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#155DEE

#155dee ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#155dee is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 8.24% red, 36.47% green and 93.33% blue; printed in CMYK it uses 91.18% cyan, 60.92% magenta, 0% yellow and 6.67% black. Its hue angle is 220.09°, with 86.45% saturation and 50.78% 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 5.48:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 4.14.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0066ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1416

Complementary

  1. #155dee
  2. #eea615

Split complementary

  1. #155dee
  2. #ee3915
  3. #c9ee15

Analogous

  1. #15c9ee
  2. #155dee
  3. #3915ee

Triadic

  1. #155dee
  2. #ee155d
  3. #5dee15

Tetradic

  1. #155dee
  2. #a615ee
  3. #eea615
  4. #5dee15

Square

  1. #155dee
  2. #ee15c9
  3. #eea615
  4. #15ee39

Monochromatic

  1. #072663
  2. #0c41aa
  3. #155dee
  4. #5c8ef3
  5. #a4c0f8

Shades

#155dee mixed progressively with black.

  1. #155dee
  2. #1354d6
  3. #114abe
  4. #0f41a7
  5. #0d388f
  6. #0b2f77
  7. #08255f
  8. #061c47
  9. #041330
  10. #020918
  11. #000000

Tints

#155dee mixed progressively with white.

  1. #155dee
  2. #2c6df0
  3. #447df1
  4. #5b8ef3
  5. #739ef5
  6. #8aaef7
  7. #a1bef8
  8. #b9cefa
  9. #d0dffc
  10. #e8effd
  11. #ffffff

Tones

#155dee mixed progressively with gray.

  1. #155dee
  2. #2061e3
  3. #2a64d8
  4. #3568cd
  5. #406bc2
  6. #4b6fb7
  7. #5572ac
  8. #6076a1
  9. #6b7996
  10. #757d8b
  11. #808080

Readable text 5.48:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.83:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #696969 ≈ 0.003% of males
Achromatomaly #5464af ≈ 0.001% of males
Protanopia #0073f3 ≈ 1.01% of males
Deuteranopia #0060eb ≈ 1.27% of males
Tritanopia #00839d ≈ 0.0001% of males
Protanomaly #006bf1 ≈ 1.08% of males
Deuteranomaly #005fec ≈ 4.63% of males
Tritanomaly #0076c3 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-155dee {
  color: #155dee;
}
Background
.bg-155dee {
  background-color: #155dee;
  color: #ffffff;
}
Border
.border-155dee {
  border: 2px solid #155dee;
}
CSS variables
:root {
  --color-primary: #155dee;
  --color-primary-rgb: 21 93 238;
  --color-primary-hsl: 220 86% 51%;
}
Gradient
.gradient-155dee {
  background: linear-gradient(135deg, #155dee, #3915ee);
}
Colored shadow
.shadow-155dee {
  box-shadow: 0 8px 24px rgb(21 93 238 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 4.14 #4169e1 Royal Blue ΔE 4.26 #0070ff Brandeis Blue ΔE 6.87 #1560bd Denim ΔE 6.88 #0f52ba Sapphire ΔE 7.57 #6050dc Majorelle Blue ΔE 8.42 #5a4fcf Iris ΔE 8.51 #eaa211 Inverted #696969 Grayscale 

Ultramarine Blue
#155dee  rgb(21, 93, 238)  hsl(220, 86%, 51%)  Ultramarine Blue
#eea615  rgb(238, 166, 21)  hsl(40, 86%, 51%)  Marigold
#ee155d  rgb(238, 21, 93)  hsl(340, 86%, 51%)  Raspberry
#5dee15  rgb(93, 238, 21)  hsl(100, 86%, 51%)  Harlequin