ColorTool
Log in
#151EB4

#151eb4 ≈ Zaffre

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

#151eb4 is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 8.24% red, 11.76% green and 70.59% blue; printed in CMYK it uses 88.33% cyan, 83.33% magenta, 0% yellow and 29.41% black. Its hue angle is 236.6°, with 79.1% saturation and 39.41% 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 brand accents. White text on this color reaches a contrast ratio of 11.19:1 (WCAG AAA). The closest named color is Zaffre (#0014a8), ΔE 2.63.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0033cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0438

Complementary

  1. #151eb4
  2. #b4ab15

Split complementary

  1. #151eb4
  2. #b45b15
  3. #6eb415

Analogous

  1. #156eb4
  2. #151eb4
  3. #5b15b4

Triadic

  1. #151eb4
  2. #b4151e
  3. #1eb415

Tetradic

  1. #151eb4
  2. #ab15b4
  3. #b4ab15
  4. #1eb415

Square

  1. #151eb4
  2. #b4156e
  3. #b4ab15
  4. #15b45b

Monochromatic

  1. #05072b
  2. #0d136f
  3. #151eb4
  4. #2f39e7
  5. #737aef

Shades

#151eb4 mixed progressively with black.

  1. #151eb4
  2. #131ba2
  3. #111890
  4. #0f157e
  5. #0d126c
  6. #0b0f5a
  7. #080c48
  8. #060936
  9. #040624
  10. #020312
  11. #000000

Tints

#151eb4 mixed progressively with white.

  1. #151eb4
  2. #2c35bc
  3. #444bc3
  4. #5b62cb
  5. #7378d2
  6. #8a8fda
  7. #a1a5e1
  8. #b9bce9
  9. #d0d2f0
  10. #e8e9f8
  11. #ffffff

Tones

#151eb4 mixed progressively with gray.

  1. #151eb4
  2. #2028af
  3. #2a32aa
  4. #353ba4
  5. #40459f
  6. #4b4f9a
  7. #555995
  8. #606390
  9. #6b6c8a
  10. #757685
  11. #808080

Readable text 11.19:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.88:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #3b3b3b ≈ 0.003% of males
Achromatomaly #30327e ≈ 0.001% of males
Protanopia #0043b8 ≈ 1.01% of males
Deuteranopia #0032b2 ≈ 1.27% of males
Tritanopia #004f6b ≈ 0.0001% of males
Protanomaly #0038b6 ≈ 1.08% of males
Deuteranomaly #002cb3 ≈ 4.63% of males
Tritanomaly #00418e ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-151eb4 {
  color: #151eb4;
}
Background
.bg-151eb4 {
  background-color: #151eb4;
  color: #ffffff;
}
Border
.border-151eb4 {
  border: 2px solid #151eb4;
}
CSS variables
:root {
  --color-primary: #151eb4;
  --color-primary-rgb: 21 30 180;
  --color-primary-hsl: 237 79% 39%;
}
Gradient
.gradient-151eb4 {
  background: linear-gradient(135deg, #151eb4, #5b15b4);
}
Colored shadow
.shadow-151eb4 {
  box-shadow: 0 8px 24px rgb(21 30 180 / 0.35);
}

#0014a8 Zaffre ΔE 2.63 #0000cd Medium Blue ΔE 3.84 #002395 Imperial Blue ΔE 4.74 #1034a6 Egyptian Blue ΔE 5.92 #1c39bb Persian Blue ΔE 6.44 #000f89 Phthalo Blue ΔE 6.73 #003399 Smalt ΔE 7.27 #eae14b Inverted #3b3b3b Grayscale 

Zaffre
#151eb4  rgb(21, 30, 180)  hsl(237, 79%, 39%)  Zaffre
#b4ab15  rgb(180, 171, 21)  hsl(57, 79%, 39%)  Brass
#b4151e  rgb(180, 21, 30)  hsl(357, 79%, 39%)  Firebrick
#1eb415  rgb(30, 180, 21)  hsl(117, 79%, 39%)  Kelly Green