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#283F8B

#283f8b ≈ Smalt

  • blue
  • Lightness: low
  • Saturation: moderate
  • Cool
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#283f8b is a color from the blue family, with low lightness and moderate saturation. In the RGB model it is made of 15.69% red, 24.71% green and 54.51% blue; printed in CMYK it uses 71.22% cyan, 54.68% magenta, 0% yellow and 45.49% black. Its hue angle is 226.06°, with 55.31% saturation and 35.1% 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 brand accents. White text on this color reaches a contrast ratio of 9.66:1 (WCAG AAA). The closest named color is Smalt (#003399), ΔE 4.73.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#333399
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0587

Complementary

  1. #283f8b
  2. #8b7428

Split complementary

  1. #283f8b
  2. #8b4328
  3. #718b28

Analogous

  1. #28718b
  2. #283f8b
  3. #43288b

Triadic

  1. #283f8b
  2. #8b283f
  3. #3f8b28

Tetradic

  1. #283f8b
  2. #74288b
  3. #8b7428
  4. #3f8b28

Square

  1. #283f8b
  2. #8b2871
  3. #8b7428
  4. #288b43

Monochromatic

  1. #060914
  2. #172450
  3. #283f8b
  4. #395ac6
  5. #758cd7

Shades

#283f8b mixed progressively with black.

  1. #283f8b
  2. #24397d
  3. #20326f
  4. #1c2c61
  5. #182653
  6. #142046
  7. #101938
  8. #0c132a
  9. #080d1c
  10. #04060e
  11. #000000

Tints

#283f8b mixed progressively with white.

  1. #283f8b
  2. #3e5297
  3. #5365a2
  4. #6979ae
  5. #7e8cb9
  6. #949fc5
  7. #a9b2d1
  8. #bfc5dc
  9. #d4d9e8
  10. #eaecf3
  11. #ffffff

Tones

#283f8b mixed progressively with gray.

  1. #283f8b
  2. #31468a
  3. #3a4c89
  4. #425388
  5. #4b5987
  6. #546086
  7. #5d6684
  8. #666d83
  9. #6e7382
  10. #777a81
  11. #808080

Readable text 9.66:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.17:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #454545 ≈ 0.003% of males
Achromatomaly #3b4268 ≈ 0.001% of males
Protanopia #09498e ≈ 1.01% of males
Deuteranopia #004089 ≈ 1.27% of males
Tritanopia #00515e ≈ 0.0001% of males
Protanomaly #1a458d ≈ 1.08% of males
Deuteranomaly #0c408a ≈ 4.63% of males
Tritanomaly #004b73 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-283f8b {
  color: #283f8b;
}
Background
.bg-283f8b {
  background-color: #283f8b;
  color: #ffffff;
}
Border
.border-283f8b {
  border: 2px solid #283f8b;
}
CSS variables
:root {
  --color-primary: #283f8b;
  --color-primary-rgb: 40 63 139;
  --color-primary-hsl: 226 55% 35%;
}
Gradient
.gradient-283f8b {
  background: linear-gradient(135deg, #283f8b, #43288b);
}
Colored shadow
.shadow-283f8b {
  box-shadow: 0 8px 24px rgb(40 63 139 / 0.35);
}

#003399 Smalt ΔE 4.73 #0047ab Cobalt Blue ΔE 5.40 #1034a6 Egyptian Blue ΔE 5.68 #483d8b Dark Slate Blue ΔE 6.35 #0f4d92 Yale Blue ΔE 6.59 #1c39bb Persian Blue ΔE 7.42 #0f52ba Sapphire ΔE 8.59 #d7c074 Inverted #454545 Grayscale 

Smalt
#283f8b  rgb(40, 63, 139)  hsl(226, 55%, 35%)  Smalt
#8b7428  rgb(139, 116, 40)  hsl(46, 55%, 35%)  Olive
#8b283f  rgb(139, 40, 63)  hsl(346, 55%, 35%)  Claret
#3f8b28  rgb(63, 139, 40)  hsl(106, 55%, 35%)  Forest Green