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#4580BB

#4580bb ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#4580bb is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 27.06% red, 50.2% green and 73.33% blue; printed in CMYK it uses 63.1% cyan, 31.55% magenta, 0% yellow and 26.67% black. Its hue angle is 210°, with 46.46% saturation and 50.2% 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. Black text on this color reaches a contrast ratio of 5.06:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 1.42.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3399cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2029

Complementary

  1. #4580bb
  2. #bb8045

Split complementary

  1. #4580bb
  2. #bb4545
  3. #bbbb45

Analogous

  1. #45bbbb
  2. #4580bb
  3. #4545bb

Triadic

  1. #4580bb
  2. #bb4580
  3. #80bb45

Tetradic

  1. #4580bb
  2. #8045bb
  3. #bb8045
  4. #80bb45

Square

  1. #4580bb
  2. #bb45bb
  3. #bb8045
  4. #45bb45

Monochromatic

  1. #1c344b
  2. #305a83
  3. #4580bb
  4. #7da6cf
  5. #b5cde4

Shades

#4580bb mixed progressively with black.

  1. #4580bb
  2. #3e73a8
  3. #376696
  4. #305a83
  5. #294d70
  6. #23405e
  7. #1c334b
  8. #152638
  9. #0e1a25
  10. #070d13
  11. #000000

Tints

#4580bb mixed progressively with white.

  1. #4580bb
  2. #588dc2
  3. #6a99c9
  4. #7da6cf
  5. #8fb3d6
  6. #a2c0dd
  7. #b5cce4
  8. #c7d9eb
  9. #dae6f1
  10. #ecf2f8
  11. #ffffff

Tones

#4580bb mixed progressively with gray.

  1. #4580bb
  2. #4b80b5
  3. #5180af
  4. #5780a9
  5. #5d80a3
  6. #63809e
  7. #688098
  8. #6e8092
  9. #74808c
  10. #7a8086
  11. #808080

Readable text 4.15:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.06:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7c7c7c ≈ 0.003% of males
Achromatomaly #6a7e99 ≈ 0.001% of males
Protanopia #6783be ≈ 1.01% of males
Deuteranopia #5777ba ≈ 1.27% of males
Tritanopia #008e95 ≈ 0.0001% of males
Protanomaly #5b82bd ≈ 1.08% of males
Deuteranomaly #507bba ≈ 4.63% of males
Tritanomaly #1088a6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-4580bb {
  color: #4580bb;
}
Background
.bg-4580bb {
  background-color: #4580bb;
  color: #000000;
}
Border
.border-4580bb {
  border: 2px solid #4580bb;
}
CSS variables
:root {
  --color-primary: #4580bb;
  --color-primary-rgb: 69 128 187;
  --color-primary-hsl: 210 46% 50%;
}
Gradient
.gradient-4580bb {
  background: linear-gradient(135deg, #4580bb, #4545bb);
}
Colored shadow
.shadow-4580bb {
  box-shadow: 0 8px 24px rgb(69 128 187 / 0.35);
}

#417dc1 Tufts Blue ΔE 1.42 #4682b4 Steel Blue ΔE 1.75 #6082b6 Glaucous ΔE 4.76 #0073cf True Blue ΔE 5.24 #318ce7 Bleu de France ΔE 5.82 #0072bb French Blue ΔE 6.15 #5d8aa8 Air Force Blue ΔE 6.70 #ba7f44 Inverted #7c7c7c Grayscale 

Tufts Blue
#4580bb  rgb(69, 128, 187)  hsl(210, 46%, 50%)  Tufts Blue
#bb8045  rgb(187, 128, 69)  hsl(30, 46%, 50%)  Peru
#bb4580  rgb(187, 69, 128)  hsl(330, 46%, 50%)  Mulberry
#80bb45  rgb(128, 187, 69)  hsl(90, 46%, 50%)  Mantis