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#177CD3

#177cd3 ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#177cd3 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 9.02% red, 48.63% green and 82.75% blue; printed in CMYK it uses 89.1% cyan, 41.23% magenta, 0% yellow and 17.25% black. Its hue angle is 207.77°, with 80.34% saturation and 45.88% 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 call-to-action buttons. Black text on this color reaches a contrast ratio of 4.86:1 (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#0066cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.193

Complementary

  1. #177cd3
  2. #d36e17

Split complementary

  1. #177cd3
  2. #d3171e
  3. #d3cc17

Analogous

  1. #17d3cc
  2. #177cd3
  3. #171ed3

Triadic

  1. #177cd3
  2. #d3177c
  3. #7cd317

Tetradic

  1. #177cd3
  2. #6e17d3
  3. #d36e17
  4. #7cd317

Square

  1. #177cd3
  2. #cc17d3
  3. #d36e17
  4. #1ed317

Monochromatic

  1. #082b49
  2. #0f538e
  3. #177cd3
  4. #4ba1eb
  5. #90c5f3

Shades

#177cd3 mixed progressively with black.

  1. #177cd3
  2. #1570be
  3. #1263a9
  4. #105794
  5. #0e4a7f
  6. #0c3e6a
  7. #093254
  8. #07253f
  9. #05192a
  10. #020c15
  11. #000000

Tints

#177cd3 mixed progressively with white.

  1. #177cd3
  2. #2e89d7
  3. #4596dc
  4. #5da3e0
  5. #74b0e5
  6. #8bbee9
  7. #a2cbed
  8. #b9d8f2
  9. #d1e5f6
  10. #e8f2fb
  11. #ffffff

Tones

#177cd3 mixed progressively with gray.

  1. #177cd3
  2. #227ccb
  3. #2c7dc2
  4. #377dba
  5. #417eb2
  6. #4c7eaa
  7. #567ea1
  8. #617f99
  9. #6b7f91
  10. #768088
  11. #808080

Readable text 4.32:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.86:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7a7a7a ≈ 0.003% of males
Achromatomaly #617ba5 ≈ 0.001% of males
Protanopia #5082d6 ≈ 1.01% of males
Deuteranopia #2f72d1 ≈ 1.27% of males
Tritanopia #00919d ≈ 0.0001% of males
Protanomaly #4080d5 ≈ 1.08% of males
Deuteranomaly #2776d2 ≈ 4.63% of males
Tritanomaly #0089b5 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-177cd3 {
  color: #177cd3;
}
Background
.bg-177cd3 {
  background-color: #177cd3;
  color: #000000;
}
Border
.border-177cd3 {
  border: 2px solid #177cd3;
}
CSS variables
:root {
  --color-primary: #177cd3;
  --color-primary-rgb: 23 124 211;
  --color-primary-hsl: 208 80% 46%;
}
Gradient
.gradient-177cd3 {
  background: linear-gradient(135deg, #177cd3, #171ed3);
}
Colored shadow
.shadow-177cd3 {
  box-shadow: 0 8px 24px rgb(23 124 211 / 0.35);
}

#417dc1 Tufts Blue ΔE 2.62 #0073cf True Blue ΔE 3.33 #4682b4 Steel Blue ΔE 4.16 #0072bb French Blue ΔE 4.73 #318ce7 Bleu de France ΔE 5.98 #0070ff Brandeis Blue ΔE 7.39 #6082b6 Glaucous ΔE 7.45 #e8832c Inverted #7a7a7a Grayscale 

Tufts Blue
#177cd3  rgb(23, 124, 211)  hsl(208, 80%, 46%)  Tufts Blue
#d36e17  rgb(211, 110, 23)  hsl(28, 80%, 46%)  Chocolate
#d3177c  rgb(211, 23, 124)  hsl(328, 80%, 46%)  Telemagenta
#7cd317  rgb(124, 211, 23)  hsl(88, 80%, 46%)  Yellow Green