#577EDE#577EDE

#577EDE is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.1% C 0.152 H 265.5°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#577EDE
RGB	rgb(87, 126, 222)
HSL	hsl(223, 67%, 61%)
HSV	hsv(223, 61%, 87%)
CMYK	cmyk(60.8%, 43.2%, 0%, 12.9%)
CIE-LAB	lab(54.26, 15.68, -53.18)
CIE-LCH	lch(54.26, 55.44, 286.43°)
OKLab	oklab(61.11% -0.0119 -0.1516)
OKLCH	oklch(61.11% 0.152 265.5)
XYZ	xyz(24.5716, 22.2197, 72.0870)
Luminance	0.2222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EDE #DEB757

analogous

#57C1DE #577EDE #7457DE

triadic

#577EDE #DE577E #7EDE57

tetradic

#577EDE #DE57C1 #DEB757 #57DE74

square

#577EDE #DE57C1 #DEB757 #57DE74

split-complementary

#577EDE #DE7457 #C1DE57

monochromatic

#1F439C #2959CF #577EDE #8AA5E8 #BDCDF2

Accessibility & contrast

On white

3.86

#577EDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#577EDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EDE

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EDE	#FFFFFF	#000000	##000000
##577EDE	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5288E2

Deuteranopia (green-blind)

#3E7CDC

Tritanopia (blue-blind)

#0094A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #577ede;
/* rgb */ color: rgb(87, 126, 222);
/* oklch */ color: oklch(61.1% 0.152 265.5);

Tailwind

colors: {
  custom: {
    50: '#92a2e9',
    500: '#577ede',
    950: '#000000',
  },
}

SCSS

$custom: #577ede;
$custom-light: #92a2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#577ede",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 222
  },
  "hsl": {
    "h": 222.667,
    "s": 67.164,
    "l": 60.588
  },
  "oklch": {
    "l": 0.61108,
    "c": 0.15206,
    "h": 265.5
  },
  "luminance": 0.22222
}

Semantic roles & 50–950 ramp

primary

#577EDE

secondary

#E2D3AF

accent

#9A16CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #577EDE

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

Preview Lab → · Contrast checker → · Palette generator →