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#307BDC

#307bdc ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#307bdc is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 18.82% red, 48.24% green and 86.27% blue; printed in CMYK it uses 78.18% cyan, 44.09% magenta, 0% yellow and 13.73% black. Its hue angle is 213.84°, with 71.07% saturation and 52.55% 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 4.99:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 2.62.

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 luminance0.1996

Complementary

  1. #307bdc
  2. #dc9130

Split complementary

  1. #307bdc
  2. #dc3b30
  3. #d1dc30

Analogous

  1. #30d1dc
  2. #307bdc
  3. #3b30dc

Triadic

  1. #307bdc
  2. #dc307b
  3. #7bdc30

Tetradic

  1. #307bdc
  2. #9130dc
  3. #dc9130
  4. #7bdc30

Square

  1. #307bdc
  2. #dc30d1
  3. #dc9130
  4. #30dc3b

Monochromatic

  1. #113462
  2. #1c57a4
  3. #307bdc
  4. #71a5e7
  5. #b3cef2

Shades

#307bdc mixed progressively with black.

  1. #307bdc
  2. #2b6fc6
  3. #2662b0
  4. #22569a
  5. #1d4a84
  6. #183e6e
  7. #133158
  8. #0e2542
  9. #0a192c
  10. #050c16
  11. #000000

Tints

#307bdc mixed progressively with white.

  1. #307bdc
  2. #4588e0
  3. #5995e3
  4. #6ea3e7
  5. #83b0ea
  6. #98bdee
  7. #accaf1
  8. #c1d7f5
  9. #d6e5f8
  10. #eaf2fc
  11. #ffffff

Tones

#307bdc mixed progressively with gray.

  1. #307bdc
  2. #387cd3
  3. #407cca
  4. #487dc0
  5. #507db7
  6. #587eae
  7. #607ea5
  8. #687f9c
  9. #707f92
  10. #788089
  11. #808080

Readable text 4.21:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.99:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7b7b7b ≈ 0.003% of males
Achromatomaly #667bab ≈ 0.001% of males
Protanopia #4984e0 ≈ 1.01% of males
Deuteranopia #2574da ≈ 1.27% of males
Tritanopia #0092a1 ≈ 0.0001% of males
Protanomaly #4080de ≈ 1.08% of males
Deuteranomaly #2a77db ≈ 4.63% of males
Tritanomaly #0089bb ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-307bdc {
  color: #307bdc;
}
Background
.bg-307bdc {
  background-color: #307bdc;
  color: #000000;
}
Border
.border-307bdc {
  border: 2px solid #307bdc;
}
CSS variables
:root {
  --color-primary: #307bdc;
  --color-primary-rgb: 48 123 220;
  --color-primary-hsl: 214 71% 53%;
}
Gradient
.gradient-307bdc {
  background: linear-gradient(135deg, #307bdc, #3b30dc);
}
Colored shadow
.shadow-307bdc {
  box-shadow: 0 8px 24px rgb(48 123 220 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.62 #0073cf True Blue ΔE 4.14 #4682b4 Steel Blue ΔE 5.08 #0070ff Brandeis Blue ΔE 5.24 #318ce7 Bleu de France ΔE 6.15 #6082b6 Glaucous ΔE 6.18 #0072bb French Blue ΔE 6.55 #cf8423 Inverted #7b7b7b Grayscale 

Tufts Blue
#307bdc  rgb(48, 123, 220)  hsl(214, 71%, 53%)  Tufts Blue
#dc9130  rgb(220, 145, 48)  hsl(34, 71%, 53%)  Carrot Orange
#dc307b  rgb(220, 48, 123)  hsl(334, 71%, 53%)  Telemagenta
#7bdc30  rgb(123, 220, 48)  hsl(94, 71%, 53%)  Yellow Green