ColorTool
Log in
#273CB3

#273cb3 ≈ Persian Blue

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

#273cb3 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 15.29% red, 23.53% green and 70.2% blue; printed in CMYK it uses 78.21% cyan, 66.48% magenta, 0% yellow and 29.8% black. Its hue angle is 231°, with 64.22% saturation and 42.75% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and brand accents. White text on this color reaches a contrast ratio of 8.81:1 (WCAG AAA). The closest named color is Persian Blue (#1c39bb), ΔE 1.37.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0692

Complementary

  1. #273cb3
  2. #b39e27

Split complementary

  1. #273cb3
  2. #b35827
  3. #82b327

Analogous

  1. #2782b3
  2. #273cb3
  3. #5827b3

Triadic

  1. #273cb3
  2. #b3273c
  3. #3cb327

Tetradic

  1. #273cb3
  2. #9e27b3
  3. #b39e27
  4. #3cb327

Square

  1. #273cb3
  2. #b32782
  3. #b39e27
  4. #27b358

Monochromatic

  1. #0c1235
  2. #192774
  3. #273cb3
  4. #4e63d8
  5. #8d9ae6

Shades

#273cb3 mixed progressively with black.

  1. #273cb3
  2. #2336a1
  3. #1f308f
  4. #1b2a7d
  5. #17246b
  6. #141e5a
  7. #101848
  8. #0c1236
  9. #080c24
  10. #040612
  11. #000000

Tints

#273cb3 mixed progressively with white.

  1. #273cb3
  2. #3d50bb
  3. #5263c2
  4. #6877ca
  5. #7d8ad1
  6. #939ed9
  7. #a9b1e1
  8. #bec5e8
  9. #d4d8f0
  10. #e9ecf7
  11. #ffffff

Tones

#273cb3 mixed progressively with gray.

  1. #273cb3
  2. #3043ae
  3. #394aa9
  4. #4250a4
  5. #4b579f
  6. #545e9a
  7. #5c6594
  8. #656c8f
  9. #6e728a
  10. #777985
  11. #808080

Readable text 8.81:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.38:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #4a4a4a ≈ 0.003% of males
Achromatomaly #3f4582 ≈ 0.001% of males
Protanopia #0051b7 ≈ 1.01% of males
Deuteranopia #0044b1 ≈ 1.27% of males
Tritanopia #005c72 ≈ 0.0001% of males
Protanomaly #004ab5 ≈ 1.08% of males
Deuteranomaly #0041b2 ≈ 4.63% of males
Tritanomaly #005191 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-273cb3 {
  color: #273cb3;
}
Background
.bg-273cb3 {
  background-color: #273cb3;
  color: #ffffff;
}
Border
.border-273cb3 {
  border: 2px solid #273cb3;
}
CSS variables
:root {
  --color-primary: #273cb3;
  --color-primary-rgb: 39 60 179;
  --color-primary-hsl: 231 64% 43%;
}
Gradient
.gradient-273cb3 {
  background: linear-gradient(135deg, #273cb3, #5827b3);
}
Colored shadow
.shadow-273cb3 {
  box-shadow: 0 8px 24px rgb(39 60 179 / 0.35);
}

#1c39bb Persian Blue ΔE 1.37 #1034a6 Egyptian Blue ΔE 3.11 #003399 Smalt ΔE 4.94 #4f42b5 Ocean Blue ΔE 5.03 #0047ab Cobalt Blue ΔE 5.47 #483d8b Dark Slate Blue ΔE 7.77 #002395 Imperial Blue ΔE 7.78 #d8c34c Inverted #4a4a4a Grayscale 

Persian Blue
#273cb3  rgb(39, 60, 179)  hsl(231, 64%, 43%)  Persian Blue
#b39e27  rgb(179, 158, 39)  hsl(51, 64%, 43%)  Brass
#b3273c  rgb(179, 39, 60)  hsl(351, 64%, 43%)  Cardinal
#3cb327  rgb(60, 179, 39)  hsl(111, 64%, 43%)  Kelly Green