#577EE6 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.6% C 0.163 H 266.3°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#577EE6
RGB	rgb(87, 126, 230)
HSL	hsl(224, 74%, 62%)
HSV	hsv(224, 62%, 90%)
CMYK	cmyk(62.2%, 45.2%, 0%, 9.8%)
CIE-LAB	lab(54.72, 18.37, -56.92)
CIE-LCH	lch(54.72, 59.81, 287.89°)
OKLab	oklab(61.61% -0.0106 -0.1626)
OKLCH	oklch(61.61% 0.163 266.3)
XYZ	xyz(25.6694, 22.6588, 77.8684)
Luminance	0.2266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EE6 #E6BF57

analogous

#57C6E6 #577EE6 #7757E6

triadic

#577EE6 #E6577E #7EE657

tetradic

#577EE6 #E657C6 #E6BF57 #57E677

square

#577EE6 #E657C6 #E6BF57 #57E677

split-complementary

#577EE6 #E67757 #C6E657

monochromatic

#1941A9 #2255DE #577EE6 #8CA7EE #C2D0F6

Accessibility & contrast

On white

3.80

#577EE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#577EE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EE6

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EE6	#FFFFFF	#000000	##000000
##577EE6	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8AEA

Deuteranopia (green-blind)

#347DE4

Tritanopia (blue-blind)

#0096A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #577ee6;
/* rgb */ color: rgb(87, 126, 230);
/* oklch */ color: oklch(61.6% 0.163 266.3);

Tailwind

colors: {
  custom: {
    50: '#93a2ee',
    500: '#577ee6',
    950: '#000000',
  },
}

SCSS

$custom: #577ee6;
$custom-light: #93a2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#577ee6",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 230
  },
  "hsl": {
    "h": 223.636,
    "s": 74.093,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61609,
    "c": 0.16295,
    "h": 266.3
  },
  "luminance": 0.22661
}

Semantic roles & 50–950 ramp

primary

#577EE6

secondary

#E7D8B2

accent

#A00FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #577EE6

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

Preview Lab → · Contrast checker → · Palette generator →