ColorTool
Log in
#285EFD

#285efd ≈ Ultramarine Blue

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

#285efd is a color from the blue family, with medium lightness and vivid saturation. In the RGB model it is made of 15.69% red, 36.86% green and 99.22% blue; printed in CMYK it uses 84.19% cyan, 62.85% magenta, 0% yellow and 0.78% black. Its hue angle is 224.79°, with 98.16% saturation and 57.45% 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 5.11:1 (WCAG AA). The closest named color is Ultramarine Blue (#4166f5), ΔE 2.71.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3366ff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.1555

Complementary

  1. #285efd
  2. #fdc728

Split complementary

  1. #285efd
  2. #fd5c28
  3. #c8fd28

Analogous

  1. #28c8fd
  2. #285efd
  3. #5c28fd

Triadic

  1. #285efd
  2. #fd285e
  3. #5efd28

Tetradic

  1. #285efd
  2. #c728fd
  3. #fdc728
  4. #5efd28

Square

  1. #285efd
  2. #fd28c8
  3. #fdc728
  4. #28fd5c

Monochromatic

  1. #01248b
  2. #0238d7
  3. #285efd
  4. #7497fe
  5. #c0d0fe

Shades

#285efd mixed progressively with black.

  1. #285efd
  2. #2455e4
  3. #204bca
  4. #1c42b1
  5. #183898
  6. #142f7f
  7. #102665
  8. #0c1c4c
  9. #081333
  10. #040919
  11. #000000

Tints

#285efd mixed progressively with white.

  1. #285efd
  2. #3e6efd
  3. #537efd
  4. #698efe
  5. #7e9efe
  6. #94affe
  7. #a9bffe
  8. #bfcffe
  9. #d4dfff
  10. #eaefff
  11. #ffffff

Tones

#285efd mixed progressively with gray.

  1. #285efd
  2. #3161f1
  3. #3a65e4
  4. #4268d8
  5. #4b6ccb
  6. #546fbf
  7. #5d72b2
  8. #6676a6
  9. #6e7999
  10. #777d8d
  11. #808080

Readable text 5.11:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 4.11:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #6e6e6e ≈ 0.003% of males
Achromatomaly #5a68b9 ≈ 0.001% of males
Protanopia #0078ff ≈ 1.01% of males
Deuteranopia #0064fa ≈ 1.27% of males
Tritanopia #0088a5 ≈ 0.0001% of males
Protanomaly #006fff ≈ 1.08% of males
Deuteranomaly #0062fb ≈ 4.63% of males
Tritanomaly #007ace ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-285efd {
  color: #285efd;
}
Background
.bg-285efd {
  background-color: #285efd;
  color: #ffffff;
}
Border
.border-285efd {
  border: 2px solid #285efd;
}
CSS variables
:root {
  --color-primary: #285efd;
  --color-primary-rgb: 40 94 253;
  --color-primary-hsl: 225 98% 57%;
}
Gradient
.gradient-285efd {
  background: linear-gradient(135deg, #285efd, #5c28fd);
}
Colored shadow
.shadow-285efd {
  box-shadow: 0 8px 24px rgb(40 94 253 / 0.35);
}

#4166f5 Ultramarine Blue ΔE 2.71 #4169e1 Royal Blue ΔE 4.49 #0070ff Brandeis Blue ΔE 6.50 #6050dc Majorelle Blue ΔE 7.87 #5a4fcf Iris ΔE 8.58 #6a5acd Slate Blue ΔE 8.98 #1560bd Denim ΔE 9.24 #d7a102 Inverted #6e6e6e Grayscale 

Ultramarine Blue
#285efd  rgb(40, 94, 253)  hsl(225, 98%, 57%)  Ultramarine Blue
#fdc728  rgb(253, 199, 40)  hsl(45, 98%, 57%)  Sunglow
#fd285e  rgb(253, 40, 94)  hsl(345, 98%, 57%)  Neon Fuchsia
#5efd28  rgb(94, 253, 40)  hsl(105, 98%, 57%)  Harlequin