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#306DD4

#306dd4 ≈ Royal Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#306dd4 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 18.82% red, 42.75% green and 83.14% blue; printed in CMYK it uses 77.36% cyan, 48.58% magenta, 0% yellow and 16.86% black. Its hue angle is 217.68°, with 65.6% saturation and 50.98% 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 4.93:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 3.73.

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 luminance0.1632

Complementary

  1. #306dd4
  2. #d49730

Split complementary

  1. #306dd4
  2. #d44530
  3. #bfd430

Analogous

  1. #30bfd4
  2. #306dd4
  3. #4530d4

Triadic

  1. #306dd4
  2. #d4306d
  3. #6dd430

Tetradic

  1. #306dd4
  2. #9730d4
  3. #d49730
  4. #6dd430

Square

  1. #306dd4
  2. #d430bf
  3. #d49730
  4. #30d445

Monochromatic

  1. #122d59
  2. #204c98
  3. #306dd4
  4. #6f9ae1
  5. #afc6ee

Shades

#306dd4 mixed progressively with black.

  1. #306dd4
  2. #2b62bf
  3. #2657aa
  4. #224c94
  5. #1d417f
  6. #18376a
  7. #132c55
  8. #0e2140
  9. #0a162a
  10. #050b15
  11. #000000

Tints

#306dd4 mixed progressively with white.

  1. #306dd4
  2. #457cd8
  3. #598add
  4. #6e99e1
  5. #83a7e5
  6. #98b6ea
  7. #acc5ee
  8. #c1d3f2
  9. #d6e2f6
  10. #eaf0fb
  11. #ffffff

Tones

#306dd4 mixed progressively with gray.

  1. #306dd4
  2. #386fcc
  3. #4071c3
  4. #4873bb
  5. #5075b2
  6. #5877aa
  7. #6078a2
  8. #687a99
  9. #707c91
  10. #787e88
  11. #808080

Readable text 4.93:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.26:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #707070 ≈ 0.003% of males
Achromatomaly #5d6fa2 ≈ 0.001% of males
Protanopia #3178d8 ≈ 1.01% of males
Deuteranopia #0069d2 ≈ 1.27% of males
Tritanopia #008696 ≈ 0.0001% of males
Protanomaly #3174d6 ≈ 1.08% of males
Deuteranomaly #156bd3 ≈ 4.63% of males
Tritanomaly #007db2 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-306dd4 {
  color: #306dd4;
}
Background
.bg-306dd4 {
  background-color: #306dd4;
  color: #ffffff;
}
Border
.border-306dd4 {
  border: 2px solid #306dd4;
}
CSS variables
:root {
  --color-primary: #306dd4;
  --color-primary-rgb: 48 109 212;
  --color-primary-hsl: 218 66% 51%;
}
Gradient
.gradient-306dd4 {
  background: linear-gradient(135deg, #306dd4, #4530d4);
}
Colored shadow
.shadow-306dd4 {
  box-shadow: 0 8px 24px rgb(48 109 212 / 0.35);
}

#4169e1 Royal Blue ΔE 3.73 #0073cf True Blue ΔE 4.53 #0070ff Brandeis Blue ΔE 4.76 #1560bd Denim ΔE 5.57 #417dc1 Tufts Blue ΔE 6.05 #4166f5 Ultramarine Blue ΔE 6.19 #0072bb French Blue ΔE 6.63 #cf922b Inverted #707070 Grayscale 

Royal Blue
#306dd4  rgb(48, 109, 212)  hsl(218, 66%, 51%)  Royal Blue
#d49730  rgb(212, 151, 48)  hsl(38, 66%, 51%)  Gamboge
#d4306d  rgb(212, 48, 109)  hsl(338, 66%, 51%)  Dogwood Rose
#6dd430  rgb(109, 212, 48)  hsl(98, 66%, 51%)  Lime Green