ColorTool
Log in
#397FA0

#397fa0 ≈ Cerulean

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

#397fa0 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 22.35% red, 49.8% green and 62.75% blue; printed in CMYK it uses 64.38% cyan, 20.63% magenta, 0% yellow and 37.25% black. Its hue angle is 199.22°, with 47.47% saturation and 42.55% 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 4.72:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 3.54.

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 luminance0.1859

Complementary

  1. #397fa0
  2. #a05a39

Split complementary

  1. #397fa0
  2. #a0394c
  3. #a08e39

Analogous

  1. #39a08e
  2. #397fa0
  3. #394ca0

Triadic

  1. #397fa0
  2. #a0397f
  3. #7fa039

Tetradic

  1. #397fa0
  2. #5a39a0
  3. #a05a39
  4. #7fa039

Square

  1. #397fa0
  2. #8e39a0
  3. #a05a39
  4. #4ca039

Monochromatic

  1. #11252f
  2. #255268
  3. #397fa0
  4. #5fa5c6
  5. #98c5da

Shades

#397fa0 mixed progressively with black.

  1. #397fa0
  2. #337290
  3. #2e6680
  4. #285970
  5. #224c60
  6. #1d4050
  7. #173340
  8. #112630
  9. #0b1920
  10. #060d10
  11. #000000

Tints

#397fa0 mixed progressively with white.

  1. #397fa0
  2. #4d8caa
  3. #6199b3
  4. #74a5bd
  5. #88b2c6
  6. #9cbfd0
  7. #b0ccd9
  8. #c4d9e3
  9. #d7e5ec
  10. #ebf2f6
  11. #ffffff

Tones

#397fa0 mixed progressively with gray.

  1. #397fa0
  2. #407f9d
  3. #477f9a
  4. #4e7f96
  5. #557f93
  6. #5d8090
  7. #64808d
  8. #6b808a
  9. #728086
  10. #798083
  11. #808080

Readable text 4.45:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.72:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #777777 ≈ 0.003% of males
Achromatomaly #647b89 ≈ 0.001% of males
Protanopia #6f7da2 ≈ 1.01% of males
Deuteranopia #6073a0 ≈ 1.27% of males
Tritanopia #00888a ≈ 0.0001% of males
Protanomaly #5e7ea1 ≈ 1.08% of males
Deuteranomaly #5378a0 ≈ 4.63% of males
Tritanomaly #008493 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-397fa0 {
  color: #397fa0;
}
Background
.bg-397fa0 {
  background-color: #397fa0;
  color: #000000;
}
Border
.border-397fa0 {
  border: 2px solid #397fa0;
}
CSS variables
:root {
  --color-primary: #397fa0;
  --color-primary-rgb: 57 127 160;
  --color-primary-hsl: 199 47% 43%;
}
Gradient
.gradient-397fa0 {
  background: linear-gradient(135deg, #397fa0, #394ca0);
}
Colored shadow
.shadow-397fa0 {
  box-shadow: 0 8px 24px rgb(57 127 160 / 0.35);
}

#007ba7 Cerulean ΔE 3.54 #4682b4 Steel Blue ΔE 6.14 #5d8aa8 Air Force Blue ΔE 6.15 #367588 Teal Blue ΔE 6.35 #0095b6 Bondi Blue ΔE 8.51 #417dc1 Tufts Blue ΔE 8.77 #006994 Sea Blue ΔE 8.82 #c6805f Inverted #777777 Grayscale 

Cerulean
#397fa0  rgb(57, 127, 160)  hsl(199, 47%, 43%)  Cerulean
#a05a39  rgb(160, 90, 57)  hsl(19, 47%, 43%)  Sienna
#a0397f  rgb(160, 57, 127)  hsl(319, 47%, 43%)  Deep Plum
#7fa039  rgb(127, 160, 57)  hsl(79, 47%, 43%)  Olive Drab