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Colour

#3A2C71

  • #3A2C71
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3A2C71 is a blue with RGB values 58, 44, 113 and HSL 252°, 44%, 31%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3A2C71#3A2C71
HEX#3A2C71
RGBrgb(58, 44, 113)
RGB (0–1)0.2275, 0.1725, 0.4431
RGB percentages22.7%, 17.3%, 44.3%
HSLhsl(252.2, 43.9%, 30.8%)
HSV / HSBhsv(252.2, 61.1%, 44.3%)
CMYK48.7%, 61.1%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,812,465
CSS custom property--colour: #3A2C71;

Brightness & contrast

Relative luminance0.03893WCAG 2.x, 0 is black and 1 is white
Perceived brightness60 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.81:1
Contrast with white11.81:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#C5D38E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003973no red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#003670no green cones; the most common form, about 1% of men; ΔE 16.2 from the original
Tritanopia#283C4Ano blue cones; rare, and affects men and women equally; ΔE 39.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.81:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 8.6Midnight blue · ΔE 15.2Rebecca purple · ΔE 22Indigo · ΔE 30.6Slate blue · ΔE 31.5Purple · ΔE 34.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 8.61, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#63712C
Analogous#2C4171, #5D2C71
Triadic#713A2C, #2C713A
Split complementary#715C2C, #41712C
Tetradic#712C41, #63712C, #2C715D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A194D5
Lighter +30%#816FC7
Lighter +20%#614AB9
Lighter +10%#4D3A96
Darker −10%#271E4C
Darker −20%#140F28
Darker −30%#010103
Darker −40%#000000
More saturated +25%#2E1885
Less saturated −25%#46405D

Channel breakdown

R58
G44
B113
Red58 (22.7%)
Green44 (17.3%)
Blue113 (44.3%)
Hue252.17°
Saturation (HSL)43.95%
Lightness30.78%
Dominant channelBlue
Hex per channelR 3A · G 2C · B 71

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Every value on this page was computed from “3a2c71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.