ColorTool
Log in
#2159EA

#2159ea ≈ Ultramarine Blue

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

#2159ea is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 34.9% green and 91.76% blue; printed in CMYK it uses 85.9% cyan, 61.97% magenta, 0% yellow and 8.24% black. Its hue angle is 223.28°, with 82.72% saturation and 52.35% 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 5.7:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 4.98.

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 luminance0.1341

Complementary

  1. #2159ea
  2. #eab221

Split complementary

  1. #2159ea
  2. #ea4d21
  3. #beea21

Analogous

  1. #21beea
  2. #2159ea
  3. #4d21ea

Triadic

  1. #2159ea
  2. #ea2159
  3. #59ea21

Tetradic

  1. #2159ea
  2. #b221ea
  3. #eab221
  4. #59ea21

Square

  1. #2159ea
  2. #ea21be
  3. #eab221
  4. #21ea4d

Monochromatic

  1. #0a2468
  2. #103cae
  3. #2159ea
  4. #678df1
  5. #adc2f7

Shades

#2159ea mixed progressively with black.

  1. #2159ea
  2. #1e50d3
  3. #1a47bb
  4. #173ea4
  5. #14358c
  6. #112d75
  7. #0d245e
  8. #0a1b46
  9. #07122f
  10. #030917
  11. #000000

Tints

#2159ea mixed progressively with white.

  1. #2159ea
  2. #376aec
  3. #4d7aee
  4. #648bf0
  5. #7a9bf2
  6. #90acf5
  7. #a6bdf7
  8. #bccdf9
  9. #d3defb
  10. #e9eefd
  11. #ffffff

Tones

#2159ea mixed progressively with gray.

  1. #2159ea
  2. #2b5ddf
  3. #3461d5
  4. #3e65ca
  5. #4769c0
  6. #516db5
  7. #5a70aa
  8. #6474a0
  9. #6d7895
  10. #777c8b
  11. #808080

Readable text 5.7:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.68:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #666666 ≈ 0.003% of males
Achromatomaly #5361ab ≈ 0.001% of males
Protanopia #0070ef ≈ 1.01% of males
Deuteranopia #005de7 ≈ 1.27% of males
Tritanopia #007f99 ≈ 0.0001% of males
Protanomaly #0068ed ≈ 1.08% of males
Deuteranomaly #005ce8 ≈ 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-2159ea {
  color: #2159ea;
}
Background
.bg-2159ea {
  background-color: #2159ea;
  color: #ffffff;
}
Border
.border-2159ea {
  border: 2px solid #2159ea;
}
CSS variables
:root {
  --color-primary: #2159ea;
  --color-primary-rgb: 33 89 234;
  --color-primary-hsl: 223 83% 52%;
}
Gradient
.gradient-2159ea {
  background: linear-gradient(135deg, #2159ea, #4d21ea);
}
Colored shadow
.shadow-2159ea {
  box-shadow: 0 8px 24px rgb(33 89 234 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 4.98 #4169e1 Royal Blue ΔE 5.27 #0f52ba Sapphire ΔE 7.01 #5a4fcf Iris ΔE 7.24 #6050dc Majorelle Blue ΔE 7.26 #1560bd Denim ΔE 7.32 #0070ff Brandeis Blue ΔE 8.32 #dea615 Inverted #666666 Grayscale 

Ultramarine Blue
#2159ea  rgb(33, 89, 234)  hsl(223, 83%, 52%)  Ultramarine Blue
#eab221  rgb(234, 178, 33)  hsl(43, 83%, 52%)  Meat Brown
#ea2159  rgb(234, 33, 89)  hsl(343, 83%, 52%)  Amaranth
#59ea21  rgb(89, 234, 33)  hsl(103, 83%, 52%)  Neon Green