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#21307E

#21307e ≈ Smalt

  • blue
  • Lightness: low
  • Saturation: moderate
  • Cool
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#21307e is a color from the blue family, with low lightness and moderate saturation. In the RGB model it is made of 12.94% red, 18.82% green and 49.41% blue; printed in CMYK it uses 73.81% cyan, 61.9% magenta, 0% yellow and 50.59% black. Its hue angle is 230.32°, with 58.49% saturation and 31.18% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and corporate identities. White text on this color reaches a contrast ratio of 11.74:1 (WCAG AAA). The closest named color is Smalt (#003399), ΔE 4.37.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#333366
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0394

Complementary

  1. #21307e
  2. #7e6f21

Split complementary

  1. #21307e
  2. #7e4121
  3. #5f7e21

Analogous

  1. #215f7e
  2. #21307e
  3. #41217e

Triadic

  1. #21307e
  2. #7e2130
  3. #307e21

Tetradic

  1. #21307e
  2. #6f217e
  3. #7e6f21
  4. #307e21

Square

  1. #21307e
  2. #7e215f
  3. #7e6f21
  4. #217e41

Monochromatic

  1. #040610
  2. #111941
  3. #21307e
  4. #3147bb
  5. #6275d6

Shades

#21307e mixed progressively with black.

  1. #21307e
  2. #1e2b71
  3. #1a2665
  4. #172258
  5. #141d4c
  6. #11183f
  7. #0d1332
  8. #0a0e26
  9. #070a19
  10. #03050d
  11. #000000

Tints

#21307e mixed progressively with white.

  1. #21307e
  2. #37458b
  3. #4d5998
  4. #646ea5
  5. #7a83b2
  6. #9098bf
  7. #a6accb
  8. #bcc1d8
  9. #d3d6e5
  10. #e9eaf2
  11. #ffffff

Tones

#21307e mixed progressively with gray.

  1. #21307e
  2. #2b387e
  3. #34407e
  4. #3e487f
  5. #47507f
  6. #51587f
  7. #5a607f
  8. #64687f
  9. #6d7080
  10. #777880
  11. #808080

Readable text 11.74:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.79:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #383838 ≈ 0.003% of males
Achromatomaly #30355c ≈ 0.001% of males
Protanopia #003c81 ≈ 1.01% of males
Deuteranopia #00347c ≈ 1.27% of males
Tritanopia #004452 ≈ 0.0001% of males
Protanomaly #023880 ≈ 1.08% of males
Deuteranomaly #00327d ≈ 4.63% of males
Tritanomaly #003d66 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-21307e {
  color: #21307e;
}
Background
.bg-21307e {
  background-color: #21307e;
  color: #ffffff;
}
Border
.border-21307e {
  border: 2px solid #21307e;
}
CSS variables
:root {
  --color-primary: #21307e;
  --color-primary-rgb: 33 48 126;
  --color-primary-hsl: 230 58% 31%;
}
Gradient
.gradient-21307e {
  background: linear-gradient(135deg, #21307e, #41217e);
}
Colored shadow
.shadow-21307e {
  box-shadow: 0 8px 24px rgb(33 48 126 / 0.35);
}

#003399 Smalt ΔE 4.37 #002395 Imperial Blue ΔE 5.69 #1034a6 Egyptian Blue ΔE 5.93 #191970 Midnight Blue ΔE 6.72 #483d8b Dark Slate Blue ΔE 6.77 #1c39bb Persian Blue ΔE 8.89 #003153 Prussian Blue ΔE 8.90 #decf81 Inverted #383838 Grayscale 

Smalt
#21307e  rgb(33, 48, 126)  hsl(230, 58%, 31%)  Smalt
#7e6f21  rgb(126, 111, 33)  hsl(50, 58%, 31%)  Olive
#7e2130  rgb(126, 33, 48)  hsl(350, 58%, 31%)  Claret
#307e21  rgb(48, 126, 33)  hsl(110, 58%, 31%)  Green