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#EF0331

#ef0331 ≈ Tractor Red

  • red
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ef0331 is a color from the red family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 1.18% green and 19.22% blue; printed in CMYK it uses 0% cyan, 98.74% magenta, 79.5% yellow and 6.27% black. Its hue angle is 348.31°, with 97.52% saturation and 47.45% 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 4.73:1 (WCAG AA). The closest named color is Tractor Red (#fd0e35), ΔE 3.22.

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 luminance0.1864

Complementary

  1. #ef0331
  2. #03efc1

Split complementary

  1. #ef0331
  2. #03ef4b
  3. #03a7ef

Analogous

  1. #ef03a7
  2. #ef0331
  3. #ef4b03

Triadic

  1. #ef0331
  2. #31ef03
  3. #0331ef

Tetradic

  1. #ef0331
  2. #efc103
  3. #03efc1
  4. #0331ef

Square

  1. #ef0331
  2. #a7ef03
  3. #03efc1
  4. #4b03ef

Monochromatic

  1. #580112
  2. #a30221
  3. #ef0331
  4. #fd4266
  5. #fe8da3

Shades

#ef0331 mixed progressively with black.

  1. #ef0331
  2. #d7032c
  3. #bf0227
  4. #a70222
  5. #8f021d
  6. #780219
  7. #600114
  8. #48010f
  9. #30010a
  10. #180005
  11. #000000

Tints

#ef0331 mixed progressively with white.

  1. #ef0331
  2. #f11c46
  3. #f2355a
  4. #f44f6f
  5. #f56883
  6. #f78198
  7. #f99aad
  8. #fab3c1
  9. #fccdd6
  10. #fde6ea
  11. #ffffff

Tones

#ef0331 mixed progressively with gray.

  1. #ef0331
  2. #e41039
  3. #d91c41
  4. #ce2949
  5. #c33551
  6. #b84259
  7. #ac4e60
  8. #a15b68
  9. #966770
  10. #8b7478
  11. #808080

Readable text 4.44:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.73:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #787878 ≈ 0.003% of males
Achromatomaly #b45e63 ≈ 0.001% of males
Protanopia #645a2f ≈ 1.01% of males
Deuteranopia #978726 ≈ 1.27% of males
Tritanopia #ff001f ≈ 0.0001% of males
Protanomaly #ae4630 ≈ 1.08% of males
Deuteranomaly #c16b2b ≈ 4.63% of males
Tritanomaly #fe0027 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-ef0331 {
  color: #ef0331;
}
Background
.bg-ef0331 {
  background-color: #ef0331;
  color: #000000;
}
Border
.border-ef0331 {
  border: 2px solid #ef0331;
}
CSS variables
:root {
  --color-primary: #ef0331;
  --color-primary-rgb: 239 3 49;
  --color-primary-hsl: 348 98% 47%;
}
Gradient
.gradient-ef0331 {
  background: linear-gradient(135deg, #ef0331, #ef4b03);
}
Colored shadow
.shadow-ef0331 {
  box-shadow: 0 8px 24px rgb(239 3 49 / 0.35);
}

#fd0e35 Tractor Red ΔE 3.22 #e30022 Cadmium Red ΔE 3.79 #e62020 Lust ΔE 4.74 #dc143c Crimson ΔE 5.17 #e34234 Cinnabar ΔE 5.55 #e34234 Vermilion ΔE 5.55 #cc3333 Persian Red ΔE 5.92 #10fcce Inverted #787878 Grayscale 

Tractor Red
#ef0331  rgb(239, 3, 49)  hsl(348, 98%, 47%)  Tractor Red
#03efc1  rgb(3, 239, 193)  hsl(168, 98%, 47%)  Aquamarine
#31ef03  rgb(49, 239, 3)  hsl(108, 98%, 47%)  Lime
#0331ef  rgb(3, 49, 239)  hsl(228, 98%, 47%)  Blue