ColorTool
Log in
#307DE4

#307de4 ≈ Tufts Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#307de4 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 18.82% red, 49.02% green and 89.41% blue; printed in CMYK it uses 78.95% cyan, 45.18% magenta, 0% yellow and 10.59% black. Its hue angle is 214.33°, with 76.92% saturation and 54.12% 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 5.18:1 (WCAG AA). The closest named color is Tufts Blue (#417dc1), ΔE 3.36.

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 luminance0.209

Complementary

  1. #307de4
  2. #e49730

Split complementary

  1. #307de4
  2. #e43d30
  3. #d7e430

Analogous

  1. #30d7e4
  2. #307de4
  3. #3d30e4

Triadic

  1. #307de4
  2. #e4307d
  3. #7de430

Tetradic

  1. #307de4
  2. #9730e4
  3. #e49730
  4. #7de430

Square

  1. #307de4
  2. #e430d7
  3. #e49730
  4. #30e43d

Monochromatic

  1. #0e376d
  2. #1759b0
  3. #307de4
  4. #74a8ed
  5. #b7d2f6

Shades

#307de4 mixed progressively with black.

  1. #307de4
  2. #2b71cd
  3. #2664b6
  4. #2258a0
  5. #1d4b89
  6. #183f72
  7. #13325b
  8. #0e2644
  9. #0a192e
  10. #050d17
  11. #000000

Tints

#307de4 mixed progressively with white.

  1. #307de4
  2. #458ae7
  3. #5997e9
  4. #6ea4ec
  5. #83b1ef
  6. #98bef2
  7. #accbf4
  8. #c1d8f7
  9. #d6e5fa
  10. #eaf2fc
  11. #ffffff

Tones

#307de4 mixed progressively with gray.

  1. #307de4
  2. #387dda
  3. #407ed0
  4. #487ec6
  5. #507ebc
  6. #587fb2
  7. #607fa8
  8. #687f9e
  9. #707f94
  10. #78808a
  11. #808080

Readable text 4.05:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.18:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7e7e7e ≈ 0.003% of males
Achromatomaly #687eb0 ≈ 0.001% of males
Protanopia #4687e8 ≈ 1.01% of males
Deuteranopia #1a77e2 ≈ 1.27% of males
Tritanopia #0096a5 ≈ 0.0001% of males
Protanomaly #3e83e6 ≈ 1.08% of males
Deuteranomaly #2579e3 ≈ 4.63% of males
Tritanomaly #008cc2 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-307de4 {
  color: #307de4;
}
Background
.bg-307de4 {
  background-color: #307de4;
  color: #000000;
}
Border
.border-307de4 {
  border: 2px solid #307de4;
}
CSS variables
:root {
  --color-primary: #307de4;
  --color-primary-rgb: 48 125 228;
  --color-primary-hsl: 214 77% 54%;
}
Gradient
.gradient-307de4 {
  background: linear-gradient(135deg, #307de4, #3d30e4);
}
Colored shadow
.shadow-307de4 {
  box-shadow: 0 8px 24px rgb(48 125 228 / 0.35);
}

#417dc1 Tufts Blue ΔE 3.36 #0073cf True Blue ΔE 5.20 #0070ff Brandeis Blue ΔE 5.21 #4682b4 Steel Blue ΔE 5.40 #318ce7 Bleu de France ΔE 5.46 #6082b6 Glaucous ΔE 6.26 #1e90ff Dodger Blue ΔE 7.02 #cf821b Inverted #7e7e7e Grayscale 

Tufts Blue
#307de4  rgb(48, 125, 228)  hsl(214, 77%, 54%)  Tufts Blue
#e49730  rgb(228, 151, 48)  hsl(34, 77%, 54%)  Carrot Orange
#e4307d  rgb(228, 48, 125)  hsl(334, 77%, 54%)  Razzmatazz
#7de430  rgb(125, 228, 48)  hsl(94, 77%, 54%)  Lawn Green