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#B2100A

#b2100a ≈ Rufous

  • red
  • Lightness: low
  • Saturation: strong
  • Warm
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#b2100a is a color from the red family, with low lightness and strong saturation. In the RGB model it is made of 69.8% red, 6.27% green and 3.92% blue; printed in CMYK it uses 0% cyan, 91.01% magenta, 94.38% yellow and 30.2% black. Its hue angle is 2.14°, with 89.36% saturation and 36.86% 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 7.07:1 (WCAG AAA). The closest named color is Rufous (#a81c07), ΔE 2.18.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#990000
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0986

Complementary

  1. #b2100a
  2. #0aacb2

Split complementary

  1. #b2100a
  2. #0ab264
  3. #0a58b2

Analogous

  1. #b20a58
  2. #b2100a
  3. #b2640a

Triadic

  1. #b2100a
  2. #0ab210
  3. #100ab2

Tetradic

  1. #b2100a
  2. #acb20a
  3. #0aacb2
  4. #100ab2

Square

  1. #b2100a
  2. #58b20a
  3. #0aacb2
  4. #640ab2

Monochromatic

  1. #210302
  2. #6a0906
  3. #b2100a
  4. #f21e17
  5. #f6645f

Shades

#b2100a mixed progressively with black.

  1. #b2100a
  2. #a00e09
  3. #8e0d08
  4. #7d0b07
  5. #6b0a06
  6. #590805
  7. #470604
  8. #350503
  9. #240302
  10. #120201
  11. #000000

Tints

#b2100a mixed progressively with white.

  1. #b2100a
  2. #ba2823
  3. #c1403b
  4. #c95854
  5. #d1706c
  6. #d98885
  7. #e09f9d
  8. #e8b7b6
  9. #f0cfce
  10. #f7e7e7
  11. #ffffff

Tones

#b2100a mixed progressively with gray.

  1. #b2100a
  2. #ad1b16
  3. #a82622
  4. #a3322d
  5. #9e3d39
  6. #994845
  7. #945351
  8. #8f5e5d
  9. #8a6a68
  10. #857574
  11. #808080

Readable text 7.07:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.97:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #585858 ≈ 0.003% of males
Achromatomaly #864645 ≈ 0.001% of males
Protanopia #4c4304 ≈ 1.01% of males
Deuteranopia #726400 ≈ 1.27% of males
Tritanopia #c50013 ≈ 0.0001% of males
Protanomaly #823506 ≈ 1.08% of males
Deuteranomaly #904f00 ≈ 4.63% of males
Tritanomaly #be0010 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-b2100a {
  color: #b2100a;
}
Background
.bg-b2100a {
  background-color: #b2100a;
  color: #ffffff;
}
Border
.border-b2100a {
  border: 2px solid #b2100a;
}
CSS variables
:root {
  --color-primary: #b2100a;
  --color-primary-rgb: 178 16 10;
  --color-primary-hsl: 2 89% 37%;
}
Gradient
.gradient-b2100a {
  background: linear-gradient(135deg, #b2100a, #b2640a);
}
Colored shadow
.shadow-b2100a {
  box-shadow: 0 8px 24px rgb(178 16 10 / 0.35);
}

#a81c07 Rufous ΔE 2.18 #b31b1b Cornell Red ΔE 2.88 #b22222 Firebrick ΔE 4.19 #c80815 Venetian Red ΔE 4.51 #a52a2a Brown ΔE 6.53 #a52a2a Auburn ΔE 6.53 #cf1020 Lava ΔE 6.71 #4deff5 Inverted #585858 Grayscale 

Rufous
#b2100a  rgb(178, 16, 10)  hsl(2, 89%, 37%)  Rufous
#0aacb2  rgb(10, 172, 178)  hsl(182, 89%, 37%)  Verdigris
#0ab210  rgb(10, 178, 16)  hsl(122, 89%, 37%)  Kelly Green
#100ab2  rgb(16, 10, 178)  hsl(242, 89%, 37%)  Zaffre