ColorTool
Log in
#2A5AFA

#2a5afa ≈ Ultramarine Blue

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

#2a5afa is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 16.47% red, 35.29% green and 98.04% blue; printed in CMYK it uses 83.2% cyan, 64% magenta, 0% yellow and 1.96% black. Its hue angle is 226.15°, with 95.41% saturation and 57.25% 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 5.33:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.8.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1471

Complementary

  1. #2a5afa
  2. #faca2a

Split complementary

  1. #2a5afa
  2. #fa622a
  3. #c2fa2a

Analogous

  1. #2ac2fa
  2. #2a5afa
  3. #622afa

Triadic

  1. #2a5afa
  2. #fa2a5a
  3. #5afa2a

Tetradic

  1. #2a5afa
  2. #ca2afa
  3. #faca2a
  4. #5afa2a

Square

  1. #2a5afa
  2. #fa2ac2
  3. #faca2a
  4. #2afa62

Monochromatic

  1. #032288
  2. #0534d3
  3. #2a5afa
  4. #7594fc
  5. #bfcefe

Shades

#2a5afa mixed progressively with black.

  1. #2a5afa
  2. #2651e1
  3. #2248c8
  4. #1d3faf
  5. #193696
  6. #152d7d
  7. #112464
  8. #0d1b4b
  9. #081232
  10. #040919
  11. #000000

Tints

#2a5afa mixed progressively with white.

  1. #2a5afa
  2. #3f6bfb
  3. #557bfb
  4. #6a8cfc
  5. #7f9cfc
  6. #95adfd
  7. #aabdfd
  8. #bfcefe
  9. #d4defe
  10. #eaefff
  11. #ffffff

Tones

#2a5afa mixed progressively with gray.

  1. #2a5afa
  2. #335eee
  3. #3b62e2
  4. #4465d5
  5. #4c69c9
  6. #556dbd
  7. #5e71b1
  8. #6675a5
  9. #6f7898
  10. #777c8c
  11. #808080

Readable text 5.33:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.94:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6b6b6b ≈ 0.003% of males
Achromatomaly #5865b6 ≈ 0.001% of males
Protanopia #0075ff ≈ 1.01% of males
Deuteranopia #0061f7 ≈ 1.27% of males
Tritanopia #0085a2 ≈ 0.0001% of males
Protanomaly #006bfd ≈ 1.08% of males
Deuteranomaly #005ff8 ≈ 4.63% of males
Tritanomaly #0076cb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2a5afa {
  color: #2a5afa;
}
Background
.bg-2a5afa {
  background-color: #2a5afa;
  color: #ffffff;
}
Border
.border-2a5afa {
  border: 2px solid #2a5afa;
}
CSS variables
:root {
  --color-primary: #2a5afa;
  --color-primary-rgb: 42 90 250;
  --color-primary-hsl: 226 95% 57%;
}
Gradient
.gradient-2a5afa {
  background: linear-gradient(135deg, #2a5afa, #622afa);
}
Colored shadow
.shadow-2a5afa {
  box-shadow: 0 8px 24px rgb(42 90 250 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.80 #4169e1 Royal Blue ΔE 5.33 #6050dc Majorelle Blue ΔE 6.91 #5a4fcf Iris ΔE 7.56 #0070ff Brandeis Blue ΔE 7.78 #6a5acd Slate Blue ΔE 8.44 #1560bd Denim ΔE 9.33 #d5a505 Inverted #6b6b6b Grayscale 

Ultramarine Blue
#2a5afa  rgb(42, 90, 250)  hsl(226, 95%, 57%)  Ultramarine Blue
#faca2a  rgb(250, 202, 42)  hsl(46, 95%, 57%)  Sunglow
#fa2a5a  rgb(250, 42, 90)  hsl(346, 95%, 57%)  Folly
#5afa2a  rgb(90, 250, 42)  hsl(106, 95%, 57%)  Harlequin