ColorTool
Log in
#3556EA

#3556ea ≈ Ultramarine Blue

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

#3556ea is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 20.78% red, 33.73% green and 91.76% blue; printed in CMYK it uses 77.35% cyan, 63.25% magenta, 0% yellow and 8.24% black. Its hue angle is 229.06°, with 81.17% saturation and 56.27% 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 5.72:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 5.38.

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 luminance0.1335

Complementary

  1. #3556ea
  2. #eac935

Split complementary

  1. #3556ea
  2. #ea6e35
  3. #b0ea35

Analogous

  1. #35b0ea
  2. #3556ea
  3. #6e35ea

Triadic

  1. #3556ea
  2. #ea3556
  3. #56ea35

Tetradic

  1. #3556ea
  2. #c935ea
  3. #eac935
  4. #56ea35

Square

  1. #3556ea
  2. #ea35b0
  3. #eac935
  4. #35ea6e

Monochromatic

  1. #0d2079
  2. #1433bf
  3. #3556ea
  4. #7a90f1
  5. #c0caf8

Shades

#3556ea mixed progressively with black.

  1. #3556ea
  2. #304dd3
  3. #2a45bb
  4. #253ca4
  5. #20348c
  6. #1b2b75
  7. #15225e
  8. #101a46
  9. #0b112f
  10. #050917
  11. #000000

Tints

#3556ea mixed progressively with white.

  1. #3556ea
  2. #4967ec
  3. #5d78ee
  4. #7289f0
  5. #869af2
  6. #9aabf5
  7. #aebbf7
  8. #c2ccf9
  9. #d7ddfb
  10. #ebeefd
  11. #ffffff

Tones

#3556ea mixed progressively with gray.

  1. #3556ea
  2. #3d5adf
  3. #445ed5
  4. #4c63ca
  5. #5367c0
  6. #5b6bb5
  7. #626faa
  8. #6a73a0
  9. #717895
  10. #797c8b
  11. #808080

Readable text 5.72:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.67:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #666666 ≈ 0.003% of males
Achromatomaly #5760ab ≈ 0.001% of males
Protanopia #006fef ≈ 1.01% of males
Deuteranopia #005ee7 ≈ 1.27% of males
Tritanopia #007d98 ≈ 0.0001% of males
Protanomaly #0066ed ≈ 1.08% of males
Deuteranomaly #005be8 ≈ 4.63% of males
Tritanomaly #006fbe ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3556ea {
  color: #3556ea;
}
Background
.bg-3556ea {
  background-color: #3556ea;
  color: #ffffff;
}
Border
.border-3556ea {
  border: 2px solid #3556ea;
}
CSS variables
:root {
  --color-primary: #3556ea;
  --color-primary-rgb: 53 86 234;
  --color-primary-hsl: 229 81% 56%;
}
Gradient
.gradient-3556ea {
  background: linear-gradient(135deg, #3556ea, #6e35ea);
}
Colored shadow
.shadow-3556ea {
  box-shadow: 0 8px 24px rgb(53 86 234 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 5.38 #6050dc Majorelle Blue ΔE 5.51 #5a4fcf Iris ΔE 5.68 #4169e1 Royal Blue ΔE 6.16 #6a5acd Slate Blue ΔE 7.32 #0f52ba Sapphire ΔE 7.83 #1560bd Denim ΔE 8.83 #caa915 Inverted #666666 Grayscale 

Ultramarine Blue
#3556ea  rgb(53, 86, 234)  hsl(229, 81%, 56%)  Ultramarine Blue
#eac935  rgb(234, 201, 53)  hsl(49, 81%, 56%)  Jonquil
#ea3556  rgb(234, 53, 86)  hsl(349, 81%, 56%)  Amaranth
#56ea35  rgb(86, 234, 53)  hsl(109, 81%, 56%)  Neon Green