ColorTool
Log in
#0B1F3A

#0b1f3a ≈ Oxford Blue

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

#0b1f3a is a color from the azure family, with very low lightness and muted saturation. In the RGB model it is made of 4.31% red, 12.16% green and 22.75% blue; printed in CMYK it uses 81.03% cyan, 46.55% magenta, 0% yellow and 77.25% black. Its hue angle is 214.47°, with 68.12% saturation and 13.53% 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 16.52:1 (WCAG AAA). The closest named color is Oxford Blue (#002147), ΔE 3.28.

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 luminance0.0136

Complementary

  1. #0b1f3a
  2. #3a260b

Split complementary

  1. #0b1f3a
  2. #3a0f0b
  3. #373a0b

Analogous

  1. #0b373a
  2. #0b1f3a
  3. #0f0b3a

Triadic

  1. #0b1f3a
  2. #3a0b1f
  3. #1f3a0b

Tetradic

  1. #0b1f3a
  2. #260b3a
  3. #3a260b
  4. #1f3a0b

Square

  1. #0b1f3a
  2. #3a0b37
  3. #3a260b
  4. #0b3a0f

Monochromatic

  1. #030911
  2. #030911
  3. #0b1f3a
  4. #17417a
  5. #2364bb

Shades

#0b1f3a mixed progressively with black.

  1. #0b1f3a
  2. #0a1c34
  3. #09192e
  4. #081629
  5. #071323
  6. #06101d
  7. #040c17
  8. #030911
  9. #02060c
  10. #010306
  11. #000000

Tints

#0b1f3a mixed progressively with white.

  1. #0b1f3a
  2. #23354e
  3. #3c4c61
  4. #546275
  5. #6d7989
  6. #858f9d
  7. #9da5b0
  8. #b6bcc4
  9. #ced2d8
  10. #e7e9eb
  11. #ffffff

Tones

#0b1f3a mixed progressively with gray.

  1. #0b1f3a
  2. #172941
  3. #223248
  4. #2e3c4f
  5. #3a4656
  6. #46505d
  7. #515964
  8. #5d636b
  9. #696d72
  10. #747679
  11. #808080

Readable text 16.52:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.27:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #1f1f1f ≈ 0.003% of males
Achromatomaly #191f2c ≈ 0.001% of males
Protanopia #12213b ≈ 1.01% of males
Deuteranopia #0b1d39 ≈ 1.27% of males
Tritanopia #002529 ≈ 0.0001% of males
Protanomaly #10203b ≈ 1.08% of males
Deuteranomaly #0b1e3a ≈ 4.63% of males
Tritanomaly #002331 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-0b1f3a {
  color: #0b1f3a;
}
Background
.bg-0b1f3a {
  background-color: #0b1f3a;
  color: #ffffff;
}
Border
.border-0b1f3a {
  border: 2px solid #0b1f3a;
}
CSS variables
:root {
  --color-primary: #0b1f3a;
  --color-primary-rgb: 11 31 58;
  --color-primary-hsl: 214 68% 14%;
}
Gradient
.gradient-0b1f3a {
  background: linear-gradient(135deg, #0b1f3a, #0f0b3a);
}
Colored shadow
.shadow-0b1f3a {
  box-shadow: 0 8px 24px rgb(11 31 58 / 0.35);
}

#002147 Oxford Blue ΔE 3.28 #003153 Prussian Blue ΔE 7.41 #191970 Midnight Blue ΔE 11.58 #010b13 Rich Black ΔE 11.82 #2a3439 Gunmetal ΔE 13.35 #002395 Imperial Blue ΔE 14.46 #003399 Smalt ΔE 14.69 #f4e0c5 Inverted #1f1f1f Grayscale 

Oxford Blue
#0b1f3a  rgb(11, 31, 58)  hsl(214, 68%, 14%)  Oxford Blue
#3a260b  rgb(58, 38, 11)  hsl(34, 68%, 14%)  Bistre
#3a0b1f  rgb(58, 11, 31)  hsl(334, 68%, 14%)  Tyrian Purple
#1f3a0b  rgb(31, 58, 11)  hsl(94, 68%, 14%)  British Racing Green