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Colour

#3A3A82

  • #3A3A82
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3A3A82 is a blue with RGB values 58, 58, 130 and HSL 240°, 38%, 37%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3A3A82#3A3A82
HEX#3A3A82
RGBrgb(58, 58, 130)
RGB (0–1)0.2275, 0.2275, 0.5098
RGB percentages22.7%, 22.7%, 51%
HSLhsl(240, 38.3%, 36.9%)
HSV / HSBhsv(240, 55.4%, 51%)
CMYK55.4%, 55.4%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,816,066
CSS custom property--colour: #3A3A82;

Brightness & contrast

Relative luminance0.05537WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.96:1
Contrast with white9.96:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#C5C57D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#104584no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#044080no green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#194A58no blue cones; rare, and affects men and women equally; ΔE 43.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.96:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 5.1Midnight blue · ΔE 18.1Rebecca purple · ΔE 22.5Slate blue · ΔE 28Royal blue · ΔE 31.7Medium purple · ΔE 32
Nearest named CSS colourDark slateblue (#483D8B)ΔE 5.14, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#82823A
Analogous#3A5E82, #5E3A82
Triadic#823A3A, #3A823A
Split complementary#825E3A, #5E823A
Tetradic#823A5E, #82823A, #3A825E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADADDB
Lighter +30%#8A8ACB
Lighter +20%#6767BB
Lighter +10%#4A4AA5
Darker −10%#2A2A5F
Darker −20%#1B1B3B
Darker −30%#0B0B18
Darker −40%#000000
More saturated +25%#23239A
Less saturated −25%#52526A

Channel breakdown

R58
G58
B130
Red58 (22.7%)
Green58 (22.7%)
Blue130 (51%)
Hue240°
Saturation (HSL)38.3%
Lightness36.86%
Dominant channelBlue
Hex per channelR 3A · G 3A · B 82

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Every value on this page was computed from “3a3a82” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.