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#2157EA

#2157ea ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#2157ea is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 34.12% green and 91.76% blue; printed in CMYK it uses 85.9% cyan, 62.82% magenta, 0% yellow and 8.24% black. Its hue angle is 223.88°, 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 5.81:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 5.47.

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 luminance0.1308

Complementary

  1. #2157ea
  2. #eab421

Split complementary

  1. #2157ea
  2. #ea4f21
  3. #bcea21

Analogous

  1. #21bcea
  2. #2157ea
  3. #4f21ea

Triadic

  1. #2157ea
  2. #ea2157
  3. #57ea21

Tetradic

  1. #2157ea
  2. #b421ea
  3. #eab421
  4. #57ea21

Square

  1. #2157ea
  2. #ea21bc
  3. #eab421
  4. #21ea4f

Monochromatic

  1. #0a2368
  2. #103bae
  3. #2157ea
  4. #678cf1
  5. #adc1f7

Shades

#2157ea mixed progressively with black.

  1. #2157ea
  2. #1e4ed3
  3. #1a46bb
  4. #173da4
  5. #14348c
  6. #112c75
  7. #0d235e
  8. #0a1a46
  9. #07112f
  10. #030917
  11. #000000

Tints

#2157ea mixed progressively with white.

  1. #2157ea
  2. #3768ec
  3. #4d79ee
  4. #6489f0
  5. #7a9af2
  6. #90abf5
  7. #a6bcf7
  8. #bccdf9
  9. #d3ddfb
  10. #e9eefd
  11. #ffffff

Tones

#2157ea mixed progressively with gray.

  1. #2157ea
  2. #2b5bdf
  3. #345fd5
  4. #3e63ca
  5. #4767c0
  6. #516cb5
  7. #5a70aa
  8. #6474a0
  9. #6d7895
  10. #777c8b
  11. #808080

Readable text 5.81:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.62:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #656565 ≈ 0.003% of males
Achromatomaly #5260ab ≈ 0.001% of males
Protanopia #006fef ≈ 1.01% of males
Deuteranopia #005ce7 ≈ 1.27% of males
Tritanopia #007e98 ≈ 0.0001% of males
Protanomaly #0066ed ≈ 1.08% of males
Deuteranomaly #005ae8 ≈ 4.63% of males
Tritanomaly #0070bf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-2157ea {
  color: #2157ea;
}
Background
.bg-2157ea {
  background-color: #2157ea;
  color: #ffffff;
}
Border
.border-2157ea {
  border: 2px solid #2157ea;
}
CSS variables
:root {
  --color-primary: #2157ea;
  --color-primary-rgb: 33 87 234;
  --color-primary-hsl: 224 83% 52%;
}
Gradient
.gradient-2157ea {
  background: linear-gradient(135deg, #2157ea, #4f21ea);
}
Colored shadow
.shadow-2157ea {
  box-shadow: 0 8px 24px rgb(33 87 234 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 5.47 #4169e1 Royal Blue ΔE 5.85 #5a4fcf Iris ΔE 6.85 #6050dc Majorelle Blue ΔE 6.91 #0f52ba Sapphire ΔE 6.93 #1560bd Denim ΔE 7.66 #6a5acd Slate Blue ΔE 8.51 #dea815 Inverted #656565 Grayscale 

Ultramarine Blue
#2157ea  rgb(33, 87, 234)  hsl(224, 83%, 52%)  Ultramarine Blue
#eab421  rgb(234, 180, 33)  hsl(44, 83%, 52%)  Meat Brown
#ea2157  rgb(234, 33, 87)  hsl(344, 83%, 52%)  Amaranth
#57ea21  rgb(87, 234, 33)  hsl(104, 83%, 52%)  Neon Green