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#355DF3

#355df3 ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#355df3 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 20.78% red, 36.47% green and 95.29% blue; printed in CMYK it uses 78.19% cyan, 61.73% magenta, 0% yellow and 4.71% black. Its hue angle is 227.37°, with 88.79% saturation and 58.04% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and call-to-action buttons. White text on this color reaches a contrast ratio of 5.24:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 2.97.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1506

Complementary

  1. #355df3
  2. #f3cb35

Split complementary

  1. #355df3
  2. #f36c35
  3. #bcf335

Analogous

  1. #35bcf3
  2. #355df3
  3. #6c35f3

Triadic

  1. #355df3
  2. #f3355d
  3. #5df335

Tetradic

  1. #355df3
  2. #cb35f3
  3. #f3cb35
  4. #5df335

Square

  1. #355df3
  2. #f335bc
  3. #f3cb35
  4. #35f36c

Monochromatic

  1. #082387
  2. #0c35cf
  3. #355df3
  4. #7d97f7
  5. #c5d1fc

Shades

#355df3 mixed progressively with black.

  1. #355df3
  2. #3054db
  3. #2a4ac2
  4. #2541aa
  5. #203892
  6. #1b2f7a
  7. #152561
  8. #101c49
  9. #0b1331
  10. #050918
  11. #000000

Tints

#355df3 mixed progressively with white.

  1. #355df3
  2. #496df4
  3. #5d7df5
  4. #728ef7
  5. #869ef8
  6. #9aaef9
  7. #aebefa
  8. #c2cefb
  9. #d7dffd
  10. #ebeffe
  11. #ffffff

Tones

#355df3 mixed progressively with gray.

  1. #355df3
  2. #3d61e8
  3. #4464dc
  4. #4c68d1
  5. #536bc5
  6. #5b6fba
  7. #6272ae
  8. #6a76a3
  9. #717997
  10. #797d8c
  11. #808080

Readable text 5.24:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.01:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6c6c6c ≈ 0.003% of males
Achromatomaly #5b66b3 ≈ 0.001% of males
Protanopia #0075f8 ≈ 1.01% of males
Deuteranopia #0063f0 ≈ 1.27% of males
Tritanopia #00849f ≈ 0.0001% of males
Protanomaly #006cf6 ≈ 1.08% of males
Deuteranomaly #0061f1 ≈ 4.63% of males
Tritanomaly #0076c6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-355df3 {
  color: #355df3;
}
Background
.bg-355df3 {
  background-color: #355df3;
  color: #ffffff;
}
Border
.border-355df3 {
  border: 2px solid #355df3;
}
CSS variables
:root {
  --color-primary: #355df3;
  --color-primary-rgb: 53 93 243;
  --color-primary-hsl: 227 89% 58%;
}
Gradient
.gradient-355df3 {
  background: linear-gradient(135deg, #355df3, #6c35f3);
}
Colored shadow
.shadow-355df3 {
  box-shadow: 0 8px 24px rgb(53 93 243 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 2.97 #4169e1 Royal Blue ΔE 4.31 #6050dc Majorelle Blue ΔE 6.91 #0070ff Brandeis Blue ΔE 7.20 #5a4fcf Iris ΔE 7.48 #6a5acd Slate Blue ΔE 7.95 #1560bd Denim ΔE 8.83 #caa20c Inverted #6c6c6c Grayscale 

Ultramarine Blue
#355df3  rgb(53, 93, 243)  hsl(227, 89%, 58%)  Ultramarine Blue
#f3cb35  rgb(243, 203, 53)  hsl(47, 89%, 58%)  Jonquil
#f3355d  rgb(243, 53, 93)  hsl(347, 89%, 58%)  Neon Fuchsia
#5df335  rgb(93, 243, 53)  hsl(107, 89%, 58%)  Neon Green