ColorTool
Log in
#021CB4

#021cb4 ≈ Zaffre

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

#021cb4 is a color from the blue family, with low lightness and strong saturation. In the RGB model it is made of 0.78% red, 10.98% green and 70.59% blue; printed in CMYK it uses 98.89% cyan, 84.44% magenta, 0% yellow and 29.41% black. Its hue angle is 231.24°, with 97.8% saturation and 35.69% 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 11.49:1 (WCAG AAA). The closest named color is Zaffre (#0014a8), ΔE 2.19.

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 luminance0.0414

Complementary

  1. #021cb4
  2. #b49a02

Split complementary

  1. #021cb4
  2. #b44102
  3. #75b402

Analogous

  1. #0275b4
  2. #021cb4
  3. #4102b4

Triadic

  1. #021cb4
  2. #b4021c
  3. #1cb402

Tetradic

  1. #021cb4
  2. #9a02b4
  3. #b49a02
  4. #1cb402

Square

  1. #021cb4
  2. #b40275
  3. #b49a02
  4. #02b441

Monochromatic

  1. #00041d
  2. #011068
  3. #021cb4
  4. #062afc
  5. #526bfd

Shades

#021cb4 mixed progressively with black.

  1. #021cb4
  2. #0219a2
  3. #021690
  4. #01147e
  5. #01116c
  6. #010e5a
  7. #010b48
  8. #010836
  9. #000624
  10. #000312
  11. #000000

Tints

#021cb4 mixed progressively with white.

  1. #021cb4
  2. #1b33bc
  3. #3549c3
  4. #4e60cb
  5. #6777d2
  6. #818eda
  7. #9aa4e1
  8. #b3bbe9
  9. #ccd2f0
  10. #e6e8f8
  11. #ffffff

Tones

#021cb4 mixed progressively with gray.

  1. #021cb4
  2. #0f26af
  3. #1b30aa
  4. #283aa4
  5. #34449f
  6. #414e9a
  7. #4e5895
  8. #5a6290
  9. #676c8a
  10. #737685
  11. #808080

Readable text 11.49:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.83:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #393939 ≈ 0.003% of males
Achromatomaly #2c307e ≈ 0.001% of males
Protanopia #0042b8 ≈ 1.01% of males
Deuteranopia #0030b2 ≈ 1.27% of males
Tritanopia #004f6b ≈ 0.0001% of males
Protanomaly #0036b6 ≈ 1.08% of males
Deuteranomaly #0029b3 ≈ 4.63% of males
Tritanomaly #00408e ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-021cb4 {
  color: #021cb4;
}
Background
.bg-021cb4 {
  background-color: #021cb4;
  color: #ffffff;
}
Border
.border-021cb4 {
  border: 2px solid #021cb4;
}
CSS variables
:root {
  --color-primary: #021cb4;
  --color-primary-rgb: 2 28 180;
  --color-primary-hsl: 231 98% 36%;
}
Gradient
.gradient-021cb4 {
  background: linear-gradient(135deg, #021cb4, #4102b4);
}
Colored shadow
.shadow-021cb4 {
  box-shadow: 0 8px 24px rgb(2 28 180 / 0.35);
}

#0014a8 Zaffre ΔE 2.19 #0000cd Medium Blue ΔE 3.76 #002395 Imperial Blue ΔE 4.60 #1034a6 Egyptian Blue ΔE 6.15 #000f89 Phthalo Blue ΔE 6.39 #1c39bb Persian Blue ΔE 6.83 #00008b Dark Blue ΔE 7.19 #fde34b Inverted #393939 Grayscale 

Zaffre
#021cb4  rgb(2, 28, 180)  hsl(231, 98%, 36%)  Zaffre
#b49a02  rgb(180, 154, 2)  hsl(51, 98%, 36%)  Brass
#b4021c  rgb(180, 2, 28)  hsl(351, 98%, 36%)  Firebrick
#1cb402  rgb(28, 180, 2)  hsl(111, 98%, 36%)  Kelly Green