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Colour

#3820DD

  • #3820DD
  • Blue
  • Dark
  • Nearest: Medium blue

#3820DD is a blue with RGB values 56, 32, 221 and HSL 248°, 75%, 50%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3820DD#3820DD
HEX#3820DD
RGBrgb(56, 32, 221)
RGB (0–1)0.2196, 0.1255, 0.8667
RGB percentages22%, 12.5%, 86.7%
HSLhsl(247.6, 74.7%, 49.6%)
HSV / HSBhsv(247.6, 85.5%, 86.7%)
CMYK74.7%, 85.5%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,678,429
CSS custom property--colour: #3820DD;

Brightness & contrast

Relative luminance0.07094WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.68:1
Contrast with white8.68:1WCAG normal text: AAA
Contrast with black2.42:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#C7DF22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0054E2no red cones; affects about 1% of men; ΔE 32.3 from the original
Deuteranopia#0042DAno green cones; the most common form, about 1% of men; ΔE 22.2 from the original
Tritanopia#006084no blue cones; rare, and affects men and women equally; ΔE 97.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.68:1WCAG large text: AAA
Contrast with black, large text2.42:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8Blue violet · ΔE 18.3Dark violet · ΔE 23.4Blue · ΔE 24Dark blue · ΔE 30.1Dark orchid · ΔE 31
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.99, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C5DD20
Analogous#2067DD, #9620DD
Triadic#DD3820, #20DD38
Split complementary#DD9620, #67DD20
Tetradic#DD2067, #C5DD20, #20DD96

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6D1F8
Lighter +30%#AEA4F2
Lighter +20%#8678EB
Lighter +10%#5F4BE5
Darker −10%#2D1AB0
Darker −20%#211384
Darker −30%#160D57
Darker −40%#0B062B
More saturated +25%#2000FD
Less saturated −25%#5040BD

Channel breakdown

R56
G32
B221
Red56 (22%)
Green32 (12.5%)
Blue221 (86.7%)
Hue247.62°
Saturation (HSL)74.7%
Lightness49.61%
Dominant channelBlue
Hex per channelR 38 · G 20 · B DD

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Every value on this page was computed from “3820dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.