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#155FF0

#155ff0 ≈ Ultramarine Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#155ff0 is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 8.24% red, 37.25% green and 94.12% blue; printed in CMYK it uses 91.25% cyan, 60.42% magenta, 0% yellow and 5.88% black. Its hue angle is 219.73°, with 87.95% saturation and 51.18% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. 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 5.35:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.65.

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 luminance0.1464

Complementary

  1. #155ff0
  2. #f0a615

Split complementary

  1. #155ff0
  2. #f03915
  3. #ccf015

Analogous

  1. #15ccf0
  2. #155ff0
  3. #3915f0

Triadic

  1. #155ff0
  2. #f0155f
  3. #5ff015

Tetradic

  1. #155ff0
  2. #a615f0
  3. #f0a615
  4. #5ff015

Square

  1. #155ff0
  2. #f015cc
  3. #f0a615
  4. #15f039

Monochromatic

  1. #072766
  2. #0b42ad
  3. #155ff0
  4. #5d90f5
  5. #a5c1f9

Shades

#155ff0 mixed progressively with black.

  1. #155ff0
  2. #1356d8
  3. #114cc0
  4. #0f43a8
  5. #0d3990
  6. #0b3078
  7. #082660
  8. #061d48
  9. #041330
  10. #020a18
  11. #000000

Tints

#155ff0 mixed progressively with white.

  1. #155ff0
  2. #2c6ff2
  3. #447ff3
  4. #5b8ff5
  5. #739ff6
  6. #8aaff8
  7. #a1bff9
  8. #b9cffb
  9. #d0dffc
  10. #e8effe
  11. #ffffff

Tones

#155ff0 mixed progressively with gray.

  1. #155ff0
  2. #2062e5
  3. #2a66da
  4. #3569ce
  5. #406cc3
  6. #4b70b8
  7. #5573ad
  8. #6076a2
  9. #6b7996
  10. #757d8b
  11. #808080

Readable text 5.35:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.93:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6b6b6b ≈ 0.003% of males
Achromatomaly #5566b0 ≈ 0.001% of males
Protanopia #0075f5 ≈ 1.01% of males
Deuteranopia #0061ed ≈ 1.27% of males
Tritanopia #00859e ≈ 0.0001% of males
Protanomaly #006df3 ≈ 1.08% of males
Deuteranomaly #0060ee ≈ 4.63% of males
Tritanomaly #0078c4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-155ff0 {
  color: #155ff0;
}
Background
.bg-155ff0 {
  background-color: #155ff0;
  color: #ffffff;
}
Border
.border-155ff0 {
  border: 2px solid #155ff0;
}
CSS variables
:root {
  --color-primary: #155ff0;
  --color-primary-rgb: 21 95 240;
  --color-primary-hsl: 220 88% 51%;
}
Gradient
.gradient-155ff0 {
  background: linear-gradient(135deg, #155ff0, #3915f0);
}
Colored shadow
.shadow-155ff0 {
  box-shadow: 0 8px 24px rgb(21 95 240 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.65 #4169e1 Royal Blue ΔE 3.77 #0070ff Brandeis Blue ΔE 6.16 #1560bd Denim ΔE 6.96 #0f52ba Sapphire ΔE 8.06 #6050dc Majorelle Blue ΔE 8.82 #5a4fcf Iris ΔE 9.00 #eaa00f Inverted #6b6b6b Grayscale 

Ultramarine Blue
#155ff0  rgb(21, 95, 240)  hsl(220, 88%, 51%)  Ultramarine Blue
#f0a615  rgb(240, 166, 21)  hsl(40, 88%, 51%)  Marigold
#f0155f  rgb(240, 21, 95)  hsl(340, 88%, 51%)  Cerise
#5ff015  rgb(95, 240, 21)  hsl(100, 88%, 51%)  Harlequin