ColorTool
Log in
#154BB2

#154bb2 ≈ Cobalt Blue

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

#154bb2 is a color from the azure family, with low lightness and strong saturation. In the RGB model it is made of 8.24% red, 29.41% green and 69.8% blue; printed in CMYK it uses 88.2% cyan, 57.87% magenta, 0% yellow and 30.2% black. Its hue angle is 219.36°, with 78.89% saturation and 39.02% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and brand accents. White text on this color reaches a contrast ratio of 7.83:1 (WCAG AAA). The closest named color is Cobalt Blue (#0047ab), ΔE 1.68.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#003399
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0841

Complementary

  1. #154bb2
  2. #b27c15

Split complementary

  1. #154bb2
  2. #b22d15
  3. #9ab215

Analogous

  1. #159ab2
  2. #154bb2
  3. #2d15b2

Triadic

  1. #154bb2
  2. #b2154b
  3. #4bb215

Tetradic

  1. #154bb2
  2. #7c15b2
  3. #b27c15
  4. #4bb215

Square

  1. #154bb2
  2. #b2159a
  3. #b27c15
  4. #15b22d

Monochromatic

  1. #051129
  2. #0d2e6e
  3. #154bb2
  4. #2d6de6
  5. #729dee

Shades

#154bb2 mixed progressively with black.

  1. #154bb2
  2. #1344a0
  3. #113c8e
  4. #0f357d
  5. #0d2d6b
  6. #0b2659
  7. #081e47
  8. #061735
  9. #040f24
  10. #020812
  11. #000000

Tints

#154bb2 mixed progressively with white.

  1. #154bb2
  2. #2c5dba
  3. #446fc1
  4. #5b81c9
  5. #7393d1
  6. #8aa5d9
  7. #a1b7e0
  8. #b9c9e8
  9. #d0dbf0
  10. #e8edf7
  11. #ffffff

Tones

#154bb2 mixed progressively with gray.

  1. #154bb2
  2. #2050ad
  3. #2a56a8
  4. #355ba3
  5. #40609e
  6. #4b6699
  7. #556b94
  8. #60708f
  9. #6b758a
  10. #757b85
  11. #808080

Readable text 7.83:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.68:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #525252 ≈ 0.003% of males
Achromatomaly #414f83 ≈ 0.001% of males
Protanopia #0059b6 ≈ 1.01% of males
Deuteranopia #004bb0 ≈ 1.27% of males
Tritanopia #006577 ≈ 0.0001% of males
Protanomaly #0054b4 ≈ 1.08% of males
Deuteranomaly #004bb1 ≈ 4.63% of males
Tritanomaly #005c92 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-154bb2 {
  color: #154bb2;
}
Background
.bg-154bb2 {
  background-color: #154bb2;
  color: #ffffff;
}
Border
.border-154bb2 {
  border: 2px solid #154bb2;
}
CSS variables
:root {
  --color-primary: #154bb2;
  --color-primary-rgb: 21 75 178;
  --color-primary-hsl: 219 79% 39%;
}
Gradient
.gradient-154bb2 {
  background: linear-gradient(135deg, #154bb2, #2d15b2);
}
Colored shadow
.shadow-154bb2 {
  box-shadow: 0 8px 24px rgb(21 75 178 / 0.35);
}

#0047ab Cobalt Blue ΔE 1.68 #0f52ba Sapphire ΔE 2.51 #0f4d92 Yale Blue ΔE 5.10 #1c39bb Persian Blue ΔE 6.36 #1034a6 Egyptian Blue ΔE 7.30 #1560bd Denim ΔE 7.38 #003399 Smalt ΔE 7.78 #eab44d Inverted #525252 Grayscale 

Cobalt Blue
#154bb2  rgb(21, 75, 178)  hsl(219, 79%, 39%)  Cobalt Blue
#b27c15  rgb(178, 124, 21)  hsl(39, 79%, 39%)  Dark Goldenrod
#b2154b  rgb(178, 21, 75)  hsl(339, 79%, 39%)  Vivid Burgundy
#4bb215  rgb(75, 178, 21)  hsl(99, 79%, 39%)  Kelly Green