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#307CB8

#307cb8 ≈ Steel Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#307cb8 is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 18.82% red, 48.63% green and 72.16% blue; printed in CMYK it uses 73.91% cyan, 32.61% magenta, 0% yellow and 27.84% black. Its hue angle is 206.47°, with 58.62% saturation and 45.49% 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 4.7:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 2.84.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.185

Complementary

  1. #307cb8
  2. #b86c30

Split complementary

  1. #307cb8
  2. #b83038
  3. #b8b030

Analogous

  1. #30b8b0
  2. #307cb8
  3. #3038b8

Triadic

  1. #307cb8
  2. #b8307c
  3. #7cb830

Tetradic

  1. #307cb8
  2. #6c30b8
  3. #b86c30
  4. #7cb830

Square

  1. #307cb8
  2. #b030b8
  3. #b86c30
  4. #38b830

Monochromatic

  1. #102a3f
  2. #20537b
  3. #307cb8
  4. #5fa1d5
  5. #9cc5e5

Shades

#307cb8 mixed progressively with black.

  1. #307cb8
  2. #2b70a6
  3. #266393
  4. #225781
  5. #1d4a6e
  6. #183e5c
  7. #13324a
  8. #0e2537
  9. #0a1925
  10. #050c12
  11. #000000

Tints

#307cb8 mixed progressively with white.

  1. #307cb8
  2. #4589bf
  3. #5996c6
  4. #6ea3cd
  5. #83b0d4
  6. #98bedc
  7. #accbe3
  8. #c1d8ea
  9. #d6e5f1
  10. #eaf2f8
  11. #ffffff

Tones

#307cb8 mixed progressively with gray.

  1. #307cb8
  2. #387cb2
  3. #407dad
  4. #487da7
  5. #507ea2
  6. #587e9c
  7. #607e96
  8. #687f91
  9. #707f8b
  10. #788086
  11. #808080

Readable text 4.47:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.7:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #777777 ≈ 0.003% of males
Achromatomaly #627995 ≈ 0.001% of males
Protanopia #617ebb ≈ 1.01% of males
Deuteranopia #4d71b7 ≈ 1.27% of males
Tritanopia #008a91 ≈ 0.0001% of males
Protanomaly #517dba ≈ 1.08% of males
Deuteranomaly #4376b7 ≈ 4.63% of males
Tritanomaly #0085a2 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-307cb8 {
  color: #307cb8;
}
Background
.bg-307cb8 {
  background-color: #307cb8;
  color: #000000;
}
Border
.border-307cb8 {
  border: 2px solid #307cb8;
}
CSS variables
:root {
  --color-primary: #307cb8;
  --color-primary-rgb: 48 124 184;
  --color-primary-hsl: 206 59% 45%;
}
Gradient
.gradient-307cb8 {
  background: linear-gradient(135deg, #307cb8, #3038b8);
}
Colored shadow
.shadow-307cb8 {
  box-shadow: 0 8px 24px rgb(48 124 184 / 0.35);
}

#4682b4 Steel Blue ΔE 2.84 #417dc1 Tufts Blue ΔE 3.13 #0072bb French Blue ΔE 3.91 #0073cf True Blue ΔE 4.22 #007ba7 Cerulean ΔE 6.24 #6082b6 Glaucous ΔE 7.33 #318ce7 Bleu de France ΔE 7.45 #cf8347 Inverted #777777 Grayscale 

Steel Blue
#307cb8  rgb(48, 124, 184)  hsl(206, 59%, 45%)  Steel Blue
#b86c30  rgb(184, 108, 48)  hsl(26, 59%, 45%)  Copper
#b8307c  rgb(184, 48, 124)  hsl(326, 59%, 45%)  Medium Violet Red
#7cb830  rgb(124, 184, 48)  hsl(86, 59%, 45%)  Apple Green