ColorTool
Log in
#305CD8

#305cd8 ≈ Royal Blue

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

#305cd8 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 18.82% red, 36.08% green and 84.71% blue; printed in CMYK it uses 77.78% cyan, 57.41% magenta, 0% yellow and 15.29% black. Its hue angle is 224.29°, with 68.29% saturation and 51.76% 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 5.76:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 4.61.

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 luminance0.1324

Complementary

  1. #305cd8
  2. #d8ac30

Split complementary

  1. #305cd8
  2. #d85830
  3. #b0d830

Analogous

  1. #30b0d8
  2. #305cd8
  3. #5830d8

Triadic

  1. #305cd8
  2. #d8305c
  3. #5cd830

Tetradic

  1. #305cd8
  2. #ac30d8
  3. #d8ac30
  4. #5cd830

Square

  1. #305cd8
  2. #d830b0
  3. #d8ac30
  4. #30d858

Monochromatic

  1. #12255d
  2. #1e3f9e
  3. #305cd8
  4. #708fe4
  5. #b1c1f0

Shades

#305cd8 mixed progressively with black.

  1. #305cd8
  2. #2b53c2
  3. #264aad
  4. #224097
  5. #1d3782
  6. #182e6c
  7. #132556
  8. #0e1c41
  9. #0a122b
  10. #050916
  11. #000000

Tints

#305cd8 mixed progressively with white.

  1. #305cd8
  2. #456cdc
  3. #597de0
  4. #6e8de4
  5. #839de8
  6. #98aeec
  7. #acbeef
  8. #c1cef3
  9. #d6def7
  10. #eaeffb
  11. #ffffff

Tones

#305cd8 mixed progressively with gray.

  1. #305cd8
  2. #3860cf
  3. #4063c6
  4. #4867be
  5. #506ab5
  6. #586eac
  7. #6072a3
  8. #68759a
  9. #707992
  10. #787c89
  11. #808080

Readable text 5.76:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.65:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #666666 ≈ 0.003% of males
Achromatomaly #5562a1 ≈ 0.001% of males
Protanopia #006edc ≈ 1.01% of males
Deuteranopia #005ed6 ≈ 1.27% of males
Tritanopia #007b91 ≈ 0.0001% of males
Protanomaly #0067db ≈ 1.08% of males
Deuteranomaly #005dd7 ≈ 4.63% of males
Tritanomaly #0070b2 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-305cd8 {
  color: #305cd8;
}
Background
.bg-305cd8 {
  background-color: #305cd8;
  color: #ffffff;
}
Border
.border-305cd8 {
  border: 2px solid #305cd8;
}
CSS variables
:root {
  --color-primary: #305cd8;
  --color-primary-rgb: 48 92 216;
  --color-primary-hsl: 224 68% 52%;
}
Gradient
.gradient-305cd8 {
  background: linear-gradient(135deg, #305cd8, #5830d8);
}
Colored shadow
.shadow-305cd8 {
  box-shadow: 0 8px 24px rgb(48 92 216 / 0.35);
}

#4169e1 Royal Blue ΔE 4.61 #4166f5 Ultramarine Blue ΔE 5.49 #1560bd Denim ΔE 5.63 #0f52ba Sapphire ΔE 5.70 #5a4fcf Iris ΔE 7.35 #6050dc Majorelle Blue ΔE 7.83 #6a5acd Slate Blue ΔE 8.36 #cfa327 Inverted #666666 Grayscale 

Royal Blue
#305cd8  rgb(48, 92, 216)  hsl(224, 68%, 52%)  Royal Blue
#d8ac30  rgb(216, 172, 48)  hsl(44, 68%, 52%)  Metallic Gold
#d8305c  rgb(216, 48, 92)  hsl(344, 68%, 52%)  Cerise
#5cd830  rgb(92, 216, 48)  hsl(104, 68%, 52%)  Lime Green