ColorTool
Log in
#577ECD

#577ecd ≈ Glaucous

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

#577ecd is a color from the blue family, with medium lightness and moderate saturation. In the RGB model it is made of 34.12% red, 49.41% green and 80.39% blue; printed in CMYK it uses 57.56% cyan, 38.54% magenta, 0% yellow and 19.61% black. Its hue angle is 220.17°, with 54.13% saturation and 57.25% 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 brand accents. Black text on this color reaches a contrast ratio of 5.27:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 3.06.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2136

Complementary

  1. #577ecd
  2. #cda657

Split complementary

  1. #577ecd
  2. #cd6b57
  3. #b9cd57

Analogous

  1. #57b9cd
  2. #577ecd
  3. #6b57cd

Triadic

  1. #577ecd
  2. #cd577e
  3. #7ecd57

Tetradic

  1. #577ecd
  2. #a657cd
  3. #cda657
  4. #7ecd57

Square

  1. #577ecd
  2. #cd57b9
  3. #cda657
  4. #57cd6b

Monochromatic

  1. #20396b
  2. #3158a6
  3. #577ecd
  4. #92abdf
  5. #cdd9f0

Shades

#577ecd mixed progressively with black.

  1. #577ecd
  2. #4e71b9
  3. #4665a4
  4. #3d5890
  5. #344c7b
  6. #2c3f67
  7. #233252
  8. #1a263e
  9. #111929
  10. #090d15
  11. #000000

Tints

#577ecd mixed progressively with white.

  1. #577ecd
  2. #688bd2
  3. #7998d7
  4. #89a5dc
  5. #9ab2e1
  6. #abbfe6
  7. #bccbeb
  8. #cdd8f0
  9. #dde5f5
  10. #eef2fa
  11. #ffffff

Tones

#577ecd mixed progressively with gray.

  1. #577ecd
  2. #5b7ec5
  3. #5f7ebe
  4. #637fb6
  5. #677fae
  6. #6c7fa7
  7. #707f9f
  8. #747f97
  9. #78808f
  10. #7c8088
  11. #808080

Readable text 3.98:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.27:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7f7f7f ≈ 0.003% of males
Achromatomaly #717fa4 ≈ 0.001% of males
Protanopia #5d85d0 ≈ 1.01% of males
Deuteranopia #4e7acb ≈ 1.27% of males
Tritanopia #00909c ≈ 0.0001% of males
Protanomaly #5b82cf ≈ 1.08% of males
Deuteranomaly #527ccc ≈ 4.63% of males
Tritanomaly #3489b1 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577ecd {
  color: #577ecd;
}
Background
.bg-577ecd {
  background-color: #577ecd;
  color: #000000;
}
Border
.border-577ecd {
  border: 2px solid #577ecd;
}
CSS variables
:root {
  --color-primary: #577ecd;
  --color-primary-rgb: 87 126 205;
  --color-primary-hsl: 220 54% 57%;
}
Gradient
.gradient-577ecd {
  background: linear-gradient(135deg, #577ecd, #6b57cd);
}
Colored shadow
.shadow-577ecd {
  box-shadow: 0 8px 24px rgb(87 126 205 / 0.35);
}

#6082b6 Glaucous ΔE 3.06 #417dc1 Tufts Blue ΔE 4.43 #4682b4 Steel Blue ΔE 6.22 #0070ff Brandeis Blue ΔE 6.92 #5b92e5 United Nations Blue ΔE 7.19 #4169e1 Royal Blue ΔE 7.45 #0073cf True Blue ΔE 7.55 #a88132 Inverted #7f7f7f Grayscale 

Glaucous
#577ecd  rgb(87, 126, 205)  hsl(220, 54%, 57%)  Glaucous
#cda657  rgb(205, 166, 87)  hsl(40, 54%, 57%)  Indian Yellow
#cd577e  rgb(205, 87, 126)  hsl(340, 54%, 57%)  Blush
#7ecd57  rgb(126, 205, 87)  hsl(100, 54%, 57%)  Mantis