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#1B00A4

#1b00a4 ≈ Zaffre

  • blue
  • Lightness: low
  • Saturation: strong
  • Cool
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#1b00a4 is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 10.59% red, 0% green and 64.31% blue; printed in CMYK it uses 83.54% cyan, 100% magenta, 0% yellow and 35.69% black. Its hue angle is 249.88°, with 100% saturation and 32.16% 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 corporate identities. White text on this color reaches a contrast ratio of 13.27:1 (WCAG AAA). The closest named color is Zaffre (#0014a8), ΔE 2.53.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#330099
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0291

Complementary

  1. #1b00a4
  2. #89a400

Split complementary

  1. #1b00a4
  2. #a46d00
  3. #37a400

Analogous

  1. #0037a4
  2. #1b00a4
  3. #6d00a4

Triadic

  1. #1b00a4
  2. #a41b00
  3. #00a41b

Tetradic

  1. #1b00a4
  2. #a40089
  3. #89a400
  4. #00a41b

Square

  1. #1b00a4
  2. #a40037
  3. #89a400
  4. #00a46d

Monochromatic

  1. #030014
  2. #0e0058
  3. #1b00a4
  4. #2800f1
  5. #5e3eff

Shades

#1b00a4 mixed progressively with black.

  1. #1b00a4
  2. #180094
  3. #160083
  4. #130073
  5. #100062
  6. #0e0052
  7. #0b0042
  8. #080031
  9. #050021
  10. #030010
  11. #000000

Tints

#1b00a4 mixed progressively with white.

  1. #1b00a4
  2. #321aad
  3. #4933b6
  4. #5f4dbf
  5. #7666c8
  6. #8d80d2
  7. #a499db
  8. #bbb3e4
  9. #d1cced
  10. #e8e6f6
  11. #ffffff

Tones

#1b00a4 mixed progressively with gray.

  1. #1b00a4
  2. #250da0
  3. #2f1a9d
  4. #392699
  5. #433396
  6. #4e4092
  7. #584d8e
  8. #625a8b
  9. #6c6687
  10. #767384
  11. #808080

Readable text 13.27:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.58:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #303030 ≈ 0.003% of males
Achromatomaly #292471 ≈ 0.001% of males
Protanopia #0037a8 ≈ 1.01% of males
Deuteranopia #0027a2 ≈ 1.27% of males
Tritanopia #00425e ≈ 0.0001% of males
Protanomaly #002aa6 ≈ 1.08% of males
Deuteranomaly #001da3 ≈ 4.63% of males
Tritanomaly #003280 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1b00a4 {
  color: #1b00a4;
}
Background
.bg-1b00a4 {
  background-color: #1b00a4;
  color: #ffffff;
}
Border
.border-1b00a4 {
  border: 2px solid #1b00a4;
}
CSS variables
:root {
  --color-primary: #1b00a4;
  --color-primary-rgb: 27 0 164;
  --color-primary-hsl: 250 100% 32%;
}
Gradient
.gradient-1b00a4 {
  background: linear-gradient(135deg, #1b00a4, #6d00a4);
}
Colored shadow
.shadow-1b00a4 {
  box-shadow: 0 8px 24px rgb(27 0 164 / 0.35);
}

#0014a8 Zaffre ΔE 2.53 #00008b Dark Blue ΔE 3.83 #000f89 Phthalo Blue ΔE 4.30 #0000cd Medium Blue ΔE 5.10 #000080 Navy ΔE 5.35 #002395 Imperial Blue ΔE 6.17 #32127a Persian Indigo ΔE 6.45 #e4ff5b Inverted #303030 Grayscale 

Zaffre
#1b00a4  rgb(27, 0, 164)  hsl(250, 100%, 32%)  Zaffre
#89a400  rgb(137, 164, 0)  hsl(70, 100%, 32%)  Apple Green
#a41b00  rgb(164, 27, 0)  hsl(10, 100%, 32%)  Rufous
#00a41b  rgb(0, 164, 27)  hsl(130, 100%, 32%)  Islamic Green