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#307FA4

#307fa4 ≈ Cerulean

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#307fa4 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 18.82% red, 49.8% green and 64.31% blue; printed in CMYK it uses 70.73% cyan, 22.56% magenta, 0% yellow and 35.69% black. Its hue angle is 199.14°, with 54.72% saturation and 41.57% 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 4.7:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 2.64.

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 luminance0.1849

Complementary

  1. #307fa4
  2. #a45530

Split complementary

  1. #307fa4
  2. #a43045
  3. #a48f30

Analogous

  1. #30a48f
  2. #307fa4
  3. #3045a4

Triadic

  1. #307fa4
  2. #a4307f
  3. #7fa430

Tetradic

  1. #307fa4
  2. #5530a4
  3. #a45530
  4. #7fa430

Square

  1. #307fa4
  2. #8f30a4
  3. #a45530
  4. #45a430

Monochromatic

  1. #0d232e
  2. #1f5169
  3. #307fa4
  4. #54a6cd
  5. #8fc5de

Shades

#307fa4 mixed progressively with black.

  1. #307fa4
  2. #2b7294
  3. #266683
  4. #225973
  5. #1d4c62
  6. #184052
  7. #133342
  8. #0e2631
  9. #0a1921
  10. #050d10
  11. #000000

Tints

#307fa4 mixed progressively with white.

  1. #307fa4
  2. #458cad
  3. #5999b6
  4. #6ea5bf
  5. #83b2c8
  6. #98bfd2
  7. #acccdb
  8. #c1d9e4
  9. #d6e5ed
  10. #eaf2f6
  11. #ffffff

Tones

#307fa4 mixed progressively with gray.

  1. #307fa4
  2. #387fa0
  3. #407f9d
  4. #487f99
  5. #507f96
  6. #588092
  7. #60808e
  8. #68808b
  9. #708087
  10. #788084
  11. #808080

Readable text 4.47:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.7:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #777777 ≈ 0.003% of males
Achromatomaly #627a8b ≈ 0.001% of males
Protanopia #6d7ea6 ≈ 1.01% of males
Deuteranopia #5d72a3 ≈ 1.27% of males
Tritanopia #00898b ≈ 0.0001% of males
Protanomaly #5a7ea5 ≈ 1.08% of males
Deuteranomaly #4e77a4 ≈ 4.63% of males
Tritanomaly #008596 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-307fa4 {
  color: #307fa4;
}
Background
.bg-307fa4 {
  background-color: #307fa4;
  color: #000000;
}
Border
.border-307fa4 {
  border: 2px solid #307fa4;
}
CSS variables
:root {
  --color-primary: #307fa4;
  --color-primary-rgb: 48 127 164;
  --color-primary-hsl: 199 55% 42%;
}
Gradient
.gradient-307fa4 {
  background: linear-gradient(135deg, #307fa4, #3045a4);
}
Colored shadow
.shadow-307fa4 {
  box-shadow: 0 8px 24px rgb(48 127 164 / 0.35);
}

#007ba7 Cerulean ΔE 2.64 #4682b4 Steel Blue ΔE 5.82 #5d8aa8 Air Force Blue ΔE 6.59 #367588 Teal Blue ΔE 7.04 #006994 Sea Blue ΔE 8.44 #0072bb French Blue ΔE 8.46 #417dc1 Tufts Blue ΔE 8.48 #cf805b Inverted #777777 Grayscale 

Cerulean
#307fa4  rgb(48, 127, 164)  hsl(199, 55%, 42%)  Cerulean
#a45530  rgb(164, 85, 48)  hsl(19, 55%, 42%)  Sienna
#a4307f  rgb(164, 48, 127)  hsl(319, 55%, 42%)  Deep Plum
#7fa430  rgb(127, 164, 48)  hsl(79, 55%, 42%)  Apple Green