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#307EA5

#307ea5 ≈ Cerulean

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#307ea5 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 18.82% red, 49.41% green and 64.71% blue; printed in CMYK it uses 70.91% cyan, 23.64% magenta, 0% yellow and 35.29% black. Its hue angle is 200°, with 54.93% saturation and 41.76% 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 4.65:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 2.35.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#336699
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1827

Complementary

  1. #307ea5
  2. #a55730

Split complementary

  1. #307ea5
  2. #a53043
  3. #a59130

Analogous

  1. #30a591
  2. #307ea5
  3. #3043a5

Triadic

  1. #307ea5
  2. #a5307e
  3. #7ea530

Tetradic

  1. #307ea5
  2. #5730a5
  3. #a55730
  4. #7ea530

Square

  1. #307ea5
  2. #9130a5
  3. #a55730
  4. #43a530

Monochromatic

  1. #0e232e
  2. #1f516a
  3. #307ea5
  4. #54a5cd
  5. #8fc4df

Shades

#307ea5 mixed progressively with black.

  1. #307ea5
  2. #2b7195
  3. #266584
  4. #225874
  5. #1d4c63
  6. #183f53
  7. #133242
  8. #0e2632
  9. #0a1921
  10. #050d11
  11. #000000

Tints

#307ea5 mixed progressively with white.

  1. #307ea5
  2. #458bae
  3. #5998b7
  4. #6ea5c0
  5. #83b2c9
  6. #98bfd2
  7. #accbdb
  8. #c1d8e4
  9. #d6e5ed
  10. #eaf2f6
  11. #ffffff

Tones

#307ea5 mixed progressively with gray.

  1. #307ea5
  2. #387ea1
  3. #407e9e
  4. #487f9a
  5. #507f96
  6. #587f93
  7. #607f8f
  8. #687f8b
  9. #708087
  10. #788084
  11. #808080

Readable text 4.51:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.65:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #767676 ≈ 0.003% of males
Achromatomaly #627a8b ≈ 0.001% of males
Protanopia #6b7da7 ≈ 1.01% of males
Deuteranopia #5b71a4 ≈ 1.27% of males
Tritanopia #00888b ≈ 0.0001% of males
Protanomaly #597da6 ≈ 1.08% of males
Deuteranomaly #4d77a5 ≈ 4.63% of males
Tritanomaly #008496 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-307ea5 {
  color: #307ea5;
}
Background
.bg-307ea5 {
  background-color: #307ea5;
  color: #000000;
}
Border
.border-307ea5 {
  border: 2px solid #307ea5;
}
CSS variables
:root {
  --color-primary: #307ea5;
  --color-primary-rgb: 48 126 165;
  --color-primary-hsl: 200 55% 42%;
}
Gradient
.gradient-307ea5 {
  background: linear-gradient(135deg, #307ea5, #3043a5);
}
Colored shadow
.shadow-307ea5 {
  box-shadow: 0 8px 24px rgb(48 126 165 / 0.35);
}

#007ba7 Cerulean ΔE 2.35 #4682b4 Steel Blue ΔE 5.29 #5d8aa8 Air Force Blue ΔE 6.73 #367588 Teal Blue ΔE 7.48 #0072bb French Blue ΔE 7.60 #417dc1 Tufts Blue ΔE 7.77 #006994 Sea Blue ΔE 8.01 #cf815a Inverted #767676 Grayscale 

Cerulean
#307ea5  rgb(48, 126, 165)  hsl(200, 55%, 42%)  Cerulean
#a55730  rgb(165, 87, 48)  hsl(20, 55%, 42%)  Sienna
#a5307e  rgb(165, 48, 126)  hsl(320, 55%, 42%)  Medium Violet Red
#7ea530  rgb(126, 165, 48)  hsl(80, 55%, 42%)  Apple Green