#577BE6#577BE6

#577BE6 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 61.0% C 0.167 H 267.4°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#577BE6
RGB	rgb(87, 123, 230)
HSL	hsl(225, 74%, 62%)
HSV	hsv(225, 62%, 90%)
CMYK	cmyk(62.2%, 46.5%, 0%, 9.8%)
CIE-LAB	lab(53.92, 20.20, -58.20)
CIE-LCH	lch(53.92, 61.61, 289.14°)
OKLab	oklab(61% -0.0077 -0.1664)
OKLCH	oklch(61% 0.167 267.4)
XYZ	xyz(25.2915, 21.9031, 77.7425)
Luminance	0.2190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577BE6 #E6C257

analogous

#57C3E6 #577BE6 #7B57E6

triadic

#577BE6 #E6577B #7BE657

tetradic

#577BE6 #E657C3 #E6C257 #57E67B

square

#577BE6 #E657C3 #E6C257 #57E67B

split-complementary

#577BE6 #E67B57 #C3E657

monochromatic

#193EA9 #2251DE #577BE6 #8CA5EE #C2CFF6

Accessibility & contrast

On white

3.90

#577BE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#577BE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BE6

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577BE6	#FFFFFF	#000000	##000000
##577BE6	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4688EA

Deuteranopia (green-blind)

#2C7BE4

Tritanopia (blue-blind)

#0093A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #577be6;
/* rgb */ color: rgb(87, 123, 230);
/* oklch */ color: oklch(61.0% 0.167 267.4);

Tailwind

colors: {
  custom: {
    50: '#93a0ee',
    500: '#577be6',
    950: '#000000',
  },
}

SCSS

$custom: #577be6;
$custom-light: #93a0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#577be6",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 230
  },
  "hsl": {
    "h": 224.895,
    "s": 74.093,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61001,
    "c": 0.16657,
    "h": 267.4
  },
  "luminance": 0.21905
}

Semantic roles & 50–950 ramp

primary

#577BE6

secondary

#E7D9B2

accent

#A40FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #577BE6

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

Preview Lab → · Contrast checker → · Palette generator →