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#003FEF

#003fef ≈ Persian Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#003fef is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 0% red, 24.71% green and 93.73% blue; printed in CMYK it uses 100% cyan, 73.64% magenta, 0% yellow and 6.27% black. Its hue angle is 224.18°, with 100% saturation and 46.86% 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 7.1:1 (WCAG AAA). The closest named color is Persian Blue (#1c39bb), ΔE 6.66.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0033ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0979

Complementary

  1. #003fef
  2. #efb000

Split complementary

  1. #003fef
  2. #ef3800
  3. #b7ef00

Analogous

  1. #00b7ef
  2. #003fef
  3. #3800ef

Triadic

  1. #003fef
  2. #ef003f
  3. #3fef00

Tetradic

  1. #003fef
  2. #b000ef
  3. #efb000
  4. #3fef00

Square

  1. #003fef
  2. #ef00b7
  3. #efb000
  4. #00ef38

Monochromatic

  1. #001756
  2. #002ba2
  3. #003fef
  4. #3c70ff
  5. #89a8ff

Shades

#003fef mixed progressively with black.

  1. #003fef
  2. #0039d7
  3. #0032bf
  4. #002ca7
  5. #00268f
  6. #002078
  7. #001960
  8. #001348
  9. #000d30
  10. #000618
  11. #000000

Tints

#003fef mixed progressively with white.

  1. #003fef
  2. #1a52f1
  3. #3365f2
  4. #4d79f4
  5. #668cf5
  6. #809ff7
  7. #99b2f9
  8. #b3c5fa
  9. #ccd9fc
  10. #e6ecfd
  11. #ffffff

Tones

#003fef mixed progressively with gray.

  1. #003fef
  2. #0d46e4
  3. #1a4cd9
  4. #2653ce
  5. #3359c3
  6. #4060b8
  7. #4d66ac
  8. #5a6da1
  9. #667396
  10. #737a8b
  11. #808080

Readable text 7.1:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.96:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #585858 ≈ 0.003% of males
Achromatomaly #454faa ≈ 0.001% of males
Protanopia #0063f4 ≈ 1.01% of males
Deuteranopia #004dec ≈ 1.27% of males
Tritanopia #007494 ≈ 0.0001% of males
Protanomaly #0057f2 ≈ 1.08% of males
Deuteranomaly #0048ed ≈ 4.63% of males
Tritanomaly #0063bf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-003fef {
  color: #003fef;
}
Background
.bg-003fef {
  background-color: #003fef;
  color: #ffffff;
}
Border
.border-003fef {
  border: 2px solid #003fef;
}
CSS variables
:root {
  --color-primary: #003fef;
  --color-primary-rgb: 0 63 239;
  --color-primary-hsl: 224 100% 47%;
}
Gradient
.gradient-003fef {
  background: linear-gradient(135deg, #003fef, #3800ef);
}
Colored shadow
.shadow-003fef {
  box-shadow: 0 8px 24px rgb(0 63 239 / 0.35);
}

#1c39bb Persian Blue ΔE 6.66 #5a4fcf Iris ΔE 7.09 #5218fa Han Purple ΔE 7.28 #6050dc Majorelle Blue ΔE 7.41 #0000ff Blue ΔE 7.78 #3f00ff Ultramarine ΔE 7.81 #4f42b5 Ocean Blue ΔE 7.86 #ffc010 Inverted #585858 Grayscale 

Persian Blue
#003fef  rgb(0, 63, 239)  hsl(224, 100%, 47%)  Persian Blue
#efb000  rgb(239, 176, 0)  hsl(44, 100%, 47%)  Amber
#ef003f  rgb(239, 0, 63)  hsl(344, 100%, 47%)  Crimson
#3fef00  rgb(63, 239, 0)  hsl(104, 100%, 47%)  Neon Green