ColorTool
Log in
#613A31

#613a31 ≈ Caput Mortuum

  • red
  • Lightness: low
  • Saturation: muted
  • Warm
Check contrast Explore in graph Random color

#613a31 is a color from the red family, with low lightness and muted saturation. In the RGB model it is made of 38.04% red, 22.75% green and 19.22% blue; printed in CMYK it uses 0% cyan, 40.21% magenta, 49.48% yellow and 61.96% black. Its hue angle is 11.25°, with 32.88% saturation and 28.63% 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 9.73:1 (WCAG AAA). The closest named color is Caput Mortuum (#592720), ΔE 5.92.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#663333
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0579

Complementary

  1. #613a31
  2. #315861

Split complementary

  1. #613a31
  2. #316152
  3. #314061

Analogous

  1. #613140
  2. #613a31
  3. #615231

Triadic

  1. #613a31
  2. #31613a
  3. #3a3161

Tetradic

  1. #613a31
  2. #586131
  3. #315861
  4. #3a3161

Square

  1. #613a31
  2. #406131
  3. #315861
  4. #523161

Monochromatic

  1. #0e0807
  2. #2e1c17
  3. #613a31
  4. #94584b
  5. #b88073

Shades

#613a31 mixed progressively with black.

  1. #613a31
  2. #57342c
  3. #4e2e27
  4. #442922
  5. #3a231d
  6. #311d19
  7. #271714
  8. #1d110f
  9. #130c0a
  10. #0a0605
  11. #000000

Tints

#613a31 mixed progressively with white.

  1. #613a31
  2. #714e46
  3. #81615a
  4. #90756f
  5. #a08983
  6. #b09d98
  7. #c0b0ad
  8. #d0c4c1
  9. #dfd8d6
  10. #efebea
  11. #ffffff

Tones

#613a31 mixed progressively with gray.

  1. #613a31
  2. #644139
  3. #674841
  4. #6a4f49
  5. #6d5651
  6. #715d59
  7. #746460
  8. #776b68
  9. #7a7270
  10. #7d7978
  11. #808080

Readable text 9.73:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.16:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #444444 ≈ 0.003% of males
Achromatomaly #51403d ≈ 0.001% of males
Protanopia #433f30 ≈ 1.01% of males
Deuteranopia #4d4731 ≈ 1.27% of males
Tritanopia #693438 ≈ 0.0001% of males
Protanomaly #513d31 ≈ 1.08% of males
Deuteranomaly #554231 ≈ 4.63% of males
Tritanomaly #663735 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-613a31 {
  color: #613a31;
}
Background
.bg-613a31 {
  background-color: #613a31;
  color: #ffffff;
}
Border
.border-613a31 {
  border: 2px solid #613a31;
}
CSS variables
:root {
  --color-primary: #613a31;
  --color-primary-rgb: 97 58 49;
  --color-primary-hsl: 11 33% 29%;
}
Gradient
.gradient-613a31 {
  background: linear-gradient(135deg, #613a31, #615231);
}
Colored shadow
.shadow-613a31 {
  box-shadow: 0 8px 24px rgb(97 58 49 / 0.35);
}

#592720 Caput Mortuum ΔE 5.92 #674c47 Liver ΔE 6.87 #7c4848 Tuscan Red ΔE 8.16 #722f37 Wine ΔE 8.98 #6f4e37 Coffee ΔE 9.33 #635147 Umber ΔE 10.49 #3d2b1f Bistre ΔE 10.86 #9ec5ce Inverted #444444 Grayscale 

Caput Mortuum
#613a31  rgb(97, 58, 49)  hsl(11, 33%, 29%)  Caput Mortuum
#315861  rgb(49, 88, 97)  hsl(191, 33%, 29%)  Dark Slate Gray
#31613a  rgb(49, 97, 58)  hsl(131, 33%, 29%)  Hunter Green
#3a3161  rgb(58, 49, 97)  hsl(251, 33%, 29%)  Dark Slate Blue