ColorTool
Log in
#FC100B

#fc100b ≈ Red

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

#fc100b is a color from the red family, with medium lightness and vivid saturation. In the RGB model it is made of 98.82% red, 6.27% green and 4.31% blue; printed in CMYK it uses 0% cyan, 93.65% magenta, 95.63% yellow and 1.18% black. Its hue angle is 1.24°, with 97.57% saturation and 51.57% 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 5.22:1 (WCAG AA). The closest named color is Red (#ff0000), ΔE 0.86.

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 luminance0.2109

Complementary

  1. #fc100b
  2. #0bf7fc

Split complementary

  1. #fc100b
  2. #0bfc88
  3. #0b7ffc

Analogous

  1. #fc0b7f
  2. #fc100b
  3. #fc880b

Triadic

  1. #fc100b
  2. #0bfc10
  3. #100bfc

Tetradic

  1. #fc100b
  2. #f7fc0b
  3. #0bf7fc
  4. #100bfc

Square

  1. #fc100b
  2. #7ffc0b
  3. #0bf7fc
  4. #880bfc

Monochromatic

  1. #6d0401
  2. #b80602
  3. #fc100b
  4. #fd5a57
  5. #fea4a2

Shades

#fc100b mixed progressively with black.

  1. #fc100b
  2. #e30e0a
  3. #ca0d09
  4. #b00b08
  5. #970a07
  6. #7e0806
  7. #650604
  8. #4c0503
  9. #320302
  10. #190201
  11. #000000

Tints

#fc100b mixed progressively with white.

  1. #fc100b
  2. #fc2823
  3. #fd403c
  4. #fd5854
  5. #fd706d
  6. #fe8885
  7. #fe9f9d
  8. #feb7b6
  9. #fecfce
  10. #ffe7e7
  11. #ffffff

Tones

#fc100b mixed progressively with gray.

  1. #fc100b
  2. #f01b17
  3. #e32622
  4. #d7322e
  5. #ca3d3a
  6. #be4846
  7. #b25351
  8. #a55e5d
  9. #996a69
  10. #8c7574
  11. #808080

Readable text 4.02:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.22:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7f7f7f ≈ 0.003% of males
Achromatomaly #be6464 ≈ 0.001% of males
Protanopia #6d6000 ≈ 1.01% of males
Deuteranopia #a28f00 ≈ 1.27% of males
Tritanopia #ff0018 ≈ 0.0001% of males
Protanomaly #b84c03 ≈ 1.08% of males
Deuteranomaly #cc7200 ≈ 4.63% of males
Tritanomaly #ff0014 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-fc100b {
  color: #fc100b;
}
Background
.bg-fc100b {
  background-color: #fc100b;
  color: #000000;
}
Border
.border-fc100b {
  border: 2px solid #fc100b;
}
CSS variables
:root {
  --color-primary: #fc100b;
  --color-primary-rgb: 252 16 11;
  --color-primary-hsl: 1 98% 52%;
}
Gradient
.gradient-fc100b {
  background: linear-gradient(135deg, #fc100b, #fc880b);
}
Colored shadow
.shadow-fc100b {
  box-shadow: 0 8px 24px rgb(252 16 11 / 0.35);
}

#ff0000 Red ΔE 0.86 #ff0800 Candy Apple Red ΔE 1.01 #ff2400 Scarlet ΔE 2.46 #ff2800 Ferrari Red ΔE 2.83 #ff3800 Coquelicot ΔE 4.75 #e62020 Lust ΔE 5.03 #e34234 Cinnabar ΔE 5.79 #03eff4 Inverted #7f7f7f Grayscale 

Red
#fc100b  rgb(252, 16, 11)  hsl(1, 98%, 52%)  Red
#0bf7fc  rgb(11, 247, 252)  hsl(181, 98%, 52%)  Aqua
#0bfc10  rgb(11, 252, 16)  hsl(121, 98%, 52%)  Lime
#100bfc  rgb(16, 11, 252)  hsl(241, 98%, 52%)  Blue