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#577FA3

#577fa3 ≈ Steel Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
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#577fa3 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 63.92% blue; printed in CMYK it uses 46.63% cyan, 22.09% magenta, 0% yellow and 36.08% black. Its hue angle is 208.42°, with 30.4% saturation and 49.02% 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 4.97:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 3.49.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#666699
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1985

Complementary

  1. #577fa3
  2. #a37b57

Split complementary

  1. #577fa3
  2. #a35759
  3. #a3a157

Analogous

  1. #57a3a1
  2. #577fa3
  3. #5759a3

Triadic

  1. #577fa3
  2. #a3577f
  3. #7fa357

Tetradic

  1. #577fa3
  2. #7b57a3
  3. #a37b57
  4. #7fa357

Square

  1. #577fa3
  2. #a157a3
  3. #a37b57
  4. #59a357

Monochromatic

  1. #22313f
  2. #3c5871
  3. #577fa3
  4. #87a5bf
  5. #b9cada

Shades

#577fa3 mixed progressively with black.

  1. #577fa3
  2. #4e7293
  3. #466682
  4. #3d5972
  5. #344c62
  6. #2c4052
  7. #233341
  8. #1a2631
  9. #111921
  10. #090d10
  11. #000000

Tints

#577fa3 mixed progressively with white.

  1. #577fa3
  2. #688cac
  3. #7999b5
  4. #89a5bf
  5. #9ab2c8
  6. #abbfd1
  7. #bcccda
  8. #cdd9e3
  9. #dde5ed
  10. #eef2f6
  11. #ffffff

Tones

#577fa3 mixed progressively with gray.

  1. #577fa3
  2. #5b7fa0
  3. #5f7f9c
  4. #637f99
  5. #677f95
  6. #6c8092
  7. #70808e
  8. #74808b
  9. #788087
  10. #7c8084
  11. #808080

Readable text 4.23:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.97:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7b7b7b ≈ 0.003% of males
Achromatomaly #6e7d8d ≈ 0.001% of males
Protanopia #7080a5 ≈ 1.01% of males
Deuteranopia #6678a2 ≈ 1.27% of males
Tritanopia #37878b ≈ 0.0001% of males
Protanomaly #677fa4 ≈ 1.08% of males
Deuteranomaly #617ba3 ≈ 4.63% of males
Tritanomaly #468495 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-577fa3 {
  color: #577fa3;
}
Background
.bg-577fa3 {
  background-color: #577fa3;
  color: #000000;
}
Border
.border-577fa3 {
  border: 2px solid #577fa3;
}
CSS variables
:root {
  --color-primary: #577fa3;
  --color-primary-rgb: 87 127 163;
  --color-primary-hsl: 208 30% 49%;
}
Gradient
.gradient-577fa3 {
  background: linear-gradient(135deg, #577fa3, #5759a3);
}
Colored shadow
.shadow-577fa3 {
  box-shadow: 0 8px 24px rgb(87 127 163 / 0.35);
}

#4682b4 Steel Blue ΔE 3.49 #6082b6 Glaucous ΔE 4.53 #417dc1 Tufts Blue ΔE 4.67 #5d8aa8 Air Force Blue ΔE 4.75 #708090 Slate Gray ΔE 7.37 #708090 Slate Grey ΔE 7.37 #0073cf True Blue ΔE 7.56 #a8805c Inverted #7b7b7b Grayscale 

Steel Blue
#577fa3  rgb(87, 127, 163)  hsl(208, 30%, 49%)  Steel Blue
#a37b57  rgb(163, 123, 87)  hsl(28, 30%, 49%)  Cafe au Lait
#a3577f  rgb(163, 87, 127)  hsl(328, 30%, 49%)  Twilight Lavender
#7fa357  rgb(127, 163, 87)  hsl(88, 30%, 49%)  Asparagus