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#577EE7

#577ee7 ≈ Glaucous

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#577ee7 is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 34.12% red, 49.41% green and 90.59% blue; printed in CMYK it uses 62.34% cyan, 45.45% magenta, 0% yellow and 9.41% black. Its hue angle is 223.75°, with 75% saturation and 62.35% 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 5.54:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 5.45.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2272

Complementary

  1. #577ee7
  2. #e7c057

Split complementary

  1. #577ee7
  2. #e77857
  3. #c6e757

Analogous

  1. #57c6e7
  2. #577ee7
  3. #7857e7

Triadic

  1. #577ee7
  2. #e7577e
  3. #7ee757

Tetradic

  1. #577ee7
  2. #c057e7
  3. #e7c057
  4. #7ee757

Square

  1. #577ee7
  2. #e757c6
  3. #e7c057
  4. #57e778

Monochromatic

  1. #153690
  2. #1e4fd3
  3. #577ee7
  4. #9ab1f1
  5. #dde5fa

Shades

#577ee7 mixed progressively with black.

  1. #577ee7
  2. #4e71d0
  3. #4665b9
  4. #3d58a2
  5. #344c8b
  6. #2c3f74
  7. #23325c
  8. #1a2645
  9. #11192e
  10. #090d17
  11. #000000

Tints

#577ee7 mixed progressively with white.

  1. #577ee7
  2. #688be9
  3. #7998ec
  4. #89a5ee
  5. #9ab2f1
  6. #abbff3
  7. #bccbf5
  8. #cdd8f8
  9. #dde5fa
  10. #eef2fd
  11. #ffffff

Tones

#577ee7 mixed progressively with gray.

  1. #577ee7
  2. #5b7edd
  3. #5f7ed2
  4. #637fc8
  5. #677fbe
  6. #6c7fb4
  7. #707fa9
  8. #747f9f
  9. #788095
  10. #7c808a
  11. #808080

Readable text 3.79:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.54:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #838383 ≈ 0.003% of males
Achromatomaly #7481b4 ≈ 0.001% of males
Protanopia #4b8aeb ≈ 1.01% of males
Deuteranopia #327de5 ≈ 1.27% of males
Tritanopia #0096a7 ≈ 0.0001% of males
Protanomaly #5085e9 ≈ 1.08% of males
Deuteranomaly #447de6 ≈ 4.63% of males
Tritanomaly #208dc4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577ee7 {
  color: #577ee7;
}
Background
.bg-577ee7 {
  background-color: #577ee7;
  color: #000000;
}
Border
.border-577ee7 {
  border: 2px solid #577ee7;
}
CSS variables
:root {
  --color-primary: #577ee7;
  --color-primary-rgb: 87 126 231;
  --color-primary-hsl: 224 75% 62%;
}
Gradient
.gradient-577ee7 {
  background: linear-gradient(135deg, #577ee7, #7857e7);
}
Colored shadow
.shadow-577ee7 {
  box-shadow: 0 8px 24px rgb(87 126 231 / 0.35);
}

#6082b6 Glaucous ΔE 5.45 #0070ff Brandeis Blue ΔE 5.98 #417dc1 Tufts Blue ΔE 6.56 #5b92e5 United Nations Blue ΔE 6.82 #4169e1 Royal Blue ΔE 7.33 #6495ed Cornflower Blue ΔE 7.33 #4166f5 Ultramarine Blue ΔE 8.02 #a88118 Inverted #838383 Grayscale 

Glaucous
#577ee7  rgb(87, 126, 231)  hsl(224, 75%, 62%)  Glaucous
#e7c057  rgb(231, 192, 87)  hsl(44, 75%, 62%)  Meat Brown
#e7577e  rgb(231, 87, 126)  hsl(344, 75%, 62%)  Blush
#7ee757  rgb(126, 231, 87)  hsl(104, 75%, 62%)  Pastel Green