ColorTool
Log in
#347BB5

#347bb5 ≈ Steel Blue

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

#347bb5 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 20.39% red, 48.24% green and 70.98% blue; printed in CMYK it uses 71.27% cyan, 32.04% magenta, 0% yellow and 29.02% black. Its hue angle is 206.98°, with 55.36% saturation and 45.69% 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 Steel Blue (#4682b4), ΔE 2.96.

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 luminance0.1823

Complementary

  1. #347bb5
  2. #b56e34

Split complementary

  1. #347bb5
  2. #b5343b
  3. #b5af34

Analogous

  1. #34b5af
  2. #347bb5
  3. #343bb5

Triadic

  1. #347bb5
  2. #b5347b
  3. #7bb534

Tetradic

  1. #347bb5
  2. #6e34b5
  3. #b56e34
  4. #7bb534

Square

  1. #347bb5
  2. #af34b5
  3. #b56e34
  4. #3bb534

Monochromatic

  1. #122a3e
  2. #23537a
  3. #347bb5
  4. #63a0d2
  5. #9fc4e3

Shades

#347bb5 mixed progressively with black.

  1. #347bb5
  2. #2f6fa3
  3. #2a6291
  4. #24567f
  5. #1f4a6d
  6. #1a3e5b
  7. #153148
  8. #102536
  9. #0a1924
  10. #050c12
  11. #000000

Tints

#347bb5 mixed progressively with white.

  1. #347bb5
  2. #4888bc
  3. #5d95c4
  4. #71a3cb
  5. #85b0d3
  6. #9abdda
  7. #aecae1
  8. #c2d7e9
  9. #d6e5f0
  10. #ebf2f8
  11. #ffffff

Tones

#347bb5 mixed progressively with gray.

  1. #347bb5
  2. #3c7cb0
  3. #437caa
  4. #4b7da5
  5. #527da0
  6. #5a7e9b
  7. #627e95
  8. #697f90
  9. #717f8b
  10. #788085
  11. #808080

Readable text 4.52:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.65:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #767676 ≈ 0.003% of males
Achromatomaly #627894 ≈ 0.001% of males
Protanopia #617db8 ≈ 1.01% of males
Deuteranopia #4f71b4 ≈ 1.27% of males
Tritanopia #008990 ≈ 0.0001% of males
Protanomaly #527cb7 ≈ 1.08% of males
Deuteranomaly #4675b4 ≈ 4.63% of males
Tritanomaly #0084a0 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-347bb5 {
  color: #347bb5;
}
Background
.bg-347bb5 {
  background-color: #347bb5;
  color: #000000;
}
Border
.border-347bb5 {
  border: 2px solid #347bb5;
}
CSS variables
:root {
  --color-primary: #347bb5;
  --color-primary-rgb: 52 123 181;
  --color-primary-hsl: 207 55% 46%;
}
Gradient
.gradient-347bb5 {
  background: linear-gradient(135deg, #347bb5, #343bb5);
}
Colored shadow
.shadow-347bb5 {
  box-shadow: 0 8px 24px rgb(52 123 181 / 0.35);
}

#4682b4 Steel Blue ΔE 2.96 #417dc1 Tufts Blue ΔE 3.01 #0072bb French Blue ΔE 3.70 #0073cf True Blue ΔE 4.02 #007ba7 Cerulean ΔE 6.27 #6082b6 Glaucous ΔE 7.12 #436b95 Queen Blue ΔE 7.17 #cb844a Inverted #767676 Grayscale 

Steel Blue
#347bb5  rgb(52, 123, 181)  hsl(207, 55%, 46%)  Steel Blue
#b56e34  rgb(181, 110, 52)  hsl(27, 55%, 46%)  Copper
#b5347b  rgb(181, 52, 123)  hsl(327, 55%, 46%)  Medium Violet Red
#7bb534  rgb(123, 181, 52)  hsl(87, 55%, 46%)  Apple Green