ColorTool
Log in
#151C2E

#151c2e ≈ Oxford Blue

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

#151c2e 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, 10.98% green and 18.04% blue; printed in CMYK it uses 54.35% cyan, 39.13% magenta, 0% yellow and 81.96% black. Its hue angle is 223.2°, with 37.31% saturation and 13.14% 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 16.97:1 (WCAG AAA). The closest named color is Oxford Blue (#002147), ΔE 7.69.

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 luminance0.0119

Complementary

  1. #151c2e
  2. #2e2715

Split complementary

  1. #151c2e
  2. #2e1b15
  3. #292e15

Analogous

  1. #15292e
  2. #151c2e
  3. #1b152e

Triadic

  1. #151c2e
  2. #2e151c
  3. #1c2e15

Tetradic

  1. #151c2e
  2. #27152e
  3. #2e2715
  4. #1c2e15

Square

  1. #151c2e
  2. #2e1529
  3. #2e2715
  4. #152e1b

Monochromatic

  1. #06090e
  2. #06090e
  3. #151c2e
  4. #2d3c63
  5. #455c97

Shades

#151c2e mixed progressively with black.

  1. #151c2e
  2. #131929
  3. #111625
  4. #0f1420
  5. #0d111c
  6. #0b0e17
  7. #080b12
  8. #06080e
  9. #040609
  10. #020305
  11. #000000

Tints

#151c2e mixed progressively with white.

  1. #151c2e
  2. #2c3343
  3. #444958
  4. #5b606d
  5. #737782
  6. #8a8e97
  7. #a1a4ab
  8. #b9bbc0
  9. #d0d2d5
  10. #e8e8ea
  11. #ffffff

Tones

#151c2e mixed progressively with gray.

  1. #151c2e
  2. #202636
  3. #2a303e
  4. #353a47
  5. #40444f
  6. #4b4e57
  7. #55585f
  8. #606267
  9. #6b6c70
  10. #757678
  11. #808080

Readable text 16.97:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.24:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #1c1c1c ≈ 0.003% of males
Achromatomaly #1a1c24 ≈ 0.001% of males
Protanopia #161e2f ≈ 1.01% of males
Deuteranopia #131b2e ≈ 1.27% of males
Tritanopia #0c2022 ≈ 0.0001% of males
Protanomaly #151d2e ≈ 1.08% of males
Deuteranomaly #141c2e ≈ 4.63% of males
Tritanomaly #101e27 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-151c2e {
  color: #151c2e;
}
Background
.bg-151c2e {
  background-color: #151c2e;
  color: #ffffff;
}
Border
.border-151c2e {
  border: 2px solid #151c2e;
}
CSS variables
:root {
  --color-primary: #151c2e;
  --color-primary-rgb: 21 28 46;
  --color-primary-hsl: 223 37% 13%;
}
Gradient
.gradient-151c2e {
  background: linear-gradient(135deg, #151c2e, #1b152e);
}
Colored shadow
.shadow-151c2e {
  box-shadow: 0 8px 24px rgb(21 28 46 / 0.35);
}

#002147 Oxford Blue ΔE 7.69 #010b13 Rich Black ΔE 9.05 #003153 Prussian Blue ΔE 10.67 #2a3439 Gunmetal ΔE 11.77 #000000 Black ΔE 12.24 #1a1110 Licorice ΔE 12.37 #343434 Jet ΔE 12.90 #eae3d1 Inverted #1c1c1c Grayscale 

Oxford Blue
#151c2e  rgb(21, 28, 46)  hsl(223, 37%, 13%)  Oxford Blue
#2e2715  rgb(46, 39, 21)  hsl(43, 37%, 13%)  Bistre
#2e151c  rgb(46, 21, 28)  hsl(343, 37%, 13%)  Licorice
#1c2e15  rgb(28, 46, 21)  hsl(103, 37%, 13%)  Phthalo Green