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Recognised as Colour

#402C74

  • #402C74
  • Violet
  • Dark
  • Nearest: Dark slateblue

#402C74 is a violet with RGB values 64, 44, 116 and HSL 257°, 45%, 31%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#402C74#402C74
HEX#402C74
RGBrgb(64, 44, 116)
RGB (0–1)0.251, 0.1725, 0.4549
RGB percentages25.1%, 17.3%, 45.5%
HSLhsl(256.7, 45%, 31.4%)
HSV / HSBhsv(256.7, 62.1%, 45.5%)
CMYK44.8%, 62.1%, 0%, 54.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,205,684
CSS custom property--colour: #402C74;

Brightness & contrast

Relative luminance0.04152WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.47:1
Contrast with white11.47:1WCAG normal text: AAA
Contrast with black1.83:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#BFD38B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003A76no red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#023872no green cones; the most common form, about 1% of men; ΔE 19 from the original
Tritanopia#313C4Bno blue cones; rare, and affects men and women equally; ΔE 39.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.47:1WCAG large text: AAA
Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 7.8Midnight blue · ΔE 14.4Rebecca purple · ΔE 19.5Indigo · ΔE 28.4Slate blue · ΔE 29.8Purple · ΔE 31.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 7.79, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#60742C
Analogous#2C3C74, #642C74
Triadic#74402C, #2C7440
Split complementary#74642C, #3C742C
Tetradic#742C3C, #60742C, #2C7464

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A795D7
Lighter +30%#8970C9
Lighter +20%#6A4BBB
Lighter +10%#543A99
Darker −10%#2C1E4F
Darker −20%#17102A
Darker −30%#030205
Darker −40%#000000
More saturated +25%#371888
Less saturated −25%#494060

Channel breakdown

R64
G44
B116
Red64 (25.1%)
Green44 (17.3%)
Blue116 (45.5%)
Hue256.67°
Saturation (HSL)45%
Lightness31.37%
Dominant channelBlue
Hex per channelR 40 · G 2C · B 74

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Every value on this page was computed from “402c74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.