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#577FBB

#577fbb ≈ Glaucous

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#577fbb is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 34.12% red, 49.8% green and 73.33% blue; printed in CMYK it uses 53.48% cyan, 32.09% magenta, 0% yellow and 26.67% black. Its hue angle is 216°, with 42.37% saturation and 53.73% 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 5.16:1 (WCAG AA). The closest named color is Glaucous (#6082b6), ΔE 1.81.

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 luminance0.2079

Complementary

  1. #577fbb
  2. #bb9357

Split complementary

  1. #577fbb
  2. #bb6157
  3. #b1bb57

Analogous

  1. #57b1bb
  2. #577fbb
  3. #6157bb

Triadic

  1. #577fbb
  2. #bb577f
  3. #7fbb57

Tetradic

  1. #577fbb
  2. #9357bb
  3. #bb9357
  4. #7fbb57

Square

  1. #577fbb
  2. #bb57b1
  3. #bb9357
  4. #57bb61

Monochromatic

  1. #233756
  2. #395a8d
  3. #577fbb
  4. #8da9d1
  5. #c4d2e7

Shades

#577fbb mixed progressively with black.

  1. #577fbb
  2. #4e72a8
  3. #466696
  4. #3d5983
  5. #344c70
  6. #2c405e
  7. #23334b
  8. #1a2638
  9. #111925
  10. #090d13
  11. #000000

Tints

#577fbb mixed progressively with white.

  1. #577fbb
  2. #688cc2
  3. #7999c9
  4. #89a5cf
  5. #9ab2d6
  6. #abbfdd
  7. #bccce4
  8. #cdd9eb
  9. #dde5f1
  10. #eef2f8
  11. #ffffff

Tones

#577fbb mixed progressively with gray.

  1. #577fbb
  2. #5b7fb5
  3. #5f7faf
  4. #637fa9
  5. #677fa3
  6. #6c809e
  7. #708098
  8. #748092
  9. #78808c
  10. #7c8086
  11. #808080

Readable text 4.07:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.16:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7e7e7e ≈ 0.003% of males
Achromatomaly #707e9a ≈ 0.001% of males
Protanopia #6783be ≈ 1.01% of males
Deuteranopia #5b7aba ≈ 1.27% of males
Tritanopia #208c94 ≈ 0.0001% of males
Protanomaly #6181bd ≈ 1.08% of males
Deuteranomaly #597cba ≈ 4.63% of males
Tritanomaly #3d87a5 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577fbb {
  color: #577fbb;
}
Background
.bg-577fbb {
  background-color: #577fbb;
  color: #000000;
}
Border
.border-577fbb {
  border: 2px solid #577fbb;
}
CSS variables
:root {
  --color-primary: #577fbb;
  --color-primary-rgb: 87 127 187;
  --color-primary-hsl: 216 42% 54%;
}
Gradient
.gradient-577fbb {
  background: linear-gradient(135deg, #577fbb, #6157bb);
}
Colored shadow
.shadow-577fbb {
  box-shadow: 0 8px 24px rgb(87 127 187 / 0.35);
}

#6082b6 Glaucous ΔE 1.81 #417dc1 Tufts Blue ΔE 3.32 #4682b4 Steel Blue ΔE 4.70 #0073cf True Blue ΔE 6.99 #318ce7 Bleu de France ΔE 7.48 #5d8aa8 Air Force Blue ΔE 7.49 #5b92e5 United Nations Blue ΔE 7.67 #a88044 Inverted #7e7e7e Grayscale 

Glaucous
#577fbb  rgb(87, 127, 187)  hsl(216, 42%, 54%)  Glaucous
#bb9357  rgb(187, 147, 87)  hsl(36, 42%, 54%)  Camel
#bb577f  rgb(187, 87, 127)  hsl(336, 42%, 54%)  Mulberry
#7fbb57  rgb(127, 187, 87)  hsl(96, 42%, 54%)  Mantis