#577EF3

#577ef3 ≈ Brandeis Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool

#577ef3 is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 34.12% red, 49.41% green and 95.29% blue; printed in CMYK it uses 64.2% cyan, 48.15% magenta, 0% yellow and 4.71% black. Its hue angle is 225°, with 86.67% saturation and 64.71% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and call-to-action buttons. Black text on this color reaches a contrast ratio of 5.68:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 5.99.

Description generated from the measured properties of this color.

Conversions of #577ef3 into other color spaces
HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2342

Readable text 3.69:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.68:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #858585 ≈ 0.003% of males
Achromatomaly #7582bb ≈ 0.001% of males
Protanopia #408cf7 ≈ 1.01% of males
Deuteranopia #1a7ef1 ≈ 1.27% of males
Tritanopia #0099ad ≈ 0.0001% of males
Protanomaly #4a87f6 ≈ 1.08% of males
Deuteranomaly #3b7ef2 ≈ 4.63% of males
Tritanomaly #0d8fcd ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577ef3 {
  color: #577ef3;
}
Background
.bg-577ef3 {
  background-color: #577ef3;
  color: #000000;
}
Border
.border-577ef3 {
  border: 2px solid #577ef3;
}
CSS variables
:root {
  --color-primary: #577ef3;
  --color-primary-rgb: 87 126 243;
  --color-primary-hsl: 225 87% 65%;
}
Gradient
.gradient-577ef3 {
  background: linear-gradient(135deg, #577ef3, #7e57f3);
}
Colored shadow
.shadow-577ef3 {
  box-shadow: 0 8px 24px rgb(87 126 243 / 0.35);
}

Brandeis Blue
#577ef3  rgb(87, 126, 243)  hsl(225, 87%, 65%)  Brandeis Blue
#f3cc57  rgb(243, 204, 87)  hsl(45, 87%, 65%)  Naples Yellow
#f3577e  rgb(243, 87, 126)  hsl(345, 87%, 65%)  Blush
#7ef357  rgb(126, 243, 87)  hsl(105, 87%, 65%)  Lawn Green