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#EF033B

#ef033b ≈ Crimson

  • red
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#ef033b 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 23.14% blue; printed in CMYK it uses 0% cyan, 98.74% magenta, 75.31% yellow and 6.27% black. Its hue angle is 345.76°, 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 4.75:1 (WCAG AA). The closest named color is Crimson (#dc143c), ΔE 3.87.

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 luminance0.1873

Complementary

  1. #ef033b
  2. #03efb7

Split complementary

  1. #ef033b
  2. #03ef41
  3. #03b1ef

Analogous

  1. #ef03b1
  2. #ef033b
  3. #ef4103

Triadic

  1. #ef033b
  2. #3bef03
  3. #033bef

Tetradic

  1. #ef033b
  2. #efb703
  3. #03efb7
  4. #033bef

Square

  1. #ef033b
  2. #b1ef03
  3. #03efb7
  4. #4103ef

Monochromatic

  1. #580116
  2. #a30228
  3. #ef033b
  4. #fd426e
  5. #fe8da8

Shades

#ef033b mixed progressively with black.

  1. #ef033b
  2. #d70335
  3. #bf022f
  4. #a70229
  5. #8f0223
  6. #78021e
  7. #600118
  8. #480112
  9. #30010c
  10. #180006
  11. #000000

Tints

#ef033b mixed progressively with white.

  1. #ef033b
  2. #f11c4f
  3. #f23562
  4. #f44f76
  5. #f56889
  6. #f7819d
  7. #f99ab1
  8. #fab3c4
  9. #fccdd8
  10. #fde6eb
  11. #ffffff

Tones

#ef033b mixed progressively with gray.

  1. #ef033b
  2. #e41042
  3. #d91c49
  4. #ce2950
  5. #c33557
  6. #b8425e
  7. #ac4e64
  8. #a15b6b
  9. #966772
  10. #8b7479
  11. #808080

Readable text 4.42:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.75:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #787878 ≈ 0.003% of males
Achromatomaly #b45e65 ≈ 0.001% of males
Protanopia #625b3a ≈ 1.01% of males
Deuteranopia #978832 ≈ 1.27% of males
Tritanopia #ff0024 ≈ 0.0001% of males
Protanomaly #ad473b ≈ 1.08% of males
Deuteranomaly #c06b36 ≈ 4.63% of males
Tritanomaly #fe002f ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-ef033b {
  color: #ef033b;
}
Background
.bg-ef033b {
  background-color: #ef033b;
  color: #000000;
}
Border
.border-ef033b {
  border: 2px solid #ef033b;
}
CSS variables
:root {
  --color-primary: #ef033b;
  --color-primary-rgb: 239 3 59;
  --color-primary-hsl: 346 98% 47%;
}
Gradient
.gradient-ef033b {
  background: linear-gradient(135deg, #ef033b, #ef4103);
}
Colored shadow
.shadow-ef033b {
  box-shadow: 0 8px 24px rgb(239 3 59 / 0.35);
}

#dc143c Crimson ΔE 3.87 #fd0e35 Tractor Red ΔE 4.16 #e52b50 Amaranth ΔE 4.85 #ff004f Folly ΔE 5.12 #e30022 Cadmium Red ΔE 5.80 #cc3333 Persian Red ΔE 6.60 #e62020 Lust ΔE 7.11 #10fcc4 Inverted #787878 Grayscale 

Crimson
#ef033b  rgb(239, 3, 59)  hsl(346, 98%, 47%)  Crimson
#03efb7  rgb(3, 239, 183)  hsl(166, 98%, 47%)  Aquamarine
#3bef03  rgb(59, 239, 3)  hsl(106, 98%, 47%)  Neon Green
#033bef  rgb(3, 59, 239)  hsl(226, 98%, 47%)  Persian Blue