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#557FCB

#557fcb ≈ Glaucous

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#557fcb is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 33.33% red, 49.8% green and 79.61% blue; printed in CMYK it uses 58.13% cyan, 37.44% magenta, 0% yellow and 20.39% black. Its hue angle is 218.64°, with 53.15% saturation and 56.47% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and brand accents. Black text on this color reaches a contrast ratio of 5.28:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 2.89.

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 luminance0.2142

Complementary

  1. #557fcb
  2. #cba155

Split complementary

  1. #557fcb
  2. #cb6655
  3. #bacb55

Analogous

  1. #55bacb
  2. #557fcb
  3. #6655cb

Triadic

  1. #557fcb
  2. #cb557f
  3. #7fcb55

Tetradic

  1. #557fcb
  2. #a155cb
  3. #cba155
  4. #7fcb55

Square

  1. #557fcb
  2. #cb55ba
  3. #cba155
  4. #55cb66

Monochromatic

  1. #203967
  2. #325aa2
  3. #557fcb
  4. #90abdd
  5. #cad7ef

Shades

#557fcb mixed progressively with black.

  1. #557fcb
  2. #4d72b7
  3. #4466a2
  4. #3c598e
  5. #334c7a
  6. #2b4066
  7. #223351
  8. #1a263d
  9. #111929
  10. #090d14
  11. #000000

Tints

#557fcb mixed progressively with white.

  1. #557fcb
  2. #668cd0
  3. #7799d5
  4. #88a5db
  5. #99b2e0
  6. #aabfe5
  7. #bbccea
  8. #ccd9ef
  9. #dde5f5
  10. #eef2fa
  11. #ffffff

Tones

#557fcb mixed progressively with gray.

  1. #557fcb
  2. #597fc4
  3. #5e7fbc
  4. #627fb5
  5. #667fad
  6. #6b80a6
  7. #6f809e
  8. #738097
  9. #77808f
  10. #7c8088
  11. #808080

Readable text 3.97:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.28:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #808080 ≈ 0.003% of males
Achromatomaly #717fa3 ≈ 0.001% of males
Protanopia #5f86ce ≈ 1.01% of males
Deuteranopia #507bc9 ≈ 1.27% of males
Tritanopia #00909b ≈ 0.0001% of males
Protanomaly #5b83cd ≈ 1.08% of males
Deuteranomaly #527cca ≈ 4.63% of males
Tritanomaly #3189b0 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-557fcb {
  color: #557fcb;
}
Background
.bg-557fcb {
  background-color: #557fcb;
  color: #000000;
}
Border
.border-557fcb {
  border: 2px solid #557fcb;
}
CSS variables
:root {
  --color-primary: #557fcb;
  --color-primary-rgb: 85 127 203;
  --color-primary-hsl: 219 53% 56%;
}
Gradient
.gradient-557fcb {
  background: linear-gradient(135deg, #557fcb, #6655cb);
}
Colored shadow
.shadow-557fcb {
  box-shadow: 0 8px 24px rgb(85 127 203 / 0.35);
}

#6082b6 Glaucous ΔE 2.89 #417dc1 Tufts Blue ΔE 3.83 #4682b4 Steel Blue ΔE 5.61 #5b92e5 United Nations Blue ΔE 6.86 #0070ff Brandeis Blue ΔE 7.00 #318ce7 Bleu de France ΔE 7.08 #0073cf True Blue ΔE 7.19 #aa8034 Inverted #808080 Grayscale 

Glaucous
#557fcb  rgb(85, 127, 203)  hsl(219, 53%, 56%)  Glaucous
#cba155  rgb(203, 161, 85)  hsl(39, 53%, 56%)  Indian Yellow
#cb557f  rgb(203, 85, 127)  hsl(339, 53%, 56%)  Blush
#7fcb55  rgb(127, 203, 85)  hsl(99, 53%, 56%)  Mantis