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#304DDD

#304ddd ≈ Iris

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
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#304ddd 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 86.67% blue; printed in CMYK it uses 78.28% cyan, 65.16% magenta, 0% yellow and 13.33% black. Its hue angle is 229.94°, with 71.78% saturation and 52.75% 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 6.5:1 (WCAG AA). The closest named color is Iris (#5a4fcf), ΔE 4.81.

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 luminance0.1116

Complementary

  1. #304ddd
  2. #ddc030

Split complementary

  1. #304ddd
  2. #dd6a30
  3. #a4dd30

Analogous

  1. #30a4dd
  2. #304ddd
  3. #6a30dd

Triadic

  1. #304ddd
  2. #dd304d
  3. #4ddd30

Tetradic

  1. #304ddd
  2. #c030dd
  3. #ddc030
  4. #4ddd30

Square

  1. #304ddd
  2. #dd30a4
  3. #ddc030
  4. #30dd6a

Monochromatic

  1. #101e64
  2. #1b32a5
  3. #304ddd
  4. #7286e8
  5. #b3bef3

Shades

#304ddd mixed progressively with black.

  1. #304ddd
  2. #2b45c7
  3. #263eb1
  4. #22369b
  5. #1d2e85
  6. #18276f
  7. #131f58
  8. #0e1742
  9. #0a0f2c
  10. #050816
  11. #000000

Tints

#304ddd mixed progressively with white.

  1. #304ddd
  2. #455fe0
  3. #5971e4
  4. #6e82e7
  5. #8394eb
  6. #98a6ee
  7. #acb8f1
  8. #c1caf5
  9. #d6dbf8
  10. #eaedfc
  11. #ffffff

Tones

#304ddd mixed progressively with gray.

  1. #304ddd
  2. #3852d4
  3. #4057ca
  4. #485cc1
  5. #5061b8
  6. #5867af
  7. #606ca5
  8. #68719c
  9. #707693
  10. #787b89
  11. #808080

Readable text 6.5:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.23:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #5e5e5e ≈ 0.003% of males
Achromatomaly #4f58a1 ≈ 0.001% of males
Protanopia #0066e2 ≈ 1.01% of males
Deuteranopia #0056da ≈ 1.27% of males
Tritanopia #00748e ≈ 0.0001% of males
Protanomaly #005de0 ≈ 1.08% of males
Deuteranomaly #0052db ≈ 4.63% of males
Tritanomaly #0066b3 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-304ddd {
  color: #304ddd;
}
Background
.bg-304ddd {
  background-color: #304ddd;
  color: #ffffff;
}
Border
.border-304ddd {
  border: 2px solid #304ddd;
}
CSS variables
:root {
  --color-primary: #304ddd;
  --color-primary-rgb: 48 77 221;
  --color-primary-hsl: 230 72% 53%;
}
Gradient
.gradient-304ddd {
  background: linear-gradient(135deg, #304ddd, #6a30dd);
}
Colored shadow
.shadow-304ddd {
  box-shadow: 0 8px 24px rgb(48 77 221 / 0.35);
}

#5a4fcf Iris ΔE 4.81 #6050dc Majorelle Blue ΔE 5.54 #0f52ba Sapphire ΔE 6.63 #4f42b5 Ocean Blue ΔE 7.01 #1c39bb Persian Blue ΔE 7.35 #6a5acd Slate Blue ΔE 7.97 #0047ab Cobalt Blue ΔE 8.19 #cfb222 Inverted #5e5e5e Grayscale 

Iris
#304ddd  rgb(48, 77, 221)  hsl(230, 72%, 53%)  Iris
#ddc030  rgb(221, 192, 48)  hsl(50, 72%, 53%)  Old Gold
#dd304d  rgb(221, 48, 77)  hsl(350, 72%, 53%)  Amaranth
#4ddd30  rgb(77, 221, 48)  hsl(110, 72%, 53%)  Lime Green