ColorTool
Log in
#31BBDD

#31bbdd ≈ Deep Sky Blue

  • cyan
  • Lightness: medium
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#31bbdd is a color from the cyan family, with medium lightness and strong saturation. In the RGB model it is made of 19.22% red, 73.33% green and 86.67% blue; printed in CMYK it uses 77.83% cyan, 15.38% magenta, 0% yellow and 13.33% black. Its hue angle is 191.86°, with 71.67% saturation and 52.94% 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 brand accents. Black text on this color reaches a contrast ratio of 9.28:1 (WCAG AAA). The closest named color is Deep Sky Blue (#00bfff), ΔE 7.6.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#33cccc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.4141

Complementary

  1. #31bbdd
  2. #dd5331

Split complementary

  1. #31bbdd
  2. #dd3165
  3. #dda931

Analogous

  1. #31dda9
  2. #31bbdd
  3. #3165dd

Triadic

  1. #31bbdd
  2. #dd31bb
  3. #bbdd31

Tetradic

  1. #31bbdd
  2. #5331dd
  3. #dd5331
  4. #bbdd31

Square

  1. #31bbdd
  2. #a931dd
  3. #dd5331
  4. #65dd31

Monochromatic

  1. #115464
  2. #1b8ba6
  3. #31bbdd
  4. #73d1e8
  5. #b4e6f3

Shades

#31bbdd mixed progressively with black.

  1. #31bbdd
  2. #2ca8c7
  3. #2796b1
  4. #22839b
  5. #1d7085
  6. #195e6f
  7. #144b58
  8. #0f3842
  9. #0a252c
  10. #051316
  11. #000000

Tints

#31bbdd mixed progressively with white.

  1. #31bbdd
  2. #46c2e0
  3. #5ac9e4
  4. #6fcfe7
  5. #83d6eb
  6. #98ddee
  7. #ade4f1
  8. #c1ebf5
  9. #d6f1f8
  10. #eaf8fc
  11. #ffffff

Tones

#31bbdd mixed progressively with gray.

  1. #31bbdd
  2. #39b5d4
  3. #41afca
  4. #49a9c1
  5. #51a3b8
  6. #599eaf
  7. #6098a5
  8. #68929c
  9. #708c93
  10. #788689
  11. #808080

Readable text 2.26:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 9.28:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #acacac ≈ 0.003% of males
Achromatomaly #8cb2c2 ≈ 0.001% of males
Protanopia #a6b6df ≈ 1.01% of males
Deuteranopia #8fa5dd ≈ 1.27% of males
Tritanopia #00c6c6 ≈ 0.0001% of males
Protanomaly #86b8de ≈ 1.08% of males
Deuteranomaly #75aedd ≈ 4.63% of males
Tritanomaly #00c2cf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-31bbdd {
  color: #31bbdd;
}
Background
.bg-31bbdd {
  background-color: #31bbdd;
  color: #000000;
}
Border
.border-31bbdd {
  border: 2px solid #31bbdd;
}
CSS variables
:root {
  --color-primary: #31bbdd;
  --color-primary-rgb: 49 187 221;
  --color-primary-hsl: 192 72% 53%;
}
Gradient
.gradient-31bbdd {
  background: linear-gradient(135deg, #31bbdd, #3165dd);
}
Colored shadow
.shadow-31bbdd {
  box-shadow: 0 8px 24px rgb(49 187 221 / 0.35);
}

#00bfff Deep Sky Blue ΔE 7.60 #73a9c2 Moonstone Blue ΔE 8.22 #87ceeb Sky Blue ΔE 8.23 #89cff0 Baby Blue ΔE 8.88 #87cefa Light Sky Blue ΔE 10.26 #73c2fb Maya Blue ΔE 10.61 #0095b6 Bondi Blue ΔE 11.42 #ce4422 Inverted #acacac Grayscale 

Deep Sky Blue
#31bbdd  rgb(49, 187, 221)  hsl(192, 72%, 53%)  Deep Sky Blue
#dd5331  rgb(221, 83, 49)  hsl(12, 72%, 53%)  Flame
#dd31bb  rgb(221, 49, 187)  hsl(312, 72%, 53%)  Shocking Pink
#bbdd31  rgb(187, 221, 49)  hsl(72, 72%, 53%)  June Bud