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#151D3F

#151d3f ≈ Oxford Blue

  • blue
  • Lightness: very low
  • Saturation: muted
  • Cool
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#151d3f is a color from the blue family, with very low lightness and muted saturation. In the RGB model it is made of 8.24% red, 11.37% green and 24.71% blue; printed in CMYK it uses 66.67% cyan, 53.97% magenta, 0% yellow and 75.29% black. Its hue angle is 228.57°, with 50% saturation and 16.47% 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 luxury branding. White text on this color reaches a contrast ratio of 16.41:1 (WCAG AAA). The closest named color is Oxford Blue (#002147), ΔE 4.9.

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 luminance0.014

Complementary

  1. #151d3f
  2. #3f3715

Split complementary

  1. #151d3f
  2. #3f2215
  3. #323f15

Analogous

  1. #15323f
  2. #151d3f
  3. #22153f

Triadic

  1. #151d3f
  2. #3f151d
  3. #1d3f15

Tetradic

  1. #151d3f
  2. #37153f
  3. #3f3715
  4. #1d3f15

Square

  1. #151d3f
  2. #3f1532
  3. #3f3715
  4. #153f22

Monochromatic

  1. #05070f
  2. #05070f
  3. #151d3f
  4. #283778
  5. #3b52b2

Shades

#151d3f mixed progressively with black.

  1. #151d3f
  2. #131a39
  3. #111732
  4. #0f142c
  5. #0d1126
  6. #0b0f20
  7. #080c19
  8. #060913
  9. #04060d
  10. #020306
  11. #000000

Tints

#151d3f mixed progressively with white.

  1. #151d3f
  2. #2c3452
  3. #444a65
  4. #5b6179
  5. #73778c
  6. #8a8e9f
  7. #a1a5b2
  8. #b9bbc5
  9. #d0d2d9
  10. #e8e8ec
  11. #ffffff

Tones

#151d3f mixed progressively with gray.

  1. #151d3f
  2. #202746
  3. #2a314c
  4. #353b53
  5. #404559
  6. #4b4f60
  7. #555866
  8. #60626d
  9. #6b6c73
  10. #75767a
  11. #808080

Readable text 16.41:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.28:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #1f1f1f ≈ 0.003% of males
Achromatomaly #1c1e2f ≈ 0.001% of males
Protanopia #0d2140 ≈ 1.01% of males
Deuteranopia #071e3e ≈ 1.27% of males
Tritanopia #00252a ≈ 0.0001% of males
Protanomaly #102040 ≈ 1.08% of males
Deuteranomaly #0d1d3f ≈ 4.63% of males
Tritanomaly #092234 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-151d3f {
  color: #151d3f;
}
Background
.bg-151d3f {
  background-color: #151d3f;
  color: #ffffff;
}
Border
.border-151d3f {
  border: 2px solid #151d3f;
}
CSS variables
:root {
  --color-primary: #151d3f;
  --color-primary-rgb: 21 29 63;
  --color-primary-hsl: 229 50% 16%;
}
Gradient
.gradient-151d3f {
  background: linear-gradient(135deg, #151d3f, #22153f);
}
Colored shadow
.shadow-151d3f {
  box-shadow: 0 8px 24px rgb(21 29 63 / 0.35);
}

#002147 Oxford Blue ΔE 4.90 #003153 Prussian Blue ΔE 10.56 #191970 Midnight Blue ΔE 10.94 #32127a Persian Indigo ΔE 13.99 #010b13 Rich Black ΔE 14.81 #000f89 Phthalo Blue ΔE 14.91 #002395 Imperial Blue ΔE 15.00 #eae2c0 Inverted #1f1f1f Grayscale 

Oxford Blue
#151d3f  rgb(21, 29, 63)  hsl(229, 50%, 16%)  Oxford Blue
#3f3715  rgb(63, 55, 21)  hsl(49, 50%, 16%)  Taupe
#3f151d  rgb(63, 21, 29)  hsl(349, 50%, 16%)  Caput Mortuum
#1d3f15  rgb(29, 63, 21)  hsl(109, 50%, 16%)  British Racing Green