ColorTool
Log in
#511F03

#511f03 ≈ Caput Mortuum

  • brown
  • Lightness: very low
  • Saturation: moderate
  • Warm
Check contrast Explore in graph Random color

#511f03 is a color from the brown family, with very low lightness and moderate saturation. In the RGB model it is made of 31.76% red, 12.16% green and 1.18% blue; printed in CMYK it uses 0% cyan, 61.73% magenta, 96.3% yellow and 68.24% black. Its hue angle is 21.54°, with 92.86% saturation and 16.47% lightness in HSL. It is a warm color, often associated with reliability, warmth and earthiness. Designers typically use it for cafés and coffee brands, rustic and natural styles and luxury branding. White text on this color reaches a contrast ratio of 13.57:1 (WCAG AAA). The closest named color is Caput Mortuum (#592720), ΔE 7.68.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#663300
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0274

Complementary

  1. #511f03
  2. #033551

Split complementary

  1. #511f03
  2. #035146
  3. #030e51

Analogous

  1. #51030e
  2. #511f03
  3. #514603

Triadic

  1. #511f03
  2. #03511f
  3. #1f0351

Tetradic

  1. #511f03
  2. #355103
  3. #033551
  4. #1f0351

Square

  1. #511f03
  2. #0e5103
  3. #033551
  4. #460351

Monochromatic

  1. #140801
  2. #140801
  3. #511f03
  4. #9b3b06
  5. #e55708

Shades

#511f03 mixed progressively with black.

  1. #511f03
  2. #491c03
  3. #411902
  4. #391602
  5. #311302
  6. #291002
  7. #200c01
  8. #180901
  9. #100601
  10. #080300
  11. #000000

Tints

#511f03 mixed progressively with white.

  1. #511f03
  2. #62351c
  3. #744c35
  4. #85624f
  5. #977968
  6. #a88f81
  7. #b9a59a
  8. #cbbcb3
  9. #dcd2cd
  10. #eee9e6
  11. #ffffff

Tones

#511f03 mixed progressively with gray.

  1. #511f03
  2. #562910
  3. #5a321c
  4. #5f3c29
  5. #644635
  6. #695042
  7. #6d594e
  8. #72635b
  9. #776d67
  10. #7b7674
  11. #808080

Readable text 13.57:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.55:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #2e2e2e ≈ 0.003% of males
Achromatomaly #3f2923 ≈ 0.001% of males
Protanopia #2d2700 ≈ 1.01% of males
Deuteranopia #3a3202 ≈ 1.27% of males
Tritanopia #5a131a ≈ 0.0001% of males
Protanomaly #3f2401 ≈ 1.08% of males
Deuteranomaly #442c02 ≈ 4.63% of males
Tritanomaly #561813 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-511f03 {
  color: #511f03;
}
Background
.bg-511f03 {
  background-color: #511f03;
  color: #ffffff;
}
Border
.border-511f03 {
  border: 2px solid #511f03;
}
CSS variables
:root {
  --color-primary: #511f03;
  --color-primary-rgb: 81 31 3;
  --color-primary-hsl: 22 93% 16%;
}
Gradient
.gradient-511f03 {
  background: linear-gradient(135deg, #511f03, #514603);
}
Colored shadow
.shadow-511f03 {
  box-shadow: 0 8px 24px rgb(81 31 3 / 0.35);
}

#592720 Caput Mortuum ΔE 7.68 #65000b Rosewood ΔE 10.72 #3d2b1f Bistre ΔE 11.46 #800000 Maroon ΔE 11.80 #882d17 Kobe ΔE 12.10 #704214 Sepia ΔE 12.29 #801818 Falu Red ΔE 12.37 #aee0fc Inverted #2e2e2e Grayscale 

Caput Mortuum
#511f03  rgb(81, 31, 3)  hsl(22, 93%, 16%)  Caput Mortuum
#033551  rgb(3, 53, 81)  hsl(202, 93%, 16%)  Prussian Blue
#03511f  rgb(3, 81, 31)  hsl(142, 93%, 16%)  Lincoln Green
#1f0351  rgb(31, 3, 81)  hsl(262, 93%, 16%)  Midnight Blue