ColorTool
Log in
#2A1DFD

#2a1dfd ≈ Ultramarine

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#2a1dfd is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 16.47% red, 11.37% green and 99.22% blue; printed in CMYK it uses 83.4% cyan, 88.54% magenta, 0% yellow and 0.78% black. Its hue angle is 243.48°, with 98.25% saturation and 55.29% 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. White text on this color reaches a contrast ratio of 7.8:1 (WCAG AAA). The closest named color is Ultramarine (#3f00ff), ΔE 1.97.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0846

Complementary

  1. #2a1dfd
  2. #f0fd1d

Split complementary

  1. #2a1dfd
  2. #fd9a1d
  3. #80fd1d

Analogous

  1. #1d80fd
  2. #2a1dfd
  3. #9a1dfd

Triadic

  1. #2a1dfd
  2. #fd2a1d
  3. #1dfd2a

Tetradic

  1. #2a1dfd
  2. #fd1df0
  3. #f0fd1d
  4. #1dfd2a

Square

  1. #2a1dfd
  2. #fd1d80
  3. #f0fd1d
  4. #1dfd9a

Monochromatic

  1. #080180
  2. #0e02cc
  3. #2a1dfd
  4. #7169fe
  5. #b9b5fe

Shades

#2a1dfd mixed progressively with black.

  1. #2a1dfd
  2. #261ae4
  3. #2217ca
  4. #1d14b1
  5. #191198
  6. #150f7f
  7. #110c65
  8. #0d094c
  9. #080633
  10. #040319
  11. #000000

Tints

#2a1dfd mixed progressively with white.

  1. #2a1dfd
  2. #3f34fd
  3. #554afd
  4. #6a61fe
  5. #7f77fe
  6. #958efe
  7. #aaa5fe
  8. #bfbbfe
  9. #d4d2ff
  10. #eae8ff
  11. #ffffff

Tones

#2a1dfd mixed progressively with gray.

  1. #2a1dfd
  2. #3327f1
  3. #3b31e4
  4. #443bd8
  5. #4c45cb
  6. #554fbf
  7. #5e58b2
  8. #6662a6
  9. #6f6c99
  10. #77768d
  11. #808080

Readable text 7.8:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.69:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #525252 ≈ 0.003% of males
Achromatomaly #4543b2 ≈ 0.001% of males
Protanopia #005dff ≈ 1.01% of males
Deuteranopia #0046fa ≈ 1.27% of males
Tritanopia #006e96 ≈ 0.0001% of males
Protanomaly #004bff ≈ 1.08% of males
Deuteranomaly #003afb ≈ 4.63% of males
Tritanomaly #0058c8 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2a1dfd {
  color: #2a1dfd;
}
Background
.bg-2a1dfd {
  background-color: #2a1dfd;
  color: #ffffff;
}
Border
.border-2a1dfd {
  border: 2px solid #2a1dfd;
}
CSS variables
:root {
  --color-primary: #2a1dfd;
  --color-primary-rgb: 42 29 253;
  --color-primary-hsl: 243 98% 55%;
}
Gradient
.gradient-2a1dfd {
  background: linear-gradient(135deg, #2a1dfd, #9a1dfd);
}
Colored shadow
.shadow-2a1dfd {
  box-shadow: 0 8px 24px rgb(42 29 253 / 0.35);
}

#3f00ff Ultramarine ΔE 1.97 #0000ff Blue ΔE 2.43 #5218fa Han Purple ΔE 2.64 #6f00ff Electric Indigo ΔE 5.70 #0000cd Medium Blue ΔE 8.00 #1c39bb Persian Blue ΔE 9.09 #4f42b5 Ocean Blue ΔE 9.91 #d5e202 Inverted #525252 Grayscale 

Ultramarine
#2a1dfd  rgb(42, 29, 253)  hsl(243, 98%, 55%)  Ultramarine
#f0fd1d  rgb(240, 253, 29)  hsl(63, 98%, 55%)  Lemon Lime
#fd2a1d  rgb(253, 42, 29)  hsl(3, 98%, 55%)  Candy Apple Red
#1dfd2a  rgb(29, 253, 42)  hsl(123, 98%, 55%)  Lime