ColorTool
Log in
#6371CF

#6371cf ≈ Royal Blue

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

#6371cf is a color from the blue family, with medium lightness and moderate saturation. In the RGB model it is made of 38.82% red, 44.31% green and 81.18% blue; printed in CMYK it uses 52.17% cyan, 45.41% magenta, 0% yellow and 18.82% black. Its hue angle is 232.22°, with 52.94% saturation and 60% 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. Black text on this color reaches a contrast ratio of 4.79:1 (WCAG AA). The closest named color is Royal Blue (#4169e1), ΔE 5.35.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1897

Complementary

  1. #6371cf
  2. #cfc163

Split complementary

  1. #6371cf
  2. #cf8b63
  3. #a7cf63

Analogous

  1. #63a7cf
  2. #6371cf
  3. #8b63cf

Triadic

  1. #6371cf
  2. #cf6371
  3. #71cf63

Tetradic

  1. #6371cf
  2. #c163cf
  3. #cfc163
  4. #71cf63

Square

  1. #6371cf
  2. #cf63a7
  3. #cfc163
  4. #63cf8b

Monochromatic

  1. #242f75
  2. #3646af
  3. #6371cf
  4. #9ea6e1
  5. #d8dcf3

Shades

#6371cf mixed progressively with black.

  1. #6371cf
  2. #5966ba
  3. #4f5aa6
  4. #454f91
  5. #3b447c
  6. #323968
  7. #282d53
  8. #1e223e
  9. #141729
  10. #0a0b15
  11. #000000

Tints

#6371cf mixed progressively with white.

  1. #6371cf
  2. #737fd4
  3. #828dd9
  4. #929cdd
  5. #a1aae2
  6. #b1b8e7
  7. #c1c6ec
  8. #d0d4f1
  9. #e0e3f5
  10. #eff1fa
  11. #ffffff

Tones

#6371cf mixed progressively with gray.

  1. #6371cf
  2. #6673c7
  3. #6974bf
  4. #6c76b7
  5. #6f77af
  6. #7279a8
  7. #747aa0
  8. #777c98
  9. #7a7d90
  10. #7d7f88
  11. #808080

Readable text 4.38:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.79:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #797979 ≈ 0.003% of males
Achromatomaly #7176a2 ≈ 0.001% of males
Protanopia #487dd3 ≈ 1.01% of males
Deuteranopia #3c74cd ≈ 1.27% of males
Tritanopia #328596 ≈ 0.0001% of males
Protanomaly #5479d1 ≈ 1.08% of males
Deuteranomaly #4f73ce ≈ 4.63% of males
Tritanomaly #4a7eb0 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-6371cf {
  color: #6371cf;
}
Background
.bg-6371cf {
  background-color: #6371cf;
  color: #000000;
}
Border
.border-6371cf {
  border: 2px solid #6371cf;
}
CSS variables
:root {
  --color-primary: #6371cf;
  --color-primary-rgb: 99 113 207;
  --color-primary-hsl: 232 53% 60%;
}
Gradient
.gradient-6371cf {
  background: linear-gradient(135deg, #6371cf, #8b63cf);
}
Colored shadow
.shadow-6371cf {
  box-shadow: 0 8px 24px rgb(99 113 207 / 0.35);
}

#4169e1 Royal Blue ΔE 5.35 #4166f5 Ultramarine Blue ΔE 6.44 #6082b6 Glaucous ΔE 7.15 #7b68ee Medium Slate Blue ΔE 7.26 #6a5acd Slate Blue ΔE 8.23 #0070ff Brandeis Blue ΔE 8.37 #417dc1 Tufts Blue ΔE 9.39 #9c8e30 Inverted #797979 Grayscale 

Royal Blue
#6371cf  rgb(99, 113, 207)  hsl(232, 53%, 60%)  Royal Blue
#cfc163  rgb(207, 193, 99)  hsl(52, 53%, 60%)  Vegas Gold
#cf6371  rgb(207, 99, 113)  hsl(352, 53%, 60%)  Indian Red
#71cf63  rgb(113, 207, 99)  hsl(112, 53%, 60%)  Mantis