ColorTool
Log in
#304DD2

#304dd2 ≈ Iris

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

#304dd2 is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 18.82% red, 30.2% green and 82.35% blue; printed in CMYK it uses 77.14% cyan, 63.33% magenta, 0% yellow and 17.65% black. Its hue angle is 229.26°, with 64.29% saturation and 50.59% 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 brand accents. White text on this color reaches a contrast ratio of 6.74:1 (WCAG AA). The closest named color is Iris (#5a4fcf), ΔE 5.07.

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 luminance0.1059

Complementary

  1. #304dd2
  2. #d2b530

Split complementary

  1. #304dd2
  2. #d26430
  3. #9ed230

Analogous

  1. #309ed2
  2. #304dd2
  3. #6430d2

Triadic

  1. #304dd2
  2. #d2304d
  3. #4dd230

Tetradic

  1. #304dd2
  2. #b530d2
  3. #d2b530
  4. #4dd230

Square

  1. #304dd2
  2. #d2309e
  3. #d2b530
  4. #30d264

Monochromatic

  1. #131f56
  2. #203595
  3. #304dd2
  4. #6f83e0
  5. #aeb9ed

Shades

#304dd2 mixed progressively with black.

  1. #304dd2
  2. #2b45bd
  3. #263ea8
  4. #223693
  5. #1d2e7e
  6. #182769
  7. #131f54
  8. #0e173f
  9. #0a0f2a
  10. #050815
  11. #000000

Tints

#304dd2 mixed progressively with white.

  1. #304dd2
  2. #455fd7
  3. #5971db
  4. #6e82e0
  5. #8394e4
  6. #98a6e9
  7. #acb8ed
  8. #c1caf2
  9. #d6dbf6
  10. #eaedfb
  11. #ffffff

Tones

#304dd2 mixed progressively with gray.

  1. #304dd2
  2. #3852ca
  3. #4057c2
  4. #485cb9
  5. #5061b1
  6. #5867a9
  7. #606ca1
  8. #687199
  9. #707690
  10. #787b88
  11. #808080

Readable text 6.74:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.12:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #5c5c5c ≈ 0.003% of males
Achromatomaly #4e569a ≈ 0.001% of males
Protanopia #0063d6 ≈ 1.01% of males
Deuteranopia #0054cf ≈ 1.27% of males
Tritanopia #007088 ≈ 0.0001% of males
Protanomaly #005bd5 ≈ 1.08% of males
Deuteranomaly #0051d0 ≈ 4.63% of males
Tritanomaly #0064ab ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-304dd2 {
  color: #304dd2;
}
Background
.bg-304dd2 {
  background-color: #304dd2;
  color: #ffffff;
}
Border
.border-304dd2 {
  border: 2px solid #304dd2;
}
CSS variables
:root {
  --color-primary: #304dd2;
  --color-primary-rgb: 48 77 210;
  --color-primary-hsl: 229 64% 51%;
}
Gradient
.gradient-304dd2 {
  background: linear-gradient(135deg, #304dd2, #6430d2);
}
Colored shadow
.shadow-304dd2 {
  box-shadow: 0 8px 24px rgb(48 77 210 / 0.35);
}

#5a4fcf Iris ΔE 5.07 #0f52ba Sapphire ΔE 5.50 #6050dc Majorelle Blue ΔE 6.24 #4f42b5 Ocean Blue ΔE 6.37 #1c39bb Persian Blue ΔE 6.52 #0047ab Cobalt Blue ΔE 6.87 #6a5acd Slate Blue ΔE 8.24 #cfb22d Inverted #5c5c5c Grayscale 

Iris
#304dd2  rgb(48, 77, 210)  hsl(229, 64%, 51%)  Iris
#d2b530  rgb(210, 181, 48)  hsl(49, 64%, 51%)  Old Gold
#d2304d  rgb(210, 48, 77)  hsl(349, 64%, 51%)  Brick Red
#4dd230  rgb(77, 210, 48)  hsl(109, 64%, 51%)  Lime Green