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#EF103B

#ef103b ≈ Tractor Red

  • red
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ef103b is a color from the red family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 6.27% green and 23.14% blue; printed in CMYK it uses 0% cyan, 93.31% magenta, 75.31% yellow and 6.27% black. Its hue angle is 348.43°, with 87.45% saturation and 50% lightness in HSL. It is a warm color, often associated with energy, passion and urgency. Designers typically use it for food and restaurant brands, sales and promotions and call-to-action buttons. Black text on this color reaches a contrast ratio of 4.81:1 (WCAG AA). The closest named color is Tractor Red (#fd0e35), ΔE 3.69.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ff0033
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1904

Complementary

  1. #ef103b
  2. #10efc4

Split complementary

  1. #ef103b
  2. #10ef54
  3. #10abef

Analogous

  1. #ef10ab
  2. #ef103b
  3. #ef5410

Triadic

  1. #ef103b
  2. #3bef10
  3. #103bef

Tetradic

  1. #ef103b
  2. #efc410
  3. #10efc4
  4. #103bef

Square

  1. #ef103b
  2. #abef10
  3. #10efc4
  4. #5410ef

Monochromatic

  1. #600618
  2. #a70b29
  3. #ef103b
  4. #f45876
  5. #f99fb1

Shades

#ef103b mixed progressively with black.

  1. #ef103b
  2. #d70e35
  3. #bf0d2f
  4. #a70b29
  5. #8f0a23
  6. #78081e
  7. #600618
  8. #480512
  9. #30030c
  10. #180206
  11. #000000

Tints

#ef103b mixed progressively with white.

  1. #ef103b
  2. #f1284f
  3. #f24062
  4. #f45876
  5. #f57089
  6. #f7889d
  7. #f99fb1
  8. #fab7c4
  9. #fccfd8
  10. #fde7eb
  11. #ffffff

Tones

#ef103b mixed progressively with gray.

  1. #ef103b
  2. #e41b42
  3. #d92649
  4. #ce3250
  5. #c33d57
  6. #b8485e
  7. #ac5364
  8. #a15e6b
  9. #966a72
  10. #8b7579
  11. #808080

Readable text 4.37:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.81:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #797979 ≈ 0.003% of males
Achromatomaly #b56066 ≈ 0.001% of males
Protanopia #645c3a ≈ 1.01% of males
Deuteranopia #978832 ≈ 1.27% of males
Tritanopia #ff0028 ≈ 0.0001% of males
Protanomaly #ae493a ≈ 1.08% of males
Deuteranomaly #c16c36 ≈ 4.63% of males
Tritanomaly #fe0030 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-ef103b {
  color: #ef103b;
}
Background
.bg-ef103b {
  background-color: #ef103b;
  color: #000000;
}
Border
.border-ef103b {
  border: 2px solid #ef103b;
}
CSS variables
:root {
  --color-primary: #ef103b;
  --color-primary-rgb: 239 16 59;
  --color-primary-hsl: 348 87% 50%;
}
Gradient
.gradient-ef103b {
  background: linear-gradient(135deg, #ef103b, #ef5410);
}
Colored shadow
.shadow-ef103b {
  box-shadow: 0 8px 24px rgb(239 16 59 / 0.35);
}

#fd0e35 Tractor Red ΔE 3.69 #dc143c Crimson ΔE 4.24 #e52b50 Amaranth ΔE 5.09 #ff004f Folly ΔE 5.21 #e30022 Cadmium Red ΔE 5.66 #cc3333 Persian Red ΔE 6.55 #e34234 Cinnabar ΔE 6.76 #10efc4 Inverted #797979 Grayscale 

Tractor Red
#ef103b  rgb(239, 16, 59)  hsl(348, 87%, 50%)  Tractor Red
#10efc4  rgb(16, 239, 196)  hsl(168, 87%, 50%)  Aquamarine
#3bef10  rgb(59, 239, 16)  hsl(108, 87%, 50%)  Neon Green
#103bef  rgb(16, 59, 239)  hsl(228, 87%, 50%)  Han Purple