ColorTool
Log in
#1237B7

#1237b7 ≈ Persian Blue

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

#1237b7 is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 7.06% red, 21.57% green and 71.76% blue; printed in CMYK it uses 90.16% cyan, 69.95% magenta, 0% yellow and 28.24% black. Its hue angle is 226.55°, with 82.09% saturation and 39.41% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 9.31:1 (WCAG AAA). The closest named color is Persian Blue (#1c39bb), ΔE 0.93.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0033cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0628

Complementary

  1. #1237b7
  2. #b79212

Split complementary

  1. #1237b7
  2. #b74012
  3. #89b712

Analogous

  1. #1289b7
  2. #1237b7
  3. #4012b7

Triadic

  1. #1237b7
  2. #b71237
  3. #37b712

Tetradic

  1. #1237b7
  2. #9212b7
  3. #b79212
  4. #37b712

Square

  1. #1237b7
  2. #b71289
  3. #b79212
  4. #12b740

Monochromatic

  1. #040d2c
  2. #0b2271
  3. #1237b7
  4. #2b56ea
  5. #718ef1

Shades

#1237b7 mixed progressively with black.

  1. #1237b7
  2. #1032a5
  3. #0e2c92
  4. #0d2780
  5. #0b216e
  6. #091c5c
  7. #071649
  8. #051137
  9. #040b25
  10. #020612
  11. #000000

Tints

#1237b7 mixed progressively with white.

  1. #1237b7
  2. #2a4bbe
  3. #415fc5
  4. #5973cd
  5. #7187d4
  6. #899bdb
  7. #a0afe2
  8. #b8c3e9
  9. #d0d7f1
  10. #e7ebf8
  11. #ffffff

Tones

#1237b7 mixed progressively with gray.

  1. #1237b7
  2. #1d3eb2
  3. #2846ac
  4. #334da7
  5. #3e54a1
  6. #495c9c
  7. #546396
  8. #5f6a91
  9. #6a718b
  10. #757986
  11. #808080

Readable text 9.31:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.26:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #474747 ≈ 0.003% of males
Achromatomaly #384183 ≈ 0.001% of males
Protanopia #004fbb ≈ 1.01% of males
Deuteranopia #003fb5 ≈ 1.27% of males
Tritanopia #005b73 ≈ 0.0001% of males
Protanomaly #0046b9 ≈ 1.08% of males
Deuteranomaly #003cb6 ≈ 4.63% of males
Tritanomaly #004f93 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1237b7 {
  color: #1237b7;
}
Background
.bg-1237b7 {
  background-color: #1237b7;
  color: #ffffff;
}
Border
.border-1237b7 {
  border: 2px solid #1237b7;
}
CSS variables
:root {
  --color-primary: #1237b7;
  --color-primary-rgb: 18 55 183;
  --color-primary-hsl: 227 82% 39%;
}
Gradient
.gradient-1237b7 {
  background: linear-gradient(135deg, #1237b7, #4012b7);
}
Colored shadow
.shadow-1237b7 {
  box-shadow: 0 8px 24px rgb(18 55 183 / 0.35);
}

#1c39bb Persian Blue ΔE 0.93 #1034a6 Egyptian Blue ΔE 2.44 #003399 Smalt ΔE 4.51 #0047ab Cobalt Blue ΔE 6.19 #4f42b5 Ocean Blue ΔE 6.31 #002395 Imperial Blue ΔE 6.81 #0014a8 Zaffre ΔE 8.13 #edc848 Inverted #474747 Grayscale 

Persian Blue
#1237b7  rgb(18, 55, 183)  hsl(227, 82%, 39%)  Persian Blue
#b79212  rgb(183, 146, 18)  hsl(47, 82%, 39%)  Dark Goldenrod
#b71237  rgb(183, 18, 55)  hsl(347, 82%, 39%)  Cardinal
#37b712  rgb(55, 183, 18)  hsl(107, 82%, 39%)  Kelly Green