ColorTool
Log in
#345CFA

#345cfa ≈ Ultramarine Blue

  • blue
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#345cfa is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 20.39% red, 36.08% green and 98.04% blue; printed in CMYK it uses 79.2% cyan, 63.2% magenta, 0% yellow and 1.96% black. Its hue angle is 227.88°, with 95.19% saturation and 59.22% 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 5.18:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.12.

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 luminance0.1529

Complementary

  1. #345cfa
  2. #fad234

Split complementary

  1. #345cfa
  2. #fa6f34
  3. #bffa34

Analogous

  1. #34bffa
  2. #345cfa
  3. #6f34fa

Triadic

  1. #345cfa
  2. #fa345c
  3. #5cfa34

Tetradic

  1. #345cfa
  2. #d234fa
  3. #fad234
  4. #5cfa34

Square

  1. #345cfa
  2. #fa34bf
  3. #fad234
  4. #34fa6f

Monochromatic

  1. #042091
  2. #0531dc
  3. #345cfa
  4. #7f98fc
  5. #c9d4fe

Shades

#345cfa mixed progressively with black.

  1. #345cfa
  2. #2f53e1
  3. #2a4ac8
  4. #2440af
  5. #1f3796
  6. #1a2e7d
  7. #152564
  8. #101c4b
  9. #0a1232
  10. #050919
  11. #000000

Tints

#345cfa mixed progressively with white.

  1. #345cfa
  2. #486cfb
  3. #5d7dfb
  4. #718dfc
  5. #859dfc
  6. #9aaefd
  7. #aebefd
  8. #c2cefe
  9. #d6defe
  10. #ebefff
  11. #ffffff

Tones

#345cfa mixed progressively with gray.

  1. #345cfa
  2. #3c60ee
  3. #4363e2
  4. #4b67d5
  5. #526ac9
  6. #5a6ebd
  7. #6272b1
  8. #6975a5
  9. #717998
  10. #787c8c
  11. #808080

Readable text 5.18:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.06:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6d6d6d ≈ 0.003% of males
Achromatomaly #5b67b7 ≈ 0.001% of males
Protanopia #0077ff ≈ 1.01% of males
Deuteranopia #0064f7 ≈ 1.27% of males
Tritanopia #0086a3 ≈ 0.0001% of males
Protanomaly #006dfd ≈ 1.08% of males
Deuteranomaly #0061f8 ≈ 4.63% of males
Tritanomaly #0077cc ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-345cfa {
  color: #345cfa;
}
Background
.bg-345cfa {
  background-color: #345cfa;
  color: #ffffff;
}
Border
.border-345cfa {
  border: 2px solid #345cfa;
}
CSS variables
:root {
  --color-primary: #345cfa;
  --color-primary-rgb: 52 92 250;
  --color-primary-hsl: 228 95% 59%;
}
Gradient
.gradient-345cfa {
  background: linear-gradient(135deg, #345cfa, #6f34fa);
}
Colored shadow
.shadow-345cfa {
  box-shadow: 0 8px 24px rgb(52 92 250 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.12 #4169e1 Royal Blue ΔE 4.93 #6050dc Majorelle Blue ΔE 6.87 #0070ff Brandeis Blue ΔE 7.41 #5a4fcf Iris ΔE 7.66 #6a5acd Slate Blue ΔE 8.15 #7b68ee Medium Slate Blue ΔE 9.07 #cba305 Inverted #6d6d6d Grayscale 

Ultramarine Blue
#345cfa  rgb(52, 92, 250)  hsl(228, 95%, 59%)  Ultramarine Blue
#fad234  rgb(250, 210, 52)  hsl(48, 95%, 59%)  Jonquil
#fa345c  rgb(250, 52, 92)  hsl(348, 95%, 59%)  Neon Fuchsia
#5cfa34  rgb(92, 250, 52)  hsl(108, 95%, 59%)  Neon Green