ColorTool
Log in
#1B59EA

#1b59ea ≈ Ultramarine Blue

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

#1b59ea is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 10.59% red, 34.9% green and 91.76% blue; printed in CMYK it uses 88.46% cyan, 61.97% magenta, 0% yellow and 8.24% black. Its hue angle is 222.03°, with 83.13% saturation and 51.18% 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 5.73:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 5.12.

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 luminance0.1332

Complementary

  1. #1b59ea
  2. #eaac1b

Split complementary

  1. #1b59ea
  2. #ea451b
  3. #c0ea1b

Analogous

  1. #1bc0ea
  2. #1b59ea
  3. #451bea

Triadic

  1. #1b59ea
  2. #ea1b59
  3. #59ea1b

Tetradic

  1. #1b59ea
  2. #ac1bea
  3. #eaac1b
  4. #59ea1b

Square

  1. #1b59ea
  2. #ea1bc0
  3. #eaac1b
  4. #1bea45

Monochromatic

  1. #092463
  2. #103ea9
  3. #1b59ea
  4. #618cf0
  5. #a7bff7

Shades

#1b59ea mixed progressively with black.

  1. #1b59ea
  2. #1850d3
  3. #1647bb
  4. #133ea4
  5. #10358c
  6. #0e2d75
  7. #0b245e
  8. #081b46
  9. #05122f
  10. #030917
  11. #000000

Tints

#1b59ea mixed progressively with white.

  1. #1b59ea
  2. #326aec
  3. #497aee
  4. #5f8bf0
  5. #769bf2
  6. #8dacf5
  7. #a4bdf7
  8. #bbcdf9
  9. #d1defb
  10. #e8eefd
  11. #ffffff

Tones

#1b59ea mixed progressively with gray.

  1. #1b59ea
  2. #255ddf
  3. #2f61d5
  4. #3965ca
  5. #4369c0
  6. #4e6db5
  7. #5870aa
  8. #6274a0
  9. #6c7895
  10. #767c8b
  11. #808080

Readable text 5.73:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.66:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #666666 ≈ 0.003% of males
Achromatomaly #5261ab ≈ 0.001% of males
Protanopia #0070ef ≈ 1.01% of males
Deuteranopia #005de7 ≈ 1.27% of males
Tritanopia #007f99 ≈ 0.0001% of males
Protanomaly #0067ed ≈ 1.08% of males
Deuteranomaly #005be8 ≈ 4.63% of males
Tritanomaly #0072bf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1b59ea {
  color: #1b59ea;
}
Background
.bg-1b59ea {
  background-color: #1b59ea;
  color: #ffffff;
}
Border
.border-1b59ea {
  border: 2px solid #1b59ea;
}
CSS variables
:root {
  --color-primary: #1b59ea;
  --color-primary-rgb: 27 89 234;
  --color-primary-hsl: 222 83% 51%;
}
Gradient
.gradient-1b59ea {
  background: linear-gradient(135deg, #1b59ea, #451bea);
}
Colored shadow
.shadow-1b59ea {
  box-shadow: 0 8px 24px rgb(27 89 234 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 5.12 #4169e1 Royal Blue ΔE 5.31 #0f52ba Sapphire ΔE 6.85 #1560bd Denim ΔE 7.11 #5a4fcf Iris ΔE 7.46 #6050dc Majorelle Blue ΔE 7.53 #0070ff Brandeis Blue ΔE 8.28 #e4a615 Inverted #666666 Grayscale 

Ultramarine Blue
#1b59ea  rgb(27, 89, 234)  hsl(222, 83%, 51%)  Ultramarine Blue
#eaac1b  rgb(234, 172, 27)  hsl(42, 83%, 51%)  Goldenrod
#ea1b59  rgb(234, 27, 89)  hsl(342, 83%, 51%)  Raspberry
#59ea1b  rgb(89, 234, 27)  hsl(102, 83%, 51%)  Harlequin