ColorTool
Log in
#1A28FA

#1a28fa ≈ Ultramarine

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

#1a28fa is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 10.2% red, 15.69% green and 98.04% blue; printed in CMYK it uses 89.6% cyan, 84% magenta, 0% yellow and 1.96% black. Its hue angle is 236.25°, with 95.73% saturation and 54.12% 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 7.7:1 (WCAG AAA). The closest named color is Ultramarine (#3f00ff), ΔE 3.39.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0864

Complementary

  1. #1a28fa
  2. #faec1a

Split complementary

  1. #1a28fa
  2. #fa7c1a
  3. #98fa1a

Analogous

  1. #1a98fa
  2. #1a28fa
  3. #7c1afa

Triadic

  1. #1a28fa
  2. #fa1a28
  3. #28fa1a

Tetradic

  1. #1a28fa
  2. #ec1afa
  3. #faec1a
  4. #28fa1a

Square

  1. #1a28fa
  2. #fa1a98
  3. #faec1a
  4. #1afa7c

Monochromatic

  1. #030a78
  2. #0410c3
  3. #1a28fa
  4. #656efc
  5. #b0b5fd

Shades

#1a28fa mixed progressively with black.

  1. #1a28fa
  2. #1724e1
  3. #1520c8
  4. #121caf
  5. #101896
  6. #0d147d
  7. #0a1064
  8. #080c4b
  9. #050832
  10. #030419
  11. #000000

Tints

#1a28fa mixed progressively with white.

  1. #1a28fa
  2. #313efb
  3. #4853fb
  4. #5f69fc
  5. #767efc
  6. #8d94fd
  7. #a3a9fd
  8. #babffe
  9. #d1d4fe
  10. #e8eaff
  11. #ffffff

Tones

#1a28fa mixed progressively with gray.

  1. #1a28fa
  2. #2431ee
  3. #2e3ae2
  4. #3942d5
  5. #434bc9
  6. #4d54bd
  7. #575db1
  8. #6166a5
  9. #6c6e98
  10. #76778c
  11. #808080

Readable text 7.7:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.73:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #535353 ≈ 0.003% of males
Achromatomaly #4345b0 ≈ 0.001% of males
Protanopia #005eff ≈ 1.01% of males
Deuteranopia #0047f7 ≈ 1.27% of males
Tritanopia #006f96 ≈ 0.0001% of males
Protanomaly #004efd ≈ 1.08% of males
Deuteranomaly #003df8 ≈ 4.63% of males
Tritanomaly #005bc6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1a28fa {
  color: #1a28fa;
}
Background
.bg-1a28fa {
  background-color: #1a28fa;
  color: #ffffff;
}
Border
.border-1a28fa {
  border: 2px solid #1a28fa;
}
CSS variables
:root {
  --color-primary: #1a28fa;
  --color-primary-rgb: 26 40 250;
  --color-primary-hsl: 236 96% 54%;
}
Gradient
.gradient-1a28fa {
  background: linear-gradient(135deg, #1a28fa, #7c1afa);
}
Colored shadow
.shadow-1a28fa {
  box-shadow: 0 8px 24px rgb(26 40 250 / 0.35);
}

#3f00ff Ultramarine ΔE 3.39 #0000ff Blue ΔE 3.42 #5218fa Han Purple ΔE 3.60 #6f00ff Electric Indigo ΔE 6.62 #1c39bb Persian Blue ΔE 8.12 #0000cd Medium Blue ΔE 8.38 #4f42b5 Ocean Blue ΔE 9.24 #e5d705 Inverted #535353 Grayscale 

Ultramarine
#1a28fa  rgb(26, 40, 250)  hsl(236, 96%, 54%)  Ultramarine
#faec1a  rgb(250, 236, 26)  hsl(56, 96%, 54%)  Aureolin
#fa1a28  rgb(250, 26, 40)  hsl(356, 96%, 54%)  Tractor Red
#28fa1a  rgb(40, 250, 26)  hsl(116, 96%, 54%)  Lime