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#577DD9

#577dd9 ≈ Glaucous

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#577dd9 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 34.12% red, 49.02% green and 85.1% blue; printed in CMYK it uses 59.91% cyan, 42.4% magenta, 0% yellow and 14.9% black. Its hue angle is 222.46°, with 63.11% saturation and 59.61% 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 5.34:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 4.23.

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 luminance0.217

Complementary

  1. #577dd9
  2. #d9b357

Split complementary

  1. #577dd9
  2. #d97257
  3. #bed957

Analogous

  1. #57bed9
  2. #577dd9
  3. #7257d9

Triadic

  1. #577dd9
  2. #d9577d
  3. #7dd957

Tetradic

  1. #577dd9
  2. #b357d9
  3. #d9b357
  4. #7dd957

Square

  1. #577dd9
  2. #d957be
  3. #d9b357
  4. #57d972

Monochromatic

  1. #1c387b
  2. #2a54ba
  3. #577dd9
  4. #95ade7
  5. #d4def5

Shades

#577dd9 mixed progressively with black.

  1. #577dd9
  2. #4e71c3
  3. #4664ae
  4. #3d5898
  5. #344b82
  6. #2c3f6d
  7. #233257
  8. #1a2641
  9. #11192b
  10. #090d16
  11. #000000

Tints

#577dd9 mixed progressively with white.

  1. #577dd9
  2. #688add
  3. #7997e1
  4. #89a4e4
  5. #9ab1e8
  6. #abbeec
  7. #bccbf0
  8. #cdd8f4
  9. #dde5f7
  10. #eef2fb
  11. #ffffff

Tones

#577dd9 mixed progressively with gray.

  1. #577dd9
  2. #5b7dd0
  3. #5f7ec7
  4. #637ebe
  5. #677eb5
  6. #6c7fad
  7. #707fa4
  8. #747f9b
  9. #787f92
  10. #7c8089
  11. #808080

Readable text 3.93:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.34:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #808080 ≈ 0.003% of males
Achromatomaly #727fab ≈ 0.001% of males
Protanopia #5487dd ≈ 1.01% of males
Deuteranopia #417bd7 ≈ 1.27% of males
Tritanopia #0092a0 ≈ 0.0001% of males
Protanomaly #5583db ≈ 1.08% of males
Deuteranomaly #4b7cd8 ≈ 4.63% of males
Tritanomaly #2d8aba ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-577dd9 {
  color: #577dd9;
}
Background
.bg-577dd9 {
  background-color: #577dd9;
  color: #000000;
}
Border
.border-577dd9 {
  border: 2px solid #577dd9;
}
CSS variables
:root {
  --color-primary: #577dd9;
  --color-primary-rgb: 87 125 217;
  --color-primary-hsl: 222 63% 60%;
}
Gradient
.gradient-577dd9 {
  background: linear-gradient(135deg, #577dd9, #7257d9);
}
Colored shadow
.shadow-577dd9 {
  box-shadow: 0 8px 24px rgb(87 125 217 / 0.35);
}

#6082b6 Glaucous ΔE 4.23 #417dc1 Tufts Blue ΔE 5.45 #0070ff Brandeis Blue ΔE 6.22 #4169e1 Royal Blue ΔE 6.91 #4682b4 Steel Blue ΔE 7.19 #5b92e5 United Nations Blue ΔE 7.24 #6495ed Cornflower Blue ΔE 7.99 #a88226 Inverted #808080 Grayscale 

Glaucous
#577dd9  rgb(87, 125, 217)  hsl(222, 63%, 60%)  Glaucous
#d9b357  rgb(217, 179, 87)  hsl(42, 63%, 60%)  Metallic Gold
#d9577d  rgb(217, 87, 125)  hsl(342, 63%, 60%)  Blush
#7dd957  rgb(125, 217, 87)  hsl(102, 63%, 60%)  Pastel Green