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#303E40

#303e40 ≈ Gunmetal

  • cyan
  • Lightness: low
  • Saturation: muted
  • Cool
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#303e40 is a color from the cyan family, with low lightness and muted saturation. In the RGB model it is made of 18.82% red, 24.31% green and 25.1% blue; printed in CMYK it uses 25% cyan, 3.12% magenta, 0% yellow and 74.9% black. Its hue angle is 187.5°, with 14.29% saturation and 21.96% lightness in HSL. It is a cool color, often associated with freshness, technology and clarity. Designers typically use it for health and wellness, technology products and corporate identities. White text on this color reaches a contrast ratio of 11.12:1 (WCAG AAA). The closest named color is Gunmetal (#2a3439), ΔE 4.28.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#333333
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0444

Complementary

  1. #303e40
  2. #403230

Split complementary

  1. #303e40
  2. #403036
  3. #403a30

Analogous

  1. #30403a
  2. #303e40
  3. #303640

Triadic

  1. #303e40
  2. #40303e
  3. #3e4030

Tetradic

  1. #303e40
  2. #323040
  3. #403230
  4. #3e4030

Square

  1. #303e40
  2. #3a3040
  3. #403230
  4. #364030

Monochromatic

  1. #090b0c
  2. #0f1414
  3. #303e40
  4. #51686c
  5. #739296

Shades

#303e40 mixed progressively with black.

  1. #303e40
  2. #2b383a
  3. #263233
  4. #222b2d
  5. #1d2526
  6. #181f20
  7. #13191a
  8. #0e1313
  9. #0a0c0d
  10. #050606
  11. #000000

Tints

#303e40 mixed progressively with white.

  1. #303e40
  2. #455153
  3. #596566
  4. #6e7879
  5. #838b8c
  6. #989fa0
  7. #acb2b3
  8. #c1c5c6
  9. #d6d8d9
  10. #eaecec
  11. #ffffff

Tones

#303e40 mixed progressively with gray.

  1. #303e40
  2. #384546
  3. #404b4d
  4. #485253
  5. #50585a
  6. #585f60
  7. #606666
  8. #686c6d
  9. #707373
  10. #78797a
  11. #808080

Readable text 11.12:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.89:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #3b3b3b ≈ 0.003% of males
Achromatomaly #373d3d ≈ 0.001% of males
Protanopia #3c3d40 ≈ 1.01% of males
Deuteranopia #393b40 ≈ 1.27% of males
Tritanopia #2b3f3f ≈ 0.0001% of males
Protanomaly #373d40 ≈ 1.08% of males
Deuteranomaly #353c40 ≈ 4.63% of males
Tritanomaly #2d3f3f ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-303e40 {
  color: #303e40;
}
Background
.bg-303e40 {
  background-color: #303e40;
  color: #ffffff;
}
Border
.border-303e40 {
  border: 2px solid #303e40;
}
CSS variables
:root {
  --color-primary: #303e40;
  --color-primary-rgb: 48 62 64;
  --color-primary-hsl: 188 14% 22%;
}
Gradient
.gradient-303e40 {
  background: linear-gradient(135deg, #303e40, #303640);
}
Colored shadow
.shadow-303e40 {
  box-shadow: 0 8px 24px rgb(48 62 64 / 0.35);
}

#2a3439 Gunmetal ΔE 4.28 #414a4c Outer Space ΔE 4.88 #36454f Charcoal ΔE 5.30 #353839 Onyx ΔE 5.43 #3b3c36 Black Olive ΔE 7.32 #343434 Jet ΔE 7.41 #2f4f4f Dark Slate Gray ΔE 7.83 #cfc1bf Inverted #3b3b3b Grayscale 

Gunmetal
#303e40  rgb(48, 62, 64)  hsl(188, 14%, 22%)  Gunmetal
#403230  rgb(64, 50, 48)  hsl(8, 14%, 22%)  Taupe
#40303e  rgb(64, 48, 62)  hsl(308, 14%, 22%)  Eggplant
#3e4030  rgb(62, 64, 48)  hsl(68, 14%, 22%)  Rifle Green