ColorTool
Log in
#305BBD

#305bbd ≈ Sapphire

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

#305bbd is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 18.82% red, 35.69% green and 74.12% blue; printed in CMYK it uses 74.6% cyan, 51.85% magenta, 0% yellow and 25.88% black. Its hue angle is 221.7°, with 59.49% saturation and 46.47% 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 6.26:1 (WCAG AA). The closest named color is Sapphire (#0f52ba), ΔE 3.29.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1178

Complementary

  1. #305bbd
  2. #bd9230

Split complementary

  1. #305bbd
  2. #bd4b30
  3. #a2bd30

Analogous

  1. #30a2bd
  2. #305bbd
  3. #4b30bd

Triadic

  1. #305bbd
  2. #bd305b
  3. #5bbd30

Tetradic

  1. #305bbd
  2. #9230bd
  3. #bd9230
  4. #5bbd30

Square

  1. #305bbd
  2. #bd30a2
  3. #bd9230
  4. #30bd4b

Monochromatic

  1. #112043
  2. #213e80
  3. #305bbd
  4. #6286d7
  5. #9fb5e7

Shades

#305bbd mixed progressively with black.

  1. #305bbd
  2. #2b52aa
  3. #264997
  4. #224084
  5. #1d3771
  6. #182e5f
  7. #13244c
  8. #0e1b39
  9. #0a1226
  10. #050913
  11. #000000

Tints

#305bbd mixed progressively with white.

  1. #305bbd
  2. #456bc4
  3. #597cca
  4. #6e8cd1
  5. #839dd7
  6. #98adde
  7. #acbde5
  8. #c1ceeb
  9. #d6def2
  10. #eaeff8
  11. #ffffff

Tones

#305bbd mixed progressively with gray.

  1. #305bbd
  2. #385fb7
  3. #4062b1
  4. #4866ab
  5. #506aa5
  6. #586e9f
  7. #607198
  8. #687592
  9. #70798c
  10. #787c86
  11. #808080

Readable text 6.26:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.36:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #606060 ≈ 0.003% of males
Achromatomaly #515e8f ≈ 0.001% of males
Protanopia #1a67c1 ≈ 1.01% of males
Deuteranopia #005abb ≈ 1.27% of males
Tritanopia #007383 ≈ 0.0001% of males
Protanomaly #2463bf ≈ 1.08% of males
Deuteranomaly #095bbc ≈ 4.63% of males
Tritanomaly #006a9e ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-305bbd {
  color: #305bbd;
}
Background
.bg-305bbd {
  background-color: #305bbd;
  color: #ffffff;
}
Border
.border-305bbd {
  border: 2px solid #305bbd;
}
CSS variables
:root {
  --color-primary: #305bbd;
  --color-primary-rgb: 48 91 189;
  --color-primary-hsl: 222 59% 46%;
}
Gradient
.gradient-305bbd {
  background: linear-gradient(135deg, #305bbd, #4b30bd);
}
Colored shadow
.shadow-305bbd {
  box-shadow: 0 8px 24px rgb(48 91 189 / 0.35);
}

#0f52ba Sapphire ΔE 3.29 #1560bd Denim ΔE 3.50 #26619c Lapis Lazuli ΔE 6.03 #0047ab Cobalt Blue ΔE 6.86 #4169e1 Royal Blue ΔE 6.87 #436b95 Queen Blue ΔE 6.97 #0f4d92 Yale Blue ΔE 7.62 #cfa442 Inverted #606060 Grayscale 

Sapphire
#305bbd  rgb(48, 91, 189)  hsl(222, 59%, 46%)  Sapphire
#bd9230  rgb(189, 146, 48)  hsl(42, 59%, 46%)  Dark Goldenrod
#bd305b  rgb(189, 48, 91)  hsl(342, 59%, 46%)  Dogwood Rose
#5bbd30  rgb(91, 189, 48)  hsl(102, 59%, 46%)  Kelly Green