ColorTool
Log in
#618BB3

#618bb3 ≈ Air Force Blue

  • azure
  • Lightness: medium
  • Saturation: moderate
  • Cool
Check contrast Explore in graph Random color

#618bb3 is a color from the azure family, with medium lightness and moderate saturation. In the RGB model it is made of 38.04% red, 54.51% green and 70.2% blue; printed in CMYK it uses 45.81% cyan, 22.35% magenta, 0% yellow and 29.8% black. Its hue angle is 209.27°, with 35.04% saturation and 54.12% 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 5.85:1 (WCAG AA). The closest named color is Air Force Blue (#5d8aa8), ΔE 3.68.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6699cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2426

Complementary

  1. #618bb3
  2. #b38961

Split complementary

  1. #618bb3
  2. #b36162
  3. #b3b261

Analogous

  1. #61b3b2
  2. #618bb3
  3. #6162b3

Triadic

  1. #618bb3
  2. #b3618b
  3. #8bb361

Tetradic

  1. #618bb3
  2. #8961b3
  3. #b38961
  4. #8bb361

Square

  1. #618bb3
  2. #b261b3
  3. #b38961
  4. #62b361

Monochromatic

  1. #283e53
  2. #416587
  3. #618bb3
  4. #95b1cc
  5. #c8d7e5

Shades

#618bb3 mixed progressively with black.

  1. #618bb3
  2. #577da1
  3. #4e6f8f
  4. #44617d
  5. #3a536b
  6. #31465a
  7. #273848
  8. #1d2a36
  9. #131c24
  10. #0a0e12
  11. #000000

Tints

#618bb3 mixed progressively with white.

  1. #618bb3
  2. #7197bb
  3. #81a2c2
  4. #90aeca
  5. #a0b9d1
  6. #b0c5d9
  7. #c0d1e1
  8. #d0dce8
  9. #dfe8f0
  10. #eff3f7
  11. #ffffff

Tones

#618bb3 mixed progressively with gray.

  1. #618bb3
  2. #648aae
  3. #6789a9
  4. #6a88a4
  5. #6d879f
  6. #71869a
  7. #748494
  8. #77838f
  9. #7a828a
  10. #7d8185
  11. #808080

Readable text 3.59:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 5.85:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #878787 ≈ 0.003% of males
Achromatomaly #7a899b ≈ 0.001% of males
Protanopia #7b8cb5 ≈ 1.01% of males
Deuteranopia #7083b2 ≈ 1.27% of males
Tritanopia #3f9498 ≈ 0.0001% of males
Protanomaly #718bb4 ≈ 1.08% of males
Deuteranomaly #6b87b3 ≈ 4.63% of males
Tritanomaly #4f91a4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-618bb3 {
  color: #618bb3;
}
Background
.bg-618bb3 {
  background-color: #618bb3;
  color: #000000;
}
Border
.border-618bb3 {
  border: 2px solid #618bb3;
}
CSS variables
:root {
  --color-primary: #618bb3;
  --color-primary-rgb: 97 139 179;
  --color-primary-hsl: 209 35% 54%;
}
Gradient
.gradient-618bb3 {
  background: linear-gradient(135deg, #618bb3, #6162b3);
}
Colored shadow
.shadow-618bb3 {
  box-shadow: 0 8px 24px rgb(97 139 179 / 0.35);
}

#5d8aa8 Air Force Blue ΔE 3.68 #6082b6 Glaucous ΔE 4.33 #4682b4 Steel Blue ΔE 4.64 #5b92e5 United Nations Blue ΔE 5.97 #417dc1 Tufts Blue ΔE 6.17 #318ce7 Bleu de France ΔE 6.32 #6495ed Cornflower Blue ΔE 7.10 #9e744c Inverted #878787 Grayscale 

Air Force Blue
#618bb3  rgb(97, 139, 179)  hsl(209, 35%, 54%)  Air Force Blue
#b38961  rgb(179, 137, 97)  hsl(29, 35%, 54%)  Cafe au Lait
#b3618b  rgb(179, 97, 139)  hsl(329, 35%, 54%)  Mulberry
#8bb361  rgb(139, 179, 97)  hsl(89, 35%, 54%)  Olivine