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#1981DF

#1981df ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#1981df is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 9.8% red, 50.59% green and 87.45% blue; printed in CMYK it uses 88.79% cyan, 42.15% magenta, 0% yellow and 12.55% black. Its hue angle is 208.48°, with 79.84% saturation and 48.63% 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 5.25:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 3.45.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0099cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2123

Complementary

  1. #1981df
  2. #df7719

Split complementary

  1. #1981df
  2. #df191e
  3. #dfda19

Analogous

  1. #19dfda
  2. #1981df
  3. #191edf

Triadic

  1. #1981df
  2. #df1981
  3. #81df19

Tetradic

  1. #1981df
  2. #7719df
  3. #df7719
  4. #81df19

Square

  1. #1981df
  2. #da19df
  3. #df7719
  4. #1edf19

Monochromatic

  1. #0a3155
  2. #11599a
  3. #1981df
  4. #58a6ec
  5. #9dcbf4

Shades

#1981df mixed progressively with black.

  1. #1981df
  2. #1774c9
  3. #1467b2
  4. #125a9c
  5. #0f4d86
  6. #0d4170
  7. #0a3459
  8. #082743
  9. #051a2d
  10. #030d16
  11. #000000

Tints

#1981df mixed progressively with white.

  1. #1981df
  2. #308ee2
  3. #479ae5
  4. #5ea7e9
  5. #75b3ec
  6. #8cc0ef
  7. #a3cdf2
  8. #bad9f5
  9. #d1e6f9
  10. #e8f2fc
  11. #ffffff

Tones

#1981df mixed progressively with gray.

  1. #1981df
  2. #2381d6
  3. #2e81cc
  4. #3881c3
  5. #4281b9
  6. #4d81b0
  7. #5780a6
  8. #61809d
  9. #6b8093
  10. #76808a
  11. #808080

Readable text 4:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.25:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7f7f7f ≈ 0.003% of males
Achromatomaly #6580ae ≈ 0.001% of males
Protanopia #5188e3 ≈ 1.01% of males
Deuteranopia #2b77dd ≈ 1.27% of males
Tritanopia #0098a5 ≈ 0.0001% of males
Protanomaly #4185e1 ≈ 1.08% of males
Deuteranomaly #257bde ≈ 4.63% of males
Tritanomaly #008fbf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1981df {
  color: #1981df;
}
Background
.bg-1981df {
  background-color: #1981df;
  color: #000000;
}
Border
.border-1981df {
  border: 2px solid #1981df;
}
CSS variables
:root {
  --color-primary: #1981df;
  --color-primary-rgb: 25 129 223;
  --color-primary-hsl: 208 80% 49%;
}
Gradient
.gradient-1981df {
  background: linear-gradient(135deg, #1981df, #191edf);
}
Colored shadow
.shadow-1981df {
  box-shadow: 0 8px 24px rgb(25 129 223 / 0.35);
}

#417dc1 Tufts Blue ΔE 3.45 #318ce7 Bleu de France ΔE 3.86 #4682b4 Steel Blue ΔE 4.41 #0073cf True Blue ΔE 5.37 #1e90ff Dodger Blue ΔE 5.86 #0072bb French Blue ΔE 6.96 #5b92e5 United Nations Blue ΔE 7.23 #e67e20 Inverted #7f7f7f Grayscale 

Tufts Blue
#1981df  rgb(25, 129, 223)  hsl(208, 80%, 49%)  Tufts Blue
#df7719  rgb(223, 119, 25)  hsl(28, 80%, 49%)  Ochre
#df1981  rgb(223, 25, 129)  hsl(328, 80%, 49%)  Telemagenta
#81df19  rgb(129, 223, 25)  hsl(88, 80%, 49%)  Yellow Green