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#337DBA

#337dba ≈ Steel Blue

  • azure
  • Lightness: medium
  • Saturation: strong
  • Cool
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#337dba is a color from the azure family, with medium lightness and strong saturation. In the RGB model it is made of 20% red, 49.02% green and 72.94% blue; printed in CMYK it uses 72.58% cyan, 32.8% magenta, 0% yellow and 27.06% black. Its hue angle is 207.11°, with 56.96% saturation and 46.47% 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 4.78:1 (WCAG AA). The closest named color is Steel Blue (#4682b4), ΔE 2.47.

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 luminance0.1892

Complementary

  1. #337dba
  2. #ba7033

Split complementary

  1. #337dba
  2. #ba333a
  3. #bab333

Analogous

  1. #33bab3
  2. #337dba
  3. #333aba

Triadic

  1. #337dba
  2. #ba337d
  3. #7dba33

Tetradic

  1. #337dba
  2. #7033ba
  3. #ba7033
  4. #7dba33

Square

  1. #337dba
  2. #b333ba
  3. #ba7033
  4. #3aba33

Monochromatic

  1. #122c42
  2. #23557e
  3. #337dba
  4. #65a2d5
  5. #a1c6e5

Shades

#337dba mixed progressively with black.

  1. #337dba
  2. #2e71a7
  3. #296495
  4. #245882
  5. #1f4b70
  6. #1a3f5d
  7. #14324a
  8. #0f2638
  9. #0a1925
  10. #050d13
  11. #000000

Tints

#337dba mixed progressively with white.

  1. #337dba
  2. #478ac1
  3. #5c97c8
  4. #70a4cf
  5. #85b1d6
  6. #99bedd
  7. #adcbe3
  8. #c2d8ea
  9. #d6e5f1
  10. #ebf2f8
  11. #ffffff

Tones

#337dba mixed progressively with gray.

  1. #337dba
  2. #3b7db4
  3. #427eae
  4. #4a7ea9
  5. #527ea3
  6. #5a7f9d
  7. #617f97
  8. #697f91
  9. #717f8c
  10. #788086
  11. #808080

Readable text 4.39:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.78:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #787878 ≈ 0.003% of males
Achromatomaly #647a97 ≈ 0.001% of males
Protanopia #617fbd ≈ 1.01% of males
Deuteranopia #4e73b9 ≈ 1.27% of males
Tritanopia #008c93 ≈ 0.0001% of males
Protanomaly #527ebc ≈ 1.08% of males
Deuteranomaly #4577b9 ≈ 4.63% of males
Tritanomaly #0086a4 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-337dba {
  color: #337dba;
}
Background
.bg-337dba {
  background-color: #337dba;
  color: #000000;
}
Border
.border-337dba {
  border: 2px solid #337dba;
}
CSS variables
:root {
  --color-primary: #337dba;
  --color-primary-rgb: 51 125 186;
  --color-primary-hsl: 207 57% 46%;
}
Gradient
.gradient-337dba {
  background: linear-gradient(135deg, #337dba, #333aba);
}
Colored shadow
.shadow-337dba {
  box-shadow: 0 8px 24px rgb(51 125 186 / 0.35);
}

#4682b4 Steel Blue ΔE 2.47 #417dc1 Tufts Blue ΔE 2.68 #0073cf True Blue ΔE 4.29 #0072bb French Blue ΔE 4.32 #007ba7 Cerulean ΔE 6.68 #6082b6 Glaucous ΔE 6.91 #318ce7 Bleu de France ΔE 6.94 #cc8245 Inverted #787878 Grayscale 

Steel Blue
#337dba  rgb(51, 125, 186)  hsl(207, 57%, 46%)  Steel Blue
#ba7033  rgb(186, 112, 51)  hsl(27, 57%, 46%)  Copper
#ba337d  rgb(186, 51, 125)  hsl(327, 57%, 46%)  Medium Violet Red
#7dba33  rgb(125, 186, 51)  hsl(87, 57%, 46%)  Apple Green