ColorTool
Log in
#AA102B

#aa102b ≈ Brown

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

#aa102b is a color from the red family, with low lightness and strong saturation. In the RGB model it is made of 66.67% red, 6.27% green and 16.86% blue; printed in CMYK it uses 0% cyan, 90.59% magenta, 74.71% yellow and 33.33% black. Its hue angle is 349.48°, with 82.8% saturation and 36.47% 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. White text on this color reaches a contrast ratio of 7.45:1 (WCAG AAA). The closest named color is Brown (#a52a2a), ΔE 3.81.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#990033
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0909

Complementary

  1. #aa102b
  2. #10aa8f

Split complementary

  1. #aa102b
  2. #10aa42
  3. #1078aa

Analogous

  1. #aa1078
  2. #aa102b
  3. #aa4210

Triadic

  1. #aa102b
  2. #2baa10
  3. #102baa

Tetradic

  1. #aa102b
  2. #aa8f10
  3. #10aa8f
  4. #102baa

Square

  1. #aa102b
  2. #78aa10
  3. #10aa8f
  4. #4210aa

Monochromatic

  1. #1e0308
  2. #640919
  3. #aa102b
  4. #ea1d41
  5. #f0637c

Shades

#aa102b mixed progressively with black.

  1. #aa102b
  2. #990e27
  3. #880d22
  4. #770b1e
  5. #660a1a
  6. #550816
  7. #440611
  8. #33050d
  9. #220309
  10. #110204
  11. #000000

Tints

#aa102b mixed progressively with white.

  1. #aa102b
  2. #b32840
  3. #bb4055
  4. #c4586b
  5. #cc7080
  6. #d58895
  7. #dd9faa
  8. #e6b7bf
  9. #eecfd5
  10. #f7e7ea
  11. #ffffff

Tones

#aa102b mixed progressively with gray.

  1. #aa102b
  2. #a61b34
  3. #a2263c
  4. #9d3245
  5. #993d4d
  6. #954856
  7. #91535e
  8. #8d5e67
  9. #886a6f
  10. #847578
  11. #808080

Readable text 7.45:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.82:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #555555 ≈ 0.003% of males
Achromatomaly #804348 ≈ 0.001% of males
Protanopia #46412a ≈ 1.01% of males
Deuteranopia #6b6025 ≈ 1.27% of males
Tritanopia #bc001e ≈ 0.0001% of males
Protanomaly #7b332b ≈ 1.08% of males
Deuteranomaly #894c28 ≈ 4.63% of males
Tritanomaly #b50024 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-aa102b {
  color: #aa102b;
}
Background
.bg-aa102b {
  background-color: #aa102b;
  color: #ffffff;
}
Border
.border-aa102b {
  border: 2px solid #aa102b;
}
CSS variables
:root {
  --color-primary: #aa102b;
  --color-primary-rgb: 170 16 43;
  --color-primary-hsl: 349 83% 36%;
}
Gradient
.gradient-aa102b {
  background: linear-gradient(135deg, #aa102b, #aa4210);
}
Colored shadow
.shadow-aa102b {
  box-shadow: 0 8px 24px rgb(170 16 43 / 0.35);
}

#a52a2a Brown ΔE 3.81 #a52a2a Auburn ΔE 3.81 #9f1d35 Vivid Burgundy ΔE 3.82 #960018 Carmine ΔE 5.40 #b22222 Firebrick ΔE 5.55 #c41e3a Cardinal ΔE 5.95 #b31b1b Cornell Red ΔE 6.48 #55efd4 Inverted #555555 Grayscale 

Brown
#aa102b  rgb(170, 16, 43)  hsl(349, 83%, 36%)  Brown
#10aa8f  rgb(16, 170, 143)  hsl(169, 83%, 36%)  Persian Green
#2baa10  rgb(43, 170, 16)  hsl(109, 83%, 36%)  Kelly Green
#102baa  rgb(16, 43, 170)  hsl(229, 83%, 36%)  Egyptian Blue