ColorTool
Log in
#15212E

#15212e ≈ Rich Black

  • azure
  • Lightness: very low
  • Saturation: muted
  • Cool
Check contrast Explore in graph Random color

#15212e is a color from the azure family, with very low lightness and muted saturation. In the RGB model it is made of 8.24% red, 12.94% green and 18.04% blue; printed in CMYK it uses 54.35% cyan, 28.26% magenta, 0% yellow and 81.96% black. Its hue angle is 211.2°, with 37.31% saturation and 13.14% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and luxury branding. White text on this color reaches a contrast ratio of 16.29:1 (WCAG AAA). The closest named color is Rich Black (#010b13), ΔE 7.16.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#003333
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0144

Complementary

  1. #15212e
  2. #2e2215

Split complementary

  1. #15212e
  2. #2e1615
  3. #2e2e15

Analogous

  1. #152e2e
  2. #15212e
  3. #16152e

Triadic

  1. #15212e
  2. #2e1521
  3. #212e15

Tetradic

  1. #15212e
  2. #22152e
  3. #2e2215
  4. #212e15

Square

  1. #15212e
  2. #2e152e
  3. #2e2215
  4. #152e16

Monochromatic

  1. #060a0e
  2. #060a0e
  3. #15212e
  4. #2d4763
  5. #456c97

Shades

#15212e mixed progressively with black.

  1. #15212e
  2. #131e29
  3. #111a25
  4. #0f1720
  5. #0d141c
  6. #0b1117
  7. #080d12
  8. #060a0e
  9. #040709
  10. #020305
  11. #000000

Tints

#15212e mixed progressively with white.

  1. #15212e
  2. #2c3743
  3. #444d58
  4. #5b646d
  5. #737a82
  6. #8a9097
  7. #a1a6ab
  8. #b9bcc0
  9. #d0d3d5
  10. #e8e9ea
  11. #ffffff

Tones

#15212e mixed progressively with gray.

  1. #15212e
  2. #202b36
  3. #2a343e
  4. #353e47
  5. #40474f
  6. #4b5157
  7. #555a5f
  8. #606467
  9. #6b6d70
  10. #757778
  11. #808080

Readable text 16.29:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.29:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #202020 ≈ 0.003% of males
Achromatomaly #1c2026 ≈ 0.001% of males
Protanopia #1c212f ≈ 1.01% of males
Deuteranopia #191f2e ≈ 1.27% of males
Tritanopia #0b2425 ≈ 0.0001% of males
Protanomaly #19212e ≈ 1.08% of males
Deuteranomaly #17202e ≈ 4.63% of males
Tritanomaly #102329 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-15212e {
  color: #15212e;
}
Background
.bg-15212e {
  background-color: #15212e;
  color: #ffffff;
}
Border
.border-15212e {
  border: 2px solid #15212e;
}
CSS variables
:root {
  --color-primary: #15212e;
  --color-primary-rgb: 21 33 46;
  --color-primary-hsl: 211 37% 13%;
}
Gradient
.gradient-15212e {
  background: linear-gradient(135deg, #15212e, #16152e);
}
Colored shadow
.shadow-15212e {
  box-shadow: 0 8px 24px rgb(21 33 46 / 0.35);
}

#010b13 Rich Black ΔE 7.16 #2a3439 Gunmetal ΔE 7.81 #003153 Prussian Blue ΔE 9.23 #002147 Oxford Blue ΔE 9.36 #353839 Onyx ΔE 10.47 #343434 Jet ΔE 10.52 #000000 Black ΔE 11.19 #eaded1 Inverted #202020 Grayscale 

Rich Black
#15212e  rgb(21, 33, 46)  hsl(211, 37%, 13%)  Rich Black
#2e2215  rgb(46, 34, 21)  hsl(31, 37%, 13%)  Bistre
#2e1521  rgb(46, 21, 33)  hsl(331, 37%, 13%)  Licorice
#212e15  rgb(33, 46, 21)  hsl(91, 37%, 13%)  Phthalo Green