ColorTool
Log in
#021DBB

#021dbb ≈ Zaffre

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

#021dbb is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 0.78% red, 11.37% green and 73.33% blue; printed in CMYK it uses 98.93% cyan, 84.49% magenta, 0% yellow and 26.67% black. Its hue angle is 231.24°, with 97.88% saturation and 37.06% 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 11.08:1 (WCAG AAA). The closest named color is Zaffre (#0014a8), ΔE 3.07.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#0033cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0448

Complementary

  1. #021dbb
  2. #bba002

Split complementary

  1. #021dbb
  2. #bb4302
  3. #7abb02

Analogous

  1. #027abb
  2. #021dbb
  3. #4302bb

Triadic

  1. #021dbb
  2. #bb021d
  3. #1dbb02

Tetradic

  1. #021dbb
  2. #a002bb
  3. #bba002
  4. #1dbb02

Square

  1. #021dbb
  2. #bb027a
  3. #bba002
  4. #02bb43

Monochromatic

  1. #000624
  2. #01116f
  3. #021dbb
  4. #0d30fc
  5. #5971fd

Shades

#021dbb mixed progressively with black.

  1. #021dbb
  2. #021aa8
  3. #021796
  4. #011483
  5. #011170
  6. #010f5e
  7. #010c4b
  8. #010938
  9. #000625
  10. #000313
  11. #000000

Tints

#021dbb mixed progressively with white.

  1. #021dbb
  2. #1b34c2
  3. #354ac9
  4. #4e61cf
  5. #6777d6
  6. #818edd
  7. #9aa5e4
  8. #b3bbeb
  9. #ccd2f1
  10. #e6e8f8
  11. #ffffff

Tones

#021dbb mixed progressively with gray.

  1. #021dbb
  2. #0f27b5
  3. #1b31af
  4. #283ba9
  5. #3445a3
  6. #414f9e
  7. #4e5898
  8. #5a6292
  9. #676c8c
  10. #737686
  11. #808080

Readable text 11.08:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.9:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #3c3c3c ≈ 0.003% of males
Achromatomaly #2e3283 ≈ 0.001% of males
Protanopia #0045bf ≈ 1.01% of males
Deuteranopia #0032b8 ≈ 1.27% of males
Tritanopia #00526f ≈ 0.0001% of males
Protanomaly #0039be ≈ 1.08% of males
Deuteranomaly #002bb9 ≈ 4.63% of males
Tritanomaly #004394 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-021dbb {
  color: #021dbb;
}
Background
.bg-021dbb {
  background-color: #021dbb;
  color: #ffffff;
}
Border
.border-021dbb {
  border: 2px solid #021dbb;
}
CSS variables
:root {
  --color-primary: #021dbb;
  --color-primary-rgb: 2 29 187;
  --color-primary-hsl: 231 98% 37%;
}
Gradient
.gradient-021dbb {
  background: linear-gradient(135deg, #021dbb, #4302bb);
}
Colored shadow
.shadow-021dbb {
  box-shadow: 0 8px 24px rgb(2 29 187 / 0.35);
}

#0014a8 Zaffre ΔE 3.07 #0000cd Medium Blue ΔE 3.29 #002395 Imperial Blue ΔE 5.37 #1034a6 Egyptian Blue ΔE 6.20 #1c39bb Persian Blue ΔE 6.42 #000f89 Phthalo Blue ΔE 7.33 #003399 Smalt ΔE 7.63 #fde244 Inverted #3c3c3c Grayscale 

Zaffre
#021dbb  rgb(2, 29, 187)  hsl(231, 98%, 37%)  Zaffre
#bba002  rgb(187, 160, 2)  hsl(51, 98%, 37%)  Brass
#bb021d  rgb(187, 2, 29)  hsl(351, 98%, 37%)  Firebrick
#1dbb02  rgb(29, 187, 2)  hsl(111, 98%, 37%)  Kelly Green