ColorTool
Log in
#6591EF

#6591ef ≈ Cornflower Blue

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

#6591ef is a color from the blue family, with high lightness and strong saturation. In the RGB model it is made of 39.61% red, 56.86% green and 93.73% blue; printed in CMYK it uses 57.74% cyan, 39.33% magenta, 0% yellow and 6.27% black. Its hue angle is 220.87°, with 81.18% saturation and 66.67% 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 6.85:1 (WCAG AA). The closest named color is Cornflower Blue (#6495ed), ΔE 1.51.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#6699ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.2925

Complementary

  1. #6591ef
  2. #efc365

Split complementary

  1. #6591ef
  2. #ef7e65
  3. #d6ef65

Analogous

  1. #65d6ef
  2. #6591ef
  3. #7e65ef

Triadic

  1. #6591ef
  2. #ef6591
  3. #91ef65

Tetradic

  1. #6591ef
  2. #c365ef
  3. #efc365
  4. #91ef65

Square

  1. #6591ef
  2. #ef65d6
  3. #efc365
  4. #65ef7e

Monochromatic

  1. #1242a9
  2. #2060e8
  3. #6591ef
  4. #aac3f6
  5. #edf2fd

Shades

#6591ef mixed progressively with black.

  1. #6591ef
  2. #5b83d7
  3. #5174bf
  4. #4766a7
  5. #3d578f
  6. #334978
  7. #283a60
  8. #1e2c48
  9. #141d30
  10. #0a0f18
  11. #000000

Tints

#6591ef mixed progressively with white.

  1. #6591ef
  2. #749cf1
  3. #84a7f2
  4. #93b2f4
  5. #a3bdf5
  6. #b2c8f7
  7. #c1d3f9
  8. #d1defa
  9. #e0e9fc
  10. #f0f4fd
  11. #ffffff

Tones

#6591ef mixed progressively with gray.

  1. #6591ef
  2. #688fe4
  3. #6a8ed9
  4. #6d8cce
  5. #708ac3
  6. #7389b8
  7. #7587ac
  8. #7885a1
  9. #7b8396
  10. #7d828b
  11. #808080

Readable text 3.07:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕
Readable text 6.85:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓

Achromatopsia #939393 ≈ 0.003% of males
Achromatomaly #8392bf ≈ 0.001% of males
Protanopia #699af3 ≈ 1.01% of males
Deuteranopia #578ded ≈ 1.27% of males
Tritanopia #00a6b4 ≈ 0.0001% of males
Protanomaly #6796f1 ≈ 1.08% of males
Deuteranomaly #5d8fee ≈ 4.63% of males
Tritanomaly #3c9ece ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-6591ef {
  color: #6591ef;
}
Background
.bg-6591ef {
  background-color: #6591ef;
  color: #000000;
}
Border
.border-6591ef {
  border: 2px solid #6591ef;
}
CSS variables
:root {
  --color-primary: #6591ef;
  --color-primary-rgb: 101 145 239;
  --color-primary-hsl: 221 81% 67%;
}
Gradient
.gradient-6591ef {
  background: linear-gradient(135deg, #6591ef, #7e65ef);
}
Colored shadow
.shadow-6591ef {
  box-shadow: 0 8px 24px rgb(101 145 239 / 0.35);
}

#6495ed Cornflower Blue ΔE 1.51 #5b92e5 United Nations Blue ΔE 2.50 #1e90ff Dodger Blue ΔE 6.28 #318ce7 Bleu de France ΔE 6.65 #6082b6 Glaucous ΔE 7.85 #71a6d2 Iceberg ΔE 7.91 #56a0d3 Carolina Blue ΔE 9.15 #9a6e10 Inverted #939393 Grayscale 

Cornflower Blue
#6591ef  rgb(101, 145, 239)  hsl(221, 81%, 67%)  Cornflower Blue
#efc365  rgb(239, 195, 101)  hsl(41, 81%, 67%)  Meat Brown
#ef6591  rgb(239, 101, 145)  hsl(341, 81%, 67%)  Pale Violet Red
#91ef65  rgb(145, 239, 101)  hsl(101, 81%, 67%)  Inchworm