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#577BCD

#577bcd ≈ Glaucous

  • blue
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#577bcd is a color from the blue family, with medium lightness and moderate saturation. In the RGB model it is made of 34.12% red, 48.24% green and 80.39% blue; printed in CMYK it uses 57.56% cyan, 40% magenta, 0% yellow and 19.61% black. Its hue angle is 221.69°, 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 5.12:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 3.58.

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 luminance0.206

Complementary

  1. #577bcd
  2. #cda957

Split complementary

  1. #577bcd
  2. #cd6e57
  3. #b6cd57

Analogous

  1. #57b6cd
  2. #577bcd
  3. #6e57cd

Triadic

  1. #577bcd
  2. #cd577b
  3. #7bcd57

Tetradic

  1. #577bcd
  2. #a957cd
  3. #cda957
  4. #7bcd57

Square

  1. #577bcd
  2. #cd57b6
  3. #cda957
  4. #57cd6e

Monochromatic

  1. #20376b
  2. #3155a6
  3. #577bcd
  4. #92a9df
  5. #cdd8f0

Shades

#577bcd mixed progressively with black.

  1. #577bcd
  2. #4e6fb9
  3. #4662a4
  4. #3d5690
  5. #344a7b
  6. #2c3e67
  7. #233152
  8. #1a253e
  9. #111929
  10. #090c15
  11. #000000

Tints

#577bcd mixed progressively with white.

  1. #577bcd
  2. #6888d2
  3. #7995d7
  4. #89a3dc
  5. #9ab0e1
  6. #abbde6
  7. #bccaeb
  8. #cdd7f0
  9. #dde5f5
  10. #eef2fa
  11. #ffffff

Tones

#577bcd mixed progressively with gray.

  1. #577bcd
  2. #5b7cc5
  3. #5f7cbe
  4. #637db6
  5. #677dae
  6. #6c7ea7
  7. #707e9f
  8. #747f97
  9. #787f8f
  10. #7c8088
  11. #808080

Readable text 4.1:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.12:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7d7d7d ≈ 0.003% of males
Achromatomaly #707ca3 ≈ 0.001% of males
Protanopia #5883d0 ≈ 1.01% of males
Deuteranopia #4978cb ≈ 1.27% of males
Tritanopia #008d9a ≈ 0.0001% of males
Protanomaly #5880cf ≈ 1.08% of males
Deuteranomaly #4f79cc ≈ 4.63% of males
Tritanomaly #3586b1 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577bcd {
  color: #577bcd;
}
Background
.bg-577bcd {
  background-color: #577bcd;
  color: #000000;
}
Border
.border-577bcd {
  border: 2px solid #577bcd;
}
CSS variables
:root {
  --color-primary: #577bcd;
  --color-primary-rgb: 87 123 205;
  --color-primary-hsl: 222 54% 57%;
}
Gradient
.gradient-577bcd {
  background: linear-gradient(135deg, #577bcd, #6e57cd);
}
Colored shadow
.shadow-577bcd {
  box-shadow: 0 8px 24px rgb(87 123 205 / 0.35);
}

#6082b6 Glaucous ΔE 3.58 #417dc1 Tufts Blue ΔE 4.89 #4169e1 Royal Blue ΔE 6.52 #0070ff Brandeis Blue ΔE 6.62 #4682b4 Steel Blue ΔE 6.83 #0073cf True Blue ΔE 7.53 #4166f5 Ultramarine Blue ΔE 8.16 #a88432 Inverted #7d7d7d Grayscale 

Glaucous
#577bcd  rgb(87, 123, 205)  hsl(222, 54%, 57%)  Glaucous
#cda957  rgb(205, 169, 87)  hsl(42, 54%, 57%)  Metallic Gold
#cd577b  rgb(205, 87, 123)  hsl(342, 54%, 57%)  Blush
#7bcd57  rgb(123, 205, 87)  hsl(102, 54%, 57%)  Mantis