ColorTool
Log in
#021BFB

#021bfb ≈ Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#021bfb is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 0.78% red, 10.59% green and 98.43% blue; printed in CMYK it uses 99.2% cyan, 89.24% magenta, 0% yellow and 1.57% black. Its hue angle is 233.98°, with 98.42% saturation and 49.61% 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 call-to-action buttons. White text on this color reaches a contrast ratio of 8.23:1 (WCAG AAA). The closest named color is Blue (#0000ff), ΔE 1.7.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0033ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0776

Complementary

  1. #021bfb
  2. #fbe202

Split complementary

  1. #021bfb
  2. #fb6602
  3. #97fb02

Analogous

  1. #0297fb
  2. #021bfb
  3. #6602fb

Triadic

  1. #021bfb
  2. #fb021b
  3. #1bfb02

Tetradic

  1. #021bfb
  2. #e202fb
  3. #fbe202
  4. #1bfb02

Square

  1. #021bfb
  2. #fb0297
  3. #fbe202
  4. #02fb66

Monochromatic

  1. #010b63
  2. #0113af
  3. #021bfb
  4. #4c5efe
  5. #98a2fe

Shades

#021bfb mixed progressively with black.

  1. #021bfb
  2. #0218e2
  3. #0216c9
  4. #0113b0
  5. #011097
  6. #010e7e
  7. #010b64
  8. #01084b
  9. #000532
  10. #000319
  11. #000000

Tints

#021bfb mixed progressively with white.

  1. #021bfb
  2. #1b32fb
  3. #3549fc
  4. #4e5ffc
  5. #6776fd
  6. #818dfd
  7. #9aa4fd
  8. #b3bbfe
  9. #ccd1fe
  10. #e6e8ff
  11. #ffffff

Tones

#021bfb mixed progressively with gray.

  1. #021bfb
  2. #0f25ef
  3. #1b2fe2
  4. #2839d6
  5. #3443ca
  6. #414ebe
  7. #4e58b1
  8. #5a62a5
  9. #676c99
  10. #73768c
  11. #808080

Readable text 8.23:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.55:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #4f4f4f ≈ 0.003% of males
Achromatomaly #3d40b0 ≈ 0.001% of males
Protanopia #005bff ≈ 1.01% of males
Deuteranopia #0041f8 ≈ 1.27% of males
Tritanopia #006d95 ≈ 0.0001% of males
Protanomaly #0049fe ≈ 1.08% of males
Deuteranomaly #0036f9 ≈ 4.63% of males
Tritanomaly #0057c6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-021bfb {
  color: #021bfb;
}
Background
.bg-021bfb {
  background-color: #021bfb;
  color: #ffffff;
}
Border
.border-021bfb {
  border: 2px solid #021bfb;
}
CSS variables
:root {
  --color-primary: #021bfb;
  --color-primary-rgb: 2 27 251;
  --color-primary-hsl: 234 98% 50%;
}
Gradient
.gradient-021bfb {
  background: linear-gradient(135deg, #021bfb, #6602fb);
}
Colored shadow
.shadow-021bfb {
  box-shadow: 0 8px 24px rgb(2 27 251 / 0.35);
}

#0000ff Blue ΔE 1.70 #3f00ff Ultramarine ΔE 2.62 #5218fa Han Purple ΔE 3.85 #6f00ff Electric Indigo ΔE 6.90 #0000cd Medium Blue ΔE 7.02 #1c39bb Persian Blue ΔE 8.60 #4f42b5 Ocean Blue ΔE 10.16 #fde404 Inverted #4f4f4f Grayscale 

Blue
#021bfb  rgb(2, 27, 251)  hsl(234, 98%, 50%)  Blue
#fbe202  rgb(251, 226, 2)  hsl(54, 98%, 50%)  Golden Yellow
#fb021b  rgb(251, 2, 27)  hsl(354, 98%, 50%)  Red
#1bfb02  rgb(27, 251, 2)  hsl(114, 98%, 50%)  Lime