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#A3400A

#a3400a ≈ Rust

  • brown
  • Lightness: low
  • Saturation: strong
  • Warm
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#a3400a is a color from the brown family, with low lightness and strong saturation. In the RGB model it is made of 63.92% red, 25.1% green and 3.92% blue; printed in CMYK it uses 0% cyan, 60.74% magenta, 93.87% yellow and 36.08% black. Its hue angle is 21.18°, with 88.44% saturation and 33.92% 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 corporate identities. White text on this color reaches a contrast ratio of 6.37:1 (WCAG AA). The closest named color is Rust (#b7410e), ΔE 4.32.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#993300
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1148

Complementary

  1. #a3400a
  2. #0a6da3

Split complementary

  1. #a3400a
  2. #0aa38d
  3. #0a20a3

Analogous

  1. #a30a20
  2. #a3400a
  3. #a38d0a

Triadic

  1. #a3400a
  2. #0aa340
  3. #400aa3

Tetradic

  1. #a3400a
  2. #6da30a
  3. #0a6da3
  4. #400aa3

Square

  1. #a3400a
  2. #20a30a
  3. #0a6da3
  4. #8d0aa3

Monochromatic

  1. #130801
  2. #5b2406
  3. #a3400a
  4. #eb5c0e
  5. #f48b52

Shades

#a3400a mixed progressively with black.

  1. #a3400a
  2. #933a09
  3. #823308
  4. #722d07
  5. #622606
  6. #522005
  7. #411a04
  8. #311303
  9. #210d02
  10. #100601
  11. #000000

Tints

#a3400a mixed progressively with white.

  1. #a3400a
  2. #ac5323
  3. #b5663b
  4. #bf7954
  5. #c88c6c
  6. #d1a085
  7. #dab39d
  8. #e3c6b6
  9. #edd9ce
  10. #f6ece7
  11. #ffffff

Tones

#a3400a mixed progressively with gray.

  1. #a3400a
  2. #a04616
  3. #9c4d22
  4. #99532d
  5. #955a39
  6. #926045
  7. #8e6651
  8. #8b6d5d
  9. #877368
  10. #847a74
  11. #808080

Readable text 6.37:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.3:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #5f5f5f ≈ 0.003% of males
Achromatomaly #80544b ≈ 0.001% of males
Protanopia #5d5100 ≈ 1.01% of males
Deuteranopia #756803 ≈ 1.27% of males
Tritanopia #b42637 ≈ 0.0001% of males
Protanomaly #7f4b03 ≈ 1.08% of males
Deuteranomaly #8a5a06 ≈ 4.63% of males
Tritanomaly #ad322b ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-a3400a {
  color: #a3400a;
}
Background
.bg-a3400a {
  background-color: #a3400a;
  color: #ffffff;
}
Border
.border-a3400a {
  border: 2px solid #a3400a;
}
CSS variables
:root {
  --color-primary: #a3400a;
  --color-primary-rgb: 163 64 10;
  --color-primary-hsl: 21 88% 34%;
}
Gradient
.gradient-a3400a {
  background: linear-gradient(135deg, #a3400a, #a38d0a);
}
Colored shadow
.shadow-a3400a {
  box-shadow: 0 8px 24px rgb(163 64 10 / 0.35);
}

#b7410e Rust ΔE 4.32 #a0522d Sienna ΔE 5.52 #8b4513 Saddle Brown ΔE 5.85 #c04000 Mahogany ΔE 5.91 #a81c07 Rufous ΔE 8.24 #cb410b Sinopia ΔE 8.34 #80461b Russet ΔE 8.52 #5cbff5 Inverted #5f5f5f Grayscale 

Rust
#a3400a  rgb(163, 64, 10)  hsl(21, 88%, 34%)  Rust
#0a6da3  rgb(10, 109, 163)  hsl(201, 88%, 34%)  Medium Persian Blue
#0aa340  rgb(10, 163, 64)  hsl(141, 88%, 34%)  Shamrock Green
#400aa3  rgb(64, 10, 163)  hsl(261, 88%, 34%)  Zaffre