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#100B8A

#100b8a ≈ Phthalo Blue

  • blue
  • Lightness: low
  • Saturation: moderate
  • Cool
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#100b8a is a color from the blue family, with low lightness and moderate saturation. In the RGB model it is made of 6.27% red, 4.31% green and 54.12% blue; printed in CMYK it uses 88.41% cyan, 92.03% magenta, 0% yellow and 45.88% black. Its hue angle is 242.36°, with 85.23% saturation and 29.22% 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 luxury branding. White text on this color reaches a contrast ratio of 14.61:1 (WCAG AAA). The closest named color is Phthalo Blue (#000f89), ΔE 0.97.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#000099
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0218

Complementary

  1. #100b8a
  2. #858a0b

Split complementary

  1. #100b8a
  2. #8a500b
  3. #468a0b

Analogous

  1. #0b468a
  2. #100b8a
  3. #500b8a

Triadic

  1. #100b8a
  2. #8a100b
  3. #0b8a10

Tetradic

  1. #100b8a
  2. #8a0b85
  3. #858a0b
  4. #0b8a10

Square

  1. #100b8a
  2. #8a0b46
  3. #858a0b
  4. #0b8a50

Monochromatic

  1. #020213
  2. #080543
  3. #100b8a
  4. #1811d1
  5. #453ef0

Shades

#100b8a mixed progressively with black.

  1. #100b8a
  2. #0e0a7c
  3. #0d096e
  4. #0b0861
  5. #0a0753
  6. #080645
  7. #060437
  8. #050329
  9. #03021c
  10. #02010e
  11. #000000

Tints

#100b8a mixed progressively with white.

  1. #100b8a
  2. #282396
  3. #403ca1
  4. #5854ad
  5. #706db9
  6. #8885c5
  7. #9f9dd0
  8. #b7b6dc
  9. #cfcee8
  10. #e7e7f3
  11. #ffffff

Tones

#100b8a mixed progressively with gray.

  1. #100b8a
  2. #1b1789
  3. #262288
  4. #322e87
  5. #3d3a86
  6. #484685
  7. #535184
  8. #5e5d83
  9. #6a6982
  10. #757481
  11. #808080

Readable text 14.61:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 1.44:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #292929 ≈ 0.003% of males
Achromatomaly #21205f ≈ 0.001% of males
Protanopia #002f8d ≈ 1.01% of males
Deuteranopia #002288 ≈ 1.27% of males
Tritanopia #003850 ≈ 0.0001% of males
Protanomaly #00258c ≈ 1.08% of males
Deuteranomaly #001b89 ≈ 4.63% of males
Tritanomaly #002c6c ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-100b8a {
  color: #100b8a;
}
Background
.bg-100b8a {
  background-color: #100b8a;
  color: #ffffff;
}
Border
.border-100b8a {
  border: 2px solid #100b8a;
}
CSS variables
:root {
  --color-primary: #100b8a;
  --color-primary-rgb: 16 11 138;
  --color-primary-hsl: 242 85% 29%;
}
Gradient
.gradient-100b8a {
  background: linear-gradient(135deg, #100b8a, #500b8a);
}
Colored shadow
.shadow-100b8a {
  box-shadow: 0 8px 24px rgb(16 11 138 / 0.35);
}

#000f89 Phthalo Blue ΔE 0.97 #00008b Dark Blue ΔE 1.57 #000080 Navy ΔE 2.35 #32127a Persian Indigo ΔE 4.23 #0014a8 Zaffre ΔE 4.32 #191970 Midnight Blue ΔE 5.06 #002395 Imperial Blue ΔE 5.20 #eff475 Inverted #292929 Grayscale 

Phthalo Blue
#100b8a  rgb(16, 11, 138)  hsl(242, 85%, 29%)  Phthalo Blue
#858a0b  rgb(133, 138, 11)  hsl(62, 85%, 29%)  Olive
#8a100b  rgb(138, 16, 11)  hsl(2, 85%, 29%)  Dark Red
#0b8a10  rgb(11, 138, 16)  hsl(122, 85%, 29%)  India Green