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#21AFF2

#21aff2 ≈ Deep Sky Blue

  • azure
  • Lightness: medium
  • Saturation: vivid
  • Cool
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#21aff2 is a color from the azure family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 68.63% green and 94.9% blue; printed in CMYK it uses 86.36% cyan, 27.69% magenta, 0% yellow and 5.1% black. Its hue angle is 199.23°, with 88.94% saturation and 53.92% 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 call-to-action buttons. Black text on this color reaches a contrast ratio of 8.48:1 (WCAG AAA). The closest named color is Deep Sky Blue (#00bfff), ΔE 4.78.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3399ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.3739

Complementary

  1. #21aff2
  2. #f26421

Split complementary

  1. #21aff2
  2. #f22147
  3. #f2cc21

Analogous

  1. #21f2cc
  2. #21aff2
  3. #2147f2

Triadic

  1. #21aff2
  2. #f221af
  3. #aff221

Tetradic

  1. #21aff2
  2. #6421f2
  3. #f26421
  4. #aff221

Square

  1. #21aff2
  2. #cc21f2
  3. #f26421
  4. #47f221

Monochromatic

  1. #075073
  2. #0b83bc
  3. #21aff2
  4. #69c9f6
  5. #b2e3fa

Shades

#21aff2 mixed progressively with black.

  1. #21aff2
  2. #1e9eda
  3. #1a8cc2
  4. #177ba9
  5. #146991
  6. #115879
  7. #0d4661
  8. #0a3549
  9. #072330
  10. #031218
  11. #000000

Tints

#21aff2 mixed progressively with white.

  1. #21aff2
  2. #37b7f3
  3. #4dbff5
  4. #64c7f6
  5. #7acff7
  6. #90d7f9
  7. #a6dffa
  8. #bce7fb
  9. #d3effc
  10. #e9f7fe
  11. #ffffff

Tones

#21aff2 mixed progressively with gray.

  1. #21aff2
  2. #2baae7
  3. #34a6db
  4. #3ea1d0
  5. #479cc4
  6. #5198b9
  7. #5a93ae
  8. #648ea2
  9. #6d8997
  10. #77858b
  11. #808080

Readable text 2.48:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 8.48:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #a5a5a5 ≈ 0.003% of males
Achromatomaly #84a9c8 ≈ 0.001% of males
Protanopia #8eaff5 ≈ 1.01% of males
Deuteranopia #739cf1 ≈ 1.27% of males
Tritanopia #00c0c6 ≈ 0.0001% of males
Protanomaly #72aff4 ≈ 1.08% of males
Deuteranomaly #5da4f1 ≈ 4.63% of males
Tritanomaly #00bad9 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-21aff2 {
  color: #21aff2;
}
Background
.bg-21aff2 {
  background-color: #21aff2;
  color: #000000;
}
Border
.border-21aff2 {
  border: 2px solid #21aff2;
}
CSS variables
:root {
  --color-primary: #21aff2;
  --color-primary-rgb: 33 175 242;
  --color-primary-hsl: 199 89% 54%;
}
Gradient
.gradient-21aff2 {
  background: linear-gradient(135deg, #21aff2, #2147f2);
}
Colored shadow
.shadow-21aff2 {
  box-shadow: 0 8px 24px rgb(33 175 242 / 0.35);
}

#00bfff Deep Sky Blue ΔE 4.78 #56a0d3 Carolina Blue ΔE 5.80 #73c2fb Maya Blue ΔE 7.08 #71a6d2 Iceberg ΔE 7.43 #73a9c2 Moonstone Blue ΔE 9.48 #87cefa Light Sky Blue ΔE 10.28 #89cff0 Baby Blue ΔE 11.64 #de500d Inverted #a5a5a5 Grayscale 

Deep Sky Blue
#21aff2  rgb(33, 175, 242)  hsl(199, 89%, 54%)  Deep Sky Blue
#f26421  rgb(242, 100, 33)  hsl(19, 89%, 54%)  Persimmon
#f221af  rgb(242, 33, 175)  hsl(319, 89%, 54%)  Shocking Pink
#aff221  rgb(175, 242, 33)  hsl(79, 89%, 54%)  Spring Bud