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Recognised as Colour

#3B3880

  • #3B3880
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3B3880 is a blue with RGB values 59, 56, 128 and HSL 243°, 39%, 36%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3B3880#3B3880
HEX#3B3880
RGBrgb(59, 56, 128)
RGB (0–1)0.2314, 0.2196, 0.502
RGB percentages23.1%, 22%, 50.2%
HSLhsl(242.5, 39.1%, 36.1%)
HSV / HSBhsv(242.5, 56.3%, 50.2%)
CMYK53.9%, 56.3%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,881,088
CSS custom property--colour: #3B3880;

Brightness & contrast

Relative luminance0.05317WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.18:1
Contrast with white10.18:1WCAG normal text: AAA
Contrast with black2.06:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#C4C77F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D4482no red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#033F7Eno green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#1E4856no blue cones; rare, and affects men and women equally; ΔE 42.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.18:1WCAG large text: AAA
Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 4.9Midnight blue · ΔE 17.4Rebecca purple · ΔE 21.9Slate blue · ΔE 28.1Royal blue · ΔE 32.2Medium purple · ΔE 32.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 4.91, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D8038
Analogous#385980, #5F3880
Triadic#803B38, #38803B
Split complementary#805F38, #598038
Tetradic#803859, #7D8038, #38805F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACAADA
Lighter +30%#8987CA
Lighter +20%#6763BB
Lighter +10%#4B48A3
Darker −10%#2B285D
Darker −20%#1A1939
Darker −30%#0A0916
Darker −40%#000000
More saturated +25%#262197
Less saturated −25%#504F69

Channel breakdown

R59
G56
B128
Red59 (23.1%)
Green56 (22%)
Blue128 (50.2%)
Hue242.5°
Saturation (HSL)39.13%
Lightness36.08%
Dominant channelBlue
Hex per channelR 3B · G 38 · B 80

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Every value on this page was computed from “3b3880” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.