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#305BCB

#305bcb ≈ Sapphire

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#305bcb 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 79.61% blue; printed in CMYK it uses 76.35% cyan, 55.17% magenta, 0% yellow and 20.39% black. Its hue angle is 223.35°, with 61.75% saturation and 49.22% 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 6.03:1 (WCAG AA). The closest named color is Sapphire (#0f52ba), ΔE 4.24.

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 luminance0.1242

Complementary

  1. #305bcb
  2. #cba030

Split complementary

  1. #305bcb
  2. #cb5230
  3. #a9cb30

Analogous

  1. #30a9cb
  2. #305bcb
  3. #5230cb

Triadic

  1. #305bcb
  2. #cb305b
  3. #5bcb30

Tetradic

  1. #305bcb
  2. #a030cb
  3. #cba030
  4. #5bcb30

Square

  1. #305bcb
  2. #cb30a9
  3. #cba030
  4. #30cb52

Monochromatic

  1. #13244f
  2. #213f8d
  3. #305bcb
  4. #6b8bdc
  5. #a9bbeb

Shades

#305bcb mixed progressively with black.

  1. #305bcb
  2. #2b52b7
  3. #2649a2
  4. #22408e
  5. #1d377a
  6. #182e66
  7. #132451
  8. #0e1b3d
  9. #0a1229
  10. #050914
  11. #000000

Tints

#305bcb mixed progressively with white.

  1. #305bcb
  2. #456bd0
  3. #597cd5
  4. #6e8cdb
  5. #839de0
  6. #98ade5
  7. #acbdea
  8. #c1ceef
  9. #d6def5
  10. #eaeffa
  11. #ffffff

Tones

#305bcb mixed progressively with gray.

  1. #305bcb
  2. #385fc4
  3. #4062bc
  4. #4866b5
  5. #506aad
  6. #586ea6
  7. #60719e
  8. #687597
  9. #70798f
  10. #787c88
  11. #808080

Readable text 6.03:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.48:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #636363 ≈ 0.003% of males
Achromatomaly #536098 ≈ 0.001% of males
Protanopia #006acf ≈ 1.01% of males
Deuteranopia #005cc9 ≈ 1.27% of males
Tritanopia #00778a ≈ 0.0001% of males
Protanomaly #1465cd ≈ 1.08% of males
Deuteranomaly #005cca ≈ 4.63% of males
Tritanomaly #006da8 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-305bcb {
  color: #305bcb;
}
Background
.bg-305bcb {
  background-color: #305bcb;
  color: #ffffff;
}
Border
.border-305bcb {
  border: 2px solid #305bcb;
}
CSS variables
:root {
  --color-primary: #305bcb;
  --color-primary-rgb: 48 91 203;
  --color-primary-hsl: 223 62% 49%;
}
Gradient
.gradient-305bcb {
  background: linear-gradient(135deg, #305bcb, #5230cb);
}
Colored shadow
.shadow-305bcb {
  box-shadow: 0 8px 24px rgb(48 91 203 / 0.35);
}

#0f52ba Sapphire ΔE 4.24 #1560bd Denim ΔE 4.54 #4169e1 Royal Blue ΔE 5.67 #4166f5 Ultramarine Blue ΔE 7.04 #26619c Lapis Lazuli ΔE 7.44 #5a4fcf Iris ΔE 7.75 #436b95 Queen Blue ΔE 7.75 #cfa434 Inverted #636363 Grayscale 

Sapphire
#305bcb  rgb(48, 91, 203)  hsl(223, 62%, 49%)  Sapphire
#cba030  rgb(203, 160, 48)  hsl(43, 62%, 49%)  Goldenrod
#cb305b  rgb(203, 48, 91)  hsl(343, 62%, 49%)  Ruby
#5bcb30  rgb(91, 203, 48)  hsl(103, 62%, 49%)  Lime Green