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#556EF7

#556ef7 ≈ Ultramarine Blue

  • blue
  • Lightness: high
  • Saturation: strong
  • Cool
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#556ef7 is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 33.33% red, 43.14% green and 96.86% blue; printed in CMYK it uses 65.59% cyan, 55.47% magenta, 0% yellow and 3.14% black. Its hue angle is 230.74°, with 91.01% saturation and 65.1% 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. Black text on this color reaches a contrast ratio of 4.96:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 3.23.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6666ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.198

Complementary

  1. #556ef7
  2. #f7de55

Split complementary

  1. #556ef7
  2. #f78d55
  3. #bff755

Analogous

  1. #55bff7
  2. #556ef7
  3. #8d55f7

Triadic

  1. #556ef7
  2. #f7556e
  3. #6ef755

Tetradic

  1. #556ef7
  2. #de55f7
  3. #f7de55
  4. #6ef755

Square

  1. #556ef7
  2. #f755bf
  3. #f7de55
  4. #55f78d

Monochromatic

  1. #0821ab
  2. #0c30f4
  3. #556ef7
  4. #9eacfa
  5. #e7ebfe

Shades

#556ef7 mixed progressively with black.

  1. #556ef7
  2. #4d63de
  3. #4458c6
  4. #3c4dad
  5. #334294
  6. #2b377c
  7. #222c63
  8. #1a214a
  9. #111631
  10. #090b19
  11. #000000

Tints

#556ef7 mixed progressively with white.

  1. #556ef7
  2. #667df8
  3. #778bf9
  4. #889af9
  5. #99a8fa
  6. #aab7fb
  7. #bbc5fc
  8. #ccd4fd
  9. #dde2fd
  10. #eef1fe
  11. #ffffff

Tones

#556ef7 mixed progressively with gray.

  1. #556ef7
  2. #5970eb
  3. #5e72df
  4. #6273d3
  5. #6675c7
  6. #6b77bc
  7. #6f79b0
  8. #737ba4
  9. #777c98
  10. #7c7e8c
  11. #808080

Readable text 4.23:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 4.96:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #7b7b7b ≈ 0.003% of males
Achromatomaly #6e76ba ≈ 0.001% of males
Protanopia #0083fc ≈ 1.01% of males
Deuteranopia #0074f4 ≈ 1.27% of males
Tritanopia #008fa8 ≈ 0.0001% of males
Protanomaly #2f7bfa ≈ 1.08% of males
Deuteranomaly #1972f5 ≈ 4.63% of males
Tritanomaly #0083cc ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-556ef7 {
  color: #556ef7;
}
Background
.bg-556ef7 {
  background-color: #556ef7;
  color: #000000;
}
Border
.border-556ef7 {
  border: 2px solid #556ef7;
}
CSS variables
:root {
  --color-primary: #556ef7;
  --color-primary-rgb: 85 110 247;
  --color-primary-hsl: 231 91% 65%;
}
Gradient
.gradient-556ef7 {
  background: linear-gradient(135deg, #556ef7, #8d55f7);
}
Colored shadow
.shadow-556ef7 {
  box-shadow: 0 8px 24px rgb(85 110 247 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 3.23 #4169e1 Royal Blue ΔE 4.52 #0070ff Brandeis Blue ΔE 5.42 #7b68ee Medium Slate Blue ΔE 6.47 #6082b6 Glaucous ΔE 9.31 #6a5acd Slate Blue ΔE 9.58 #417dc1 Tufts Blue ΔE 10.10 #aa9108 Inverted #7b7b7b Grayscale 

Ultramarine Blue
#556ef7  rgb(85, 110, 247)  hsl(231, 91%, 65%)  Ultramarine Blue
#f7de55  rgb(247, 222, 85)  hsl(51, 91%, 65%)  Naples Yellow
#f7556e  rgb(247, 85, 110)  hsl(351, 91%, 65%)  Neon Fuchsia
#6ef755  rgb(110, 247, 85)  hsl(111, 91%, 65%)  Neon Green