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#03213B

#03213b ≈ Oxford Blue

  • azure
  • Lightness: very low
  • Saturation: muted
  • Cool
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#03213b is a color from the azure family, with very low lightness and muted saturation. In the RGB model it is made of 1.18% red, 12.94% green and 23.14% blue; printed in CMYK it uses 94.92% cyan, 44.07% magenta, 0% yellow and 76.86% black. Its hue angle is 207.86°, with 90.32% saturation and 12.16% 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 16.35:1 (WCAG AAA). The closest named color is Oxford Blue (#002147), ΔE 3.89.

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 luminance0.0142

Complementary

  1. #03213b
  2. #3b1d03

Split complementary

  1. #03213b
  2. #3b0305
  3. #3b3903

Analogous

  1. #033b39
  2. #03213b
  3. #03053b

Triadic

  1. #03213b
  2. #3b0321
  3. #213b03

Tetradic

  1. #03213b
  2. #1d033b
  3. #3b1d03
  4. #213b03

Square

  1. #03213b
  2. #39033b
  3. #3b1d03
  4. #053b03

Monochromatic

  1. #010b13
  2. #010b13
  3. #03213b
  4. #074a84
  5. #0a72cd

Shades

#03213b mixed progressively with black.

  1. #03213b
  2. #031e35
  3. #021a2f
  4. #021729
  5. #021423
  6. #02111e
  7. #010d18
  8. #010a12
  9. #01070c
  10. #000306
  11. #000000

Tints

#03213b mixed progressively with white.

  1. #03213b
  2. #1c374f
  3. #354d62
  4. #4f6476
  5. #687a89
  6. #81909d
  7. #9aa6b1
  8. #b3bcc4
  9. #cdd3d8
  10. #e6e9eb
  11. #ffffff

Tones

#03213b mixed progressively with gray.

  1. #03213b
  2. #102b42
  3. #1c3449
  4. #293e50
  5. #354757
  6. #42515e
  7. #4e5a64
  8. #5b646b
  9. #676d72
  10. #747779
  11. #808080

Readable text 16.35:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.28:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #202020 ≈ 0.003% of males
Achromatomaly #18202d ≈ 0.001% of males
Protanopia #14233c ≈ 1.01% of males
Deuteranopia #0b1d3a ≈ 1.27% of males
Tritanopia #00272b ≈ 0.0001% of males
Protanomaly #0f223c ≈ 1.08% of males
Deuteranomaly #081f3b ≈ 4.63% of males
Tritanomaly #002532 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-03213b {
  color: #03213b;
}
Background
.bg-03213b {
  background-color: #03213b;
  color: #ffffff;
}
Border
.border-03213b {
  border: 2px solid #03213b;
}
CSS variables
:root {
  --color-primary: #03213b;
  --color-primary-rgb: 3 33 59;
  --color-primary-hsl: 208 90% 12%;
}
Gradient
.gradient-03213b {
  background: linear-gradient(135deg, #03213b, #03053b);
}
Colored shadow
.shadow-03213b {
  box-shadow: 0 8px 24px rgb(3 33 59 / 0.35);
}

#002147 Oxford Blue ΔE 3.89 #003153 Prussian Blue ΔE 5.68 #191970 Midnight Blue ΔE 11.27 #010b13 Rich Black ΔE 11.33 #2a3439 Gunmetal ΔE 12.23 #002395 Imperial Blue ΔE 13.27 #003399 Smalt ΔE 13.44 #fcdec4 Inverted #202020 Grayscale 

Oxford Blue
#03213b  rgb(3, 33, 59)  hsl(208, 90%, 12%)  Oxford Blue
#3b1d03  rgb(59, 29, 3)  hsl(28, 90%, 12%)  Bistre
#3b0321  rgb(59, 3, 33)  hsl(328, 90%, 12%)  Tyrian Purple
#213b03  rgb(33, 59, 3)  hsl(88, 90%, 12%)  Army Green