ColorTool
Log in
#3741EA

#3741ea ≈ Iris

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

#3741ea is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 21.57% red, 25.49% green and 91.76% blue; printed in CMYK it uses 76.5% cyan, 72.22% magenta, 0% yellow and 8.24% black. Its hue angle is 236.65°, with 81% saturation and 56.67% 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 6.76:1 (WCAG AA). The closest named color is Iris (#5a4fcf), ΔE 5.4.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1053

Complementary

  1. #3741ea
  2. #eae037

Split complementary

  1. #3741ea
  2. #ea8737
  3. #9bea37

Analogous

  1. #379bea
  2. #3741ea
  3. #8737ea

Triadic

  1. #3741ea
  2. #ea3741
  3. #41ea37

Tetradic

  1. #3741ea
  2. #e037ea
  3. #eae037
  4. #41ea37

Square

  1. #3741ea
  2. #ea379b
  3. #eae037
  4. #37ea87

Monochromatic

  1. #0d137b
  2. #141ec0
  3. #3741ea
  4. #7c83f1
  5. #c1c5f9

Shades

#3741ea mixed progressively with black.

  1. #3741ea
  2. #323bd3
  3. #2c34bb
  4. #272ea4
  5. #21278c
  6. #1c2175
  7. #161a5e
  8. #111446
  9. #0b0d2f
  10. #060717
  11. #000000

Tints

#3741ea mixed progressively with white.

  1. #3741ea
  2. #4b54ec
  3. #5f67ee
  4. #737af0
  5. #878df2
  6. #9ba0f5
  7. #afb3f7
  8. #c3c6f9
  9. #d7d9fb
  10. #ebecfd
  11. #ffffff

Tones

#3741ea mixed progressively with gray.

  1. #3741ea
  2. #3e47df
  3. #464ed5
  4. #4d54ca
  5. #545ac0
  6. #5c61b5
  7. #6367aa
  8. #6a6da0
  9. #717395
  10. #797a8b
  11. #808080

Readable text 6.76:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.11:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #5b5b5b ≈ 0.003% of males
Achromatomaly #4f52a8 ≈ 0.001% of males
Protanopia #0064ef ≈ 1.01% of males
Deuteranopia #0052e7 ≈ 1.27% of males
Tritanopia #007292 ≈ 0.0001% of males
Protanomaly #0058ed ≈ 1.08% of males
Deuteranomaly #004ce8 ≈ 4.63% of males
Tritanomaly #0062bc ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-3741ea {
  color: #3741ea;
}
Background
.bg-3741ea {
  background-color: #3741ea;
  color: #ffffff;
}
Border
.border-3741ea {
  border: 2px solid #3741ea;
}
CSS variables
:root {
  --color-primary: #3741ea;
  --color-primary-rgb: 55 65 234;
  --color-primary-hsl: 237 81% 57%;
}
Gradient
.gradient-3741ea {
  background: linear-gradient(135deg, #3741ea, #8737ea);
}
Colored shadow
.shadow-3741ea {
  box-shadow: 0 8px 24px rgb(55 65 234 / 0.35);
}

#5a4fcf Iris ΔE 5.40 #6050dc Majorelle Blue ΔE 5.56 #5218fa Han Purple ΔE 6.57 #4f42b5 Ocean Blue ΔE 6.88 #1c39bb Persian Blue ΔE 7.23 #3f00ff Ultramarine ΔE 7.62 #0000ff Blue ΔE 8.16 #c8be15 Inverted #5b5b5b Grayscale 

Iris
#3741ea  rgb(55, 65, 234)  hsl(237, 81%, 57%)  Iris
#eae037  rgb(234, 224, 55)  hsl(57, 81%, 57%)  Dandelion
#ea3741  rgb(234, 55, 65)  hsl(357, 81%, 57%)  Tractor Red
#41ea37  rgb(65, 234, 55)  hsl(117, 81%, 57%)  Neon Green