ColorTool
Log in
#330000

#330000 ≈ Caput Mortuum

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

#330000 is a color from the red family, with very low lightness and muted saturation. In the RGB model it is made of 20% red, 0% green and 0% blue; printed in CMYK it uses 0% cyan, 100% magenta, 100% yellow and 80% black. Its hue angle is 0°, with 100% saturation and 10% 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 18.41:1 (WCAG AAA). The closest named color is Caput Mortuum (#592720), ΔE 11.54.

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 luminance0.007

Complementary

  1. #330000
  2. #003333

Split complementary

  1. #330000
  2. #00331a
  3. #001933

Analogous

  1. #33001a
  2. #330000
  3. #331a00

Triadic

  1. #330000
  2. #003300
  3. #000033

Tetradic

  1. #330000
  2. #333300
  3. #003333
  4. #000033

Square

  1. #330000
  2. #1a3300
  3. #003333
  4. #190033

Monochromatic

  1. #140000
  2. #140000
  3. #330000
  4. #800000
  5. #cc0000

Shades

#330000 mixed progressively with black.

  1. #330000
  2. #2e0000
  3. #290000
  4. #240000
  5. #1f0000
  6. #1a0000
  7. #140000
  8. #0f0000
  9. #0a0000
  10. #050000
  11. #000000

Tints

#330000 mixed progressively with white.

  1. #330000
  2. #471a1a
  3. #5c3333
  4. #704d4d
  5. #856666
  6. #998080
  7. #ad9999
  8. #c2b3b3
  9. #d6cccc
  10. #ebe6e6
  11. #ffffff

Tones

#330000 mixed progressively with gray.

  1. #330000
  2. #3b0d0d
  3. #421a1a
  4. #4a2626
  5. #523333
  6. #5a4040
  7. #614d4d
  8. #695a5a
  9. #716666
  10. #787373
  11. #808080

Readable text 18.41:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.14:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #141414 ≈ 0.003% of males
Achromatomaly #240e0e ≈ 0.001% of males
Protanopia #100c00 ≈ 1.01% of males
Deuteranopia #1d1800 ≈ 1.27% of males
Tritanopia #390001 ≈ 0.0001% of males
Protanomaly #220700 ≈ 1.08% of males
Deuteranomaly #271100 ≈ 4.63% of males
Tritanomaly #370000 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-330000 {
  color: #330000;
}
Background
.bg-330000 {
  background-color: #330000;
  color: #ffffff;
}
Border
.border-330000 {
  border: 2px solid #330000;
}
CSS variables
:root {
  --color-primary: #330000;
  --color-primary-rgb: 51 0 0;
  --color-primary-hsl: 0 100% 10%;
}
Gradient
.gradient-330000 {
  background: linear-gradient(135deg, #330000, #331a00);
}
Colored shadow
.shadow-330000 {
  box-shadow: 0 8px 24px rgb(51 0 0 / 0.35);
}

#592720 Caput Mortuum ΔE 11.54 #65000b Rosewood ΔE 12.03 #722f37 Wine ΔE 15.60 #66023c Tyrian Purple ΔE 15.69 #1a1110 Licorice ΔE 15.84 #800020 Burgundy ΔE 16.00 #7f1734 Claret ΔE 16.45 #ccffff Inverted #141414 Grayscale 

Caput Mortuum
#330000  rgb(51, 0, 0)  hsl(0, 100%, 10%)  Caput Mortuum
#003333  rgb(0, 51, 51)  hsl(180, 100%, 10%)  Midnight Green
#003300  rgb(0, 51, 0)  hsl(120, 100%, 10%)  British Racing Green
#000033  rgb(0, 0, 51)  hsl(240, 100%, 10%)  Oxford Blue