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#1B5AEB

#1b5aeb ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#1b5aeb is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 10.59% red, 35.29% green and 92.16% blue; printed in CMYK it uses 88.51% cyan, 61.7% magenta, 0% yellow and 7.84% black. Its hue angle is 221.83°, with 83.87% saturation and 51.37% 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 5.66:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 4.83.

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 luminance0.1354

Complementary

  1. #1b5aeb
  2. #ebac1b

Split complementary

  1. #1b5aeb
  2. #eb441b
  3. #c2eb1b

Analogous

  1. #1bc2eb
  2. #1b5aeb
  3. #441beb

Triadic

  1. #1b5aeb
  2. #eb1b5a
  3. #5aeb1b

Tetradic

  1. #1b5aeb
  2. #ac1beb
  3. #ebac1b
  4. #5aeb1b

Square

  1. #1b5aeb
  2. #eb1bc2
  3. #ebac1b
  4. #1beb44

Monochromatic

  1. #092464
  2. #0f3eab
  3. #1b5aeb
  4. #618df1
  5. #a8c0f7

Shades

#1b5aeb mixed progressively with black.

  1. #1b5aeb
  2. #1851d4
  3. #1648bc
  4. #133fa5
  5. #10368d
  6. #0e2d76
  7. #0b245e
  8. #081b47
  9. #05122f
  10. #030918
  11. #000000

Tints

#1b5aeb mixed progressively with white.

  1. #1b5aeb
  2. #326bed
  3. #497bef
  4. #5f8cf1
  5. #769cf3
  6. #8dadf5
  7. #a4bdf7
  8. #bbcef9
  9. #d1defb
  10. #e8effd
  11. #ffffff

Tones

#1b5aeb mixed progressively with gray.

  1. #1b5aeb
  2. #255ee0
  3. #2f62d6
  4. #3965cb
  5. #4369c0
  6. #4e6db6
  7. #5871ab
  8. #6275a0
  9. #6c7895
  10. #767c8b
  11. #808080

Readable text 5.66:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.71:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #676767 ≈ 0.003% of males
Achromatomaly #5362ac ≈ 0.001% of males
Protanopia #0071f0 ≈ 1.01% of males
Deuteranopia #005ee8 ≈ 1.27% of males
Tritanopia #00809a ≈ 0.0001% of males
Protanomaly #0068ee ≈ 1.08% of males
Deuteranomaly #005ce9 ≈ 4.63% of males
Tritanomaly #0073c0 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1b5aeb {
  color: #1b5aeb;
}
Background
.bg-1b5aeb {
  background-color: #1b5aeb;
  color: #ffffff;
}
Border
.border-1b5aeb {
  border: 2px solid #1b5aeb;
}
CSS variables
:root {
  --color-primary: #1b5aeb;
  --color-primary-rgb: 27 90 235;
  --color-primary-hsl: 222 84% 51%;
}
Gradient
.gradient-1b5aeb {
  background: linear-gradient(135deg, #1b5aeb, #441beb);
}
Colored shadow
.shadow-1b5aeb {
  box-shadow: 0 8px 24px rgb(27 90 235 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 4.83 #4169e1 Royal Blue ΔE 5.02 #0f52ba Sapphire ΔE 7.04 #1560bd Denim ΔE 7.07 #5a4fcf Iris ΔE 7.67 #6050dc Majorelle Blue ΔE 7.68 #0070ff Brandeis Blue ΔE 7.94 #e4a514 Inverted #676767 Grayscale 

Ultramarine Blue
#1b5aeb  rgb(27, 90, 235)  hsl(222, 84%, 51%)  Ultramarine Blue
#ebac1b  rgb(235, 172, 27)  hsl(42, 84%, 51%)  Goldenrod
#eb1b5a  rgb(235, 27, 90)  hsl(342, 84%, 51%)  Raspberry
#5aeb1b  rgb(90, 235, 27)  hsl(102, 84%, 51%)  Harlequin