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Colour

#401B84

  • #401B84
  • Violet
  • Dark
  • Nearest: Indigo

#401B84 is a violet with RGB values 64, 27, 132 and HSL 261°, 66%, 31%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#401B84#401B84
HEX#401B84
RGBrgb(64, 27, 132)
RGB (0–1)0.251, 0.1059, 0.5176
RGB percentages25.1%, 10.6%, 51.8%
HSLhsl(261.1, 66%, 31.2%)
HSV / HSBhsv(261.1, 79.5%, 51.8%)
CMYK51.5%, 79.5%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,201,348
CSS custom property--colour: #401B84;

Brightness & contrast

Relative luminance0.0354WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.3:1
Contrast with white12.3:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#BFE47B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003687no red cones; affects about 1% of men; ΔE 23.1 from the original
Deuteranopia#003382no green cones; the most common form, about 1% of men; ΔE 23.1 from the original
Tritanopia#29394Fno blue cones; rare, and affects men and women equally; ΔE 55.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.3:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Indigo · ΔE 9.8Rebecca purple · ΔE 11.9Midnight blue · ΔE 12.3Navy · ΔE 16.6Dark blue · ΔE 20.1Dark slateblue · ΔE 20.8
Nearest named CSS colourIndigo (#4B0082)ΔE 9.84, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5F841B
Analogous#1B2B84, #741B84
Triadic#84401B, #1B8440
Split complementary#84741B, #2B841B
Tetradic#841B2B, #5F841B, #1B8474

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A785E6
Lighter +30%#895BDD
Lighter +20%#6A30D5
Lighter +10%#5524AE
Darker −10%#2B125A
Darker −20%#170A2F
Darker −30%#020105
Darker −40%#000000
More saturated +25%#3A0798
Less saturated −25%#462F70

Channel breakdown

R64
G27
B132
Red64 (25.1%)
Green27 (10.6%)
Blue132 (51.8%)
Hue261.14°
Saturation (HSL)66.04%
Lightness31.18%
Dominant channelBlue
Hex per channelR 40 · G 1B · B 84

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Every value on this page was computed from “401b84” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.