#577EE2#577EE2

#577EE2 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.4% C 0.158 H 265.9°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#577EE2
RGB	rgb(87, 126, 226)
HSL	hsl(223, 71%, 61%)
HSV	hsv(223, 62%, 89%)
CMYK	cmyk(61.5%, 44.2%, 0%, 11.4%)
CIE-LAB	lab(54.49, 17.02, -55.06)
CIE-LCH	lch(54.49, 57.63, 287.18°)
OKLab	oklab(61.36% -0.0112 -0.1571)
OKLCH	oklch(61.36% 0.158 265.9)
XYZ	xyz(25.1141, 22.4367, 74.9440)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EE2 #E2BB57

analogous

#57C4E2 #577EE2 #7657E2

triadic

#577EE2 #E2577E #7EE257

tetradic

#577EE2 #E257C4 #E2BB57 #57E276

square

#577EE2 #E257C4 #E2BB57 #57E276

split-complementary

#577EE2 #E27657 #C4E257

monochromatic

#1C42A3 #2557D7 #577EE2 #8BA6EB #BFCEF4

Accessibility & contrast

On white

3.83

#577EE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#577EE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EE2

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EE2	#FFFFFF	#000000	##000000
##577EE2	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F89E6

Deuteranopia (green-blind)

#397CE0

Tritanopia (blue-blind)

#0095A5

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #577ee2;
/* rgb */ color: rgb(87, 126, 226);
/* oklch */ color: oklch(61.4% 0.158 265.9);

Tailwind

colors: {
  custom: {
    50: '#92a2ec',
    500: '#577ee2',
    950: '#000000',
  },
}

SCSS

$custom: #577ee2;
$custom-light: #92a2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#577ee2",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 226
  },
  "hsl": {
    "h": 223.165,
    "s": 70.558,
    "l": 61.373
  },
  "oklch": {
    "l": 0.61357,
    "c": 0.15751,
    "h": 265.9
  },
  "luminance": 0.22439
}

Semantic roles & 50–950 ramp

primary

#577EE2

secondary

#E4D6B0

accent

#9D13D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #577EE2

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

Preview Lab → · Contrast checker → · Palette generator →