ColorTool
Log in
#EF0804

#ef0804 ≈ Red

  • red
  • Lightness: medium
  • Saturation: vivid
  • Warm
Check contrast Explore in graph Random color

#ef0804 is a color from the red family, with medium lightness and vivid saturation. In the RGB model it is made of 93.73% red, 3.14% green and 1.57% blue; printed in CMYK it uses 0% cyan, 96.65% magenta, 98.33% yellow and 6.27% black. Its hue angle is 1.02°, with 96.71% saturation and 47.65% 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 4.71:1 (WCAG AA). The closest named color is Red (#ff0000), ΔE 3.27.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ff0000
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1853

Complementary

  1. #ef0804
  2. #04ebef

Split complementary

  1. #ef0804
  2. #04ef7e
  3. #0476ef

Analogous

  1. #ef0476
  2. #ef0804
  3. #ef7e04

Triadic

  1. #ef0804
  2. #04ef08
  3. #0804ef

Tetradic

  1. #ef0804
  2. #ebef04
  3. #04ebef
  4. #0804ef

Square

  1. #ef0804
  2. #76ef04
  3. #04ebef
  4. #7e04ef

Monochromatic

  1. #590301
  2. #a40503
  3. #ef0804
  4. #fc4744
  5. #fd918f

Shades

#ef0804 mixed progressively with black.

  1. #ef0804
  2. #d70704
  3. #bf0603
  4. #a70603
  5. #8f0502
  6. #780402
  7. #600302
  8. #480201
  9. #300201
  10. #180100
  11. #000000

Tints

#ef0804 mixed progressively with white.

  1. #ef0804
  2. #f1211d
  3. #f23936
  4. #f4524f
  5. #f56b68
  6. #f78482
  7. #f99c9b
  8. #fab5b4
  9. #fccecd
  10. #fde6e6
  11. #ffffff

Tones

#ef0804 mixed progressively with gray.

  1. #ef0804
  2. #e41410
  3. #d9201d
  4. #ce2c29
  5. #c33836
  6. #b84442
  7. #ac504e
  8. #a15c5b
  9. #966867
  10. #8b7474
  11. #808080

Readable text 4.46:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.71:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #777777 ≈ 0.003% of males
Achromatomaly #b45e5e ≈ 0.001% of males
Protanopia #665900 ≈ 1.01% of males
Deuteranopia #998700 ≈ 1.27% of males
Tritanopia #ff0012 ≈ 0.0001% of males
Protanomaly #ae4600 ≈ 1.08% of males
Deuteranomaly #c26b00 ≈ 4.63% of males
Tritanomaly #fe000d ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-ef0804 {
  color: #ef0804;
}
Background
.bg-ef0804 {
  background-color: #ef0804;
  color: #000000;
}
Border
.border-ef0804 {
  border: 2px solid #ef0804;
}
CSS variables
:root {
  --color-primary: #ef0804;
  --color-primary-rgb: 239 8 4;
  --color-primary-hsl: 1 97% 48%;
}
Gradient
.gradient-ef0804 {
  background: linear-gradient(135deg, #ef0804, #ef7e04);
}
Colored shadow
.shadow-ef0804 {
  box-shadow: 0 8px 24px rgb(239 8 4 / 0.35);
}

#ff0000 Red ΔE 3.27 #ff0800 Candy Apple Red ΔE 3.43 #e62020 Lust ΔE 3.54 #ff2400 Scarlet ΔE 4.68 #ff2800 Ferrari Red ΔE 5.01 #e30022 Cadmium Red ΔE 5.82 #e34234 Cinnabar ΔE 5.92 #10f7fb Inverted #777777 Grayscale 

Red
#ef0804  rgb(239, 8, 4)  hsl(1, 97%, 48%)  Red
#04ebef  rgb(4, 235, 239)  hsl(181, 97%, 48%)  Aqua
#04ef08  rgb(4, 239, 8)  hsl(121, 97%, 48%)  Lime
#0804ef  rgb(8, 4, 239)  hsl(241, 97%, 48%)  Blue