ColorTool
Log in
#397CA1

#397ca1 ≈ Cerulean

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

#397ca1 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 22.35% red, 48.63% green and 63.14% blue; printed in CMYK it uses 64.6% cyan, 22.98% magenta, 0% yellow and 36.86% black. Its hue angle is 201.35°, with 47.71% saturation and 42.75% 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. White text on this color reaches a contrast ratio of 4.59:1 (WCAG AA). The closest named color is Cerulean (#007ba7), ΔE 2.96.

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 luminance0.1786

Complementary

  1. #397ca1
  2. #a15e39

Split complementary

  1. #397ca1
  2. #a13948
  3. #a19239

Analogous

  1. #39a192
  2. #397ca1
  3. #3948a1

Triadic

  1. #397ca1
  2. #a1397c
  3. #7ca139

Tetradic

  1. #397ca1
  2. #5e39a1
  3. #a15e39
  4. #7ca139

Square

  1. #397ca1
  2. #9239a1
  3. #a15e39
  4. #48a139

Monochromatic

  1. #112530
  2. #255069
  3. #397ca1
  4. #60a2c7
  5. #98c3db

Shades

#397ca1 mixed progressively with black.

  1. #397ca1
  2. #337091
  3. #2e6381
  4. #285771
  5. #224a61
  6. #1d3e51
  7. #173240
  8. #112530
  9. #0b1920
  10. #060c10
  11. #000000

Tints

#397ca1 mixed progressively with white.

  1. #397ca1
  2. #4d89aa
  3. #6196b4
  4. #74a3bd
  5. #88b0c7
  6. #9cbed0
  7. #b0cbd9
  8. #c4d8e3
  9. #d7e5ec
  10. #ebf2f6
  11. #ffffff

Tones

#397ca1 mixed progressively with gray.

  1. #397ca1
  2. #407c9e
  3. #477d9a
  4. #4e7d97
  5. #557e94
  6. #5d7e91
  7. #647e8d
  8. #6b7f8a
  9. #727f87
  10. #798083
  11. #808080

Readable text 4.59:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.57:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #757575 ≈ 0.003% of males
Achromatomaly #637889 ≈ 0.001% of males
Protanopia #6a7ba3 ≈ 1.01% of males
Deuteranopia #5c71a0 ≈ 1.27% of males
Tritanopia #008688 ≈ 0.0001% of males
Protanomaly #5b7ba2 ≈ 1.08% of males
Deuteranomaly #5075a1 ≈ 4.63% of males
Tritanomaly #008293 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-397ca1 {
  color: #397ca1;
}
Background
.bg-397ca1 {
  background-color: #397ca1;
  color: #ffffff;
}
Border
.border-397ca1 {
  border: 2px solid #397ca1;
}
CSS variables
:root {
  --color-primary: #397ca1;
  --color-primary-rgb: 57 124 161;
  --color-primary-hsl: 201 48% 43%;
}
Gradient
.gradient-397ca1 {
  background: linear-gradient(135deg, #397ca1, #3948a1);
}
Colored shadow
.shadow-397ca1 {
  box-shadow: 0 8px 24px rgb(57 124 161 / 0.35);
}

#007ba7 Cerulean ΔE 2.96 #4682b4 Steel Blue ΔE 5.04 #5d8aa8 Air Force Blue ΔE 6.65 #0072bb French Blue ΔE 6.99 #417dc1 Tufts Blue ΔE 7.15 #367588 Teal Blue ΔE 7.22 #006994 Sea Blue ΔE 7.56 #c6835e Inverted #757575 Grayscale 

Cerulean
#397ca1  rgb(57, 124, 161)  hsl(201, 48%, 43%)  Cerulean
#a15e39  rgb(161, 94, 57)  hsl(21, 48%, 43%)  Sienna
#a1397c  rgb(161, 57, 124)  hsl(321, 48%, 43%)  Deep Plum
#7ca139  rgb(124, 161, 57)  hsl(81, 48%, 43%)  Olive Drab