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#306EF3

#306ef3 ≈ Brandeis Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#306ef3 is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 18.82% red, 43.14% green and 95.29% blue; printed in CMYK it uses 80.25% cyan, 54.73% magenta, 0% yellow and 4.71% black. Its hue angle is 220.92°, with 89.04% saturation and 57.06% 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. Black text on this color reaches a contrast ratio of 4.65:1 (WCAG AA). The closest named color is Brandeis Blue (#0070ff), ΔE 1.89.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1825

Complementary

  1. #306ef3
  2. #f3b530

Split complementary

  1. #306ef3
  2. #f35330
  3. #d0f330

Analogous

  1. #30d0f3
  2. #306ef3
  3. #5330f3

Triadic

  1. #306ef3
  2. #f3306e
  3. #6ef330

Tetradic

  1. #306ef3
  2. #b530f3
  3. #f3b530
  4. #6ef330

Square

  1. #306ef3
  2. #f330d0
  3. #f3b530
  4. #30f353

Monochromatic

  1. #082f82
  2. #0c48cb
  3. #306ef3
  4. #78a1f7
  5. #c1d3fb

Shades

#306ef3 mixed progressively with black.

  1. #306ef3
  2. #2b63db
  3. #2658c2
  4. #224daa
  5. #1d4292
  6. #18377a
  7. #132c61
  8. #0e2149
  9. #0a1631
  10. #050b18
  11. #000000

Tints

#306ef3 mixed progressively with white.

  1. #306ef3
  2. #457df4
  3. #598bf5
  4. #6e9af7
  5. #83a8f8
  6. #98b7f9
  7. #acc5fa
  8. #c1d4fb
  9. #d6e2fd
  10. #eaf1fe
  11. #ffffff

Tones

#306ef3 mixed progressively with gray.

  1. #306ef3
  2. #3870e8
  3. #4072dc
  4. #4873d1
  5. #5075c5
  6. #5877ba
  7. #6079ae
  8. #687ba3
  9. #707c97
  10. #787e8c
  11. #808080

Readable text 4.52:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.65:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #767676 ≈ 0.003% of males
Achromatomaly #6273b6 ≈ 0.001% of males
Protanopia #0080f8 ≈ 1.01% of males
Deuteranopia #006ef0 ≈ 1.27% of males
Tritanopia #008fa6 ≈ 0.0001% of males
Protanomaly #0979f6 ≈ 1.08% of males
Deuteranomaly #006ef1 ≈ 4.63% of males
Tritanomaly #0083c9 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-306ef3 {
  color: #306ef3;
}
Background
.bg-306ef3 {
  background-color: #306ef3;
  color: #000000;
}
Border
.border-306ef3 {
  border: 2px solid #306ef3;
}
CSS variables
:root {
  --color-primary: #306ef3;
  --color-primary-rgb: 48 110 243;
  --color-primary-hsl: 221 89% 57%;
}
Gradient
.gradient-306ef3 {
  background: linear-gradient(135deg, #306ef3, #5330f3);
}
Colored shadow
.shadow-306ef3 {
  box-shadow: 0 8px 24px rgb(48 110 243 / 0.35);
}

#0070ff Brandeis Blue ΔE 1.89 #4169e1 Royal Blue ΔE 2.94 #4166f5 Ultramarine Blue ΔE 3.53 #0073cf True Blue ΔE 7.22 #417dc1 Tufts Blue ΔE 7.45 #6082b6 Glaucous ΔE 8.80 #1560bd Denim ΔE 8.89 #cf910c Inverted #767676 Grayscale 

Brandeis Blue
#306ef3  rgb(48, 110, 243)  hsl(221, 89%, 57%)  Brandeis Blue
#f3b530  rgb(243, 181, 48)  hsl(41, 89%, 57%)  Amber
#f3306e  rgb(243, 48, 110)  hsl(341, 89%, 57%)  Razzmatazz
#6ef330  rgb(110, 243, 48)  hsl(101, 89%, 57%)  Lawn Green