ColorTool
Log in
#151BC4

#151bc4 ≈ Medium Blue

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

#151bc4 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 8.24% red, 10.59% green and 76.86% blue; printed in CMYK it uses 89.29% cyan, 86.22% magenta, 0% yellow and 23.14% black. Its hue angle is 237.94°, with 80.65% saturation and 42.55% 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 10.58:1 (WCAG AAA). The closest named color is Medium Blue (#0000cd), ΔE 2.53.

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 luminance0.0493

Complementary

  1. #151bc4
  2. #c4be15

Split complementary

  1. #151bc4
  2. #c46615
  3. #73c415

Analogous

  1. #1573c4
  2. #151bc4
  3. #6615c4

Triadic

  1. #151bc4
  2. #c4151b
  3. #1bc415

Tetradic

  1. #151bc4
  2. #be15c4
  3. #c4be15
  4. #1bc415

Square

  1. #151bc4
  2. #c41573
  3. #c4be15
  4. #15c466

Monochromatic

  1. #06083a
  2. #0e117f
  3. #151bc4
  4. #3b41ea
  5. #8184f1

Shades

#151bc4 mixed progressively with black.

  1. #151bc4
  2. #1318b0
  3. #11169d
  4. #0f1389
  5. #0d1076
  6. #0b0e62
  7. #080b4e
  8. #06083b
  9. #040527
  10. #020314
  11. #000000

Tints

#151bc4 mixed progressively with white.

  1. #151bc4
  2. #2c32ca
  3. #4449d0
  4. #5b5fd6
  5. #7376dc
  6. #8a8de2
  7. #a1a4e7
  8. #b9bbed
  9. #d0d1f3
  10. #e8e8f9
  11. #ffffff

Tones

#151bc4 mixed progressively with gray.

  1. #151bc4
  2. #2025bd
  3. #2a2fb6
  4. #3539b0
  5. #4043a9
  6. #4b4ea2
  7. #55589b
  8. #606294
  9. #6b6c8e
  10. #757687
  11. #808080

Readable text 10.58:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.99:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #3f3f3f ≈ 0.003% of males
Achromatomaly #333489 ≈ 0.001% of males
Protanopia #0048c8 ≈ 1.01% of males
Deuteranopia #0035c1 ≈ 1.27% of males
Tritanopia #005574 ≈ 0.0001% of males
Protanomaly #003ac7 ≈ 1.08% of males
Deuteranomaly #002dc2 ≈ 4.63% of males
Tritanomaly #00459b ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-151bc4 {
  color: #151bc4;
}
Background
.bg-151bc4 {
  background-color: #151bc4;
  color: #ffffff;
}
Border
.border-151bc4 {
  border: 2px solid #151bc4;
}
CSS variables
:root {
  --color-primary: #151bc4;
  --color-primary-rgb: 21 27 196;
  --color-primary-hsl: 238 81% 43%;
}
Gradient
.gradient-151bc4 {
  background: linear-gradient(135deg, #151bc4, #6615c4);
}
Colored shadow
.shadow-151bc4 {
  box-shadow: 0 8px 24px rgb(21 27 196 / 0.35);
}

#0000cd Medium Blue ΔE 2.53 #0014a8 Zaffre ΔE 4.18 #1c39bb Persian Blue ΔE 6.58 #0000ff Blue ΔE 6.67 #002395 Imperial Blue ΔE 6.72 #1034a6 Egyptian Blue ΔE 7.01 #3f00ff Ultramarine ΔE 7.98 #eae43b Inverted #3f3f3f Grayscale 

Medium Blue
#151bc4  rgb(21, 27, 196)  hsl(238, 81%, 43%)  Medium Blue
#c4be15  rgb(196, 190, 21)  hsl(58, 81%, 43%)  Old Gold
#c4151b  rgb(196, 21, 27)  hsl(358, 81%, 43%)  Venetian Red
#1bc415  rgb(27, 196, 21)  hsl(118, 81%, 43%)  Lime Green