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#42100A

#42100a ≈ Caput Mortuum

  • red
  • Lightness: very low
  • Saturation: muted
  • Warm
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#42100a is a color from the red family, with very low lightness and muted saturation. In the RGB model it is made of 25.88% red, 6.27% green and 3.92% blue; printed in CMYK it uses 0% cyan, 75.76% magenta, 84.85% yellow and 74.12% black. Its hue angle is 6.43°, with 73.68% saturation and 14.9% 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 luxury branding. White text on this color reaches a contrast ratio of 16.03:1 (WCAG AAA). The closest named color is Caput Mortuum (#592720), ΔE 6.57.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#330000
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0155

Complementary

  1. #42100a
  2. #0a3c42

Split complementary

  1. #42100a
  2. #0a422c
  3. #0a2042

Analogous

  1. #420a20
  2. #42100a
  3. #422c0a

Triadic

  1. #42100a
  2. #0a4210
  3. #100a42

Tetradic

  1. #42100a
  2. #3c420a
  3. #0a3c42
  4. #100a42

Square

  1. #42100a
  2. #20420a
  3. #0a3c42
  4. #2c0a42

Monochromatic

  1. #120403
  2. #120403
  3. #42100a
  4. #842014
  5. #c7301e

Shades

#42100a mixed progressively with black.

  1. #42100a
  2. #3b0e09
  3. #350d08
  4. #2e0b07
  5. #280a06
  6. #210805
  7. #1a0604
  8. #140503
  9. #0d0302
  10. #070201
  11. #000000

Tints

#42100a mixed progressively with white.

  1. #42100a
  2. #552823
  3. #68403b
  4. #7b5854
  5. #8e706c
  6. #a18885
  7. #b39f9d
  8. #c6b7b6
  9. #d9cfce
  10. #ece7e7
  11. #ffffff

Tones

#42100a mixed progressively with gray.

  1. #42100a
  2. #481b16
  3. #4e2622
  4. #55322d
  5. #5b3d39
  6. #614845
  7. #675351
  8. #6d5e5d
  9. #746a68
  10. #7a7574
  11. #808080

Readable text 16.03:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.31:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #212121 ≈ 0.003% of males
Achromatomaly #311c1a ≈ 0.001% of males
Protanopia #1e1a09 ≈ 1.01% of males
Deuteranopia #2b2508 ≈ 1.27% of males
Tritanopia #49030f ≈ 0.0001% of males
Protanomaly #301709 ≈ 1.08% of males
Deuteranomaly #351f09 ≈ 4.63% of males
Tritanomaly #47090d ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-42100a {
  color: #42100a;
}
Background
.bg-42100a {
  background-color: #42100a;
  color: #ffffff;
}
Border
.border-42100a {
  border: 2px solid #42100a;
}
CSS variables
:root {
  --color-primary: #42100a;
  --color-primary-rgb: 66 16 10;
  --color-primary-hsl: 6 74% 15%;
}
Gradient
.gradient-42100a {
  background: linear-gradient(135deg, #42100a, #422c0a);
}
Colored shadow
.shadow-42100a {
  box-shadow: 0 8px 24px rgb(66 16 10 / 0.35);
}

#592720 Caput Mortuum ΔE 6.57 #65000b Rosewood ΔE 8.33 #722f37 Wine ΔE 12.88 #801818 Falu Red ΔE 13.13 #3d2b1f Bistre ΔE 13.15 #800020 Burgundy ΔE 13.28 #800000 Maroon ΔE 14.08 #bdeff5 Inverted #212121 Grayscale 

Caput Mortuum
#42100a  rgb(66, 16, 10)  hsl(6, 74%, 15%)  Caput Mortuum
#0a3c42  rgb(10, 60, 66)  hsl(186, 74%, 15%)  Midnight Green
#0a4210  rgb(10, 66, 16)  hsl(126, 74%, 15%)  British Racing Green
#100a42  rgb(16, 10, 66)  hsl(246, 74%, 15%)  Midnight Blue