#2D51BB

#2d51bb ≈ Sapphire

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool

#2d51bb is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 17.65% red, 31.76% green and 73.33% blue; printed in CMYK it uses 75.94% cyan, 56.68% magenta, 0% yellow and 26.67% black. Its hue angle is 224.79°, with 61.21% saturation and 45.49% 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 brand accents. White text on this color reaches a contrast ratio of 6.99:1 (WCAG AA). The closest named color is Sapphire (#0f52ba), ΔE 2.46.

Description generated from the measured properties of this color.

Conversions of #2d51bb into other color spaces
HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1003

Readable text 6.99:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.01:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #595959 ≈ 0.003% of males
Achromatomaly #4b568b ≈ 0.001% of males
Protanopia #0060bf ≈ 1.01% of males
Deuteranopia #0053b9 ≈ 1.27% of males
Tritanopia #006b7e ≈ 0.0001% of males
Protanomaly #0c5abd ≈ 1.08% of males
Deuteranomaly #0052ba ≈ 4.63% of males
Tritanomaly #00629a ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2d51bb {
  color: #2d51bb;
}
Background
.bg-2d51bb {
  background-color: #2d51bb;
  color: #ffffff;
}
Border
.border-2d51bb {
  border: 2px solid #2d51bb;
}
CSS variables
:root {
  --color-primary: #2d51bb;
  --color-primary-rgb: 45 81 187;
  --color-primary-hsl: 225 61% 45%;
}
Gradient
.gradient-2d51bb {
  background: linear-gradient(135deg, #2d51bb, #502dbb);
}
Colored shadow
.shadow-2d51bb {
  box-shadow: 0 8px 24px rgb(45 81 187 / 0.35);
}

Sapphire
#2d51bb  rgb(45, 81, 187)  hsl(225, 61%, 45%)  Sapphire
#bb972d  rgb(187, 151, 45)  hsl(45, 61%, 45%)  Dark Goldenrod
#bb2d51  rgb(187, 45, 81)  hsl(345, 61%, 45%)  Brick Red
#51bb2d  rgb(81, 187, 45)  hsl(105, 61%, 45%)  Kelly Green