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Recognised as Colour

#401F4F

  • #401F4F
  • Violet
  • Dark
  • Nearest: Dark slateblue

#401F4F is a violet with RGB values 64, 31, 79 and HSL 281°, 44%, 22%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#401F4F#401F4F
HEX#401F4F
RGBrgb(64, 31, 79)
RGB (0–1)0.251, 0.1216, 0.3098
RGB percentages25.1%, 12.2%, 31%
HSLhsl(281.3, 43.6%, 21.6%)
HSV / HSBhsv(281.3, 60.8%, 31%)
CMYK19%, 60.8%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,202,319
CSS custom property--colour: #401F4F;

Brightness & contrast

Relative luminance0.02634WCAG 2.x, 0 is black and 1 is white
Perceived brightness50 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.75:1
Contrast with white13.75:1WCAG normal text: AAA
Contrast with black1.53:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#BFE0B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#122B51no red cones; affects about 1% of men; ΔE 20.2 from the original
Deuteranopia#1E2E4Eno green cones; the most common form, about 1% of men; ΔE 20.9 from the original
Tritanopia#3F2733no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.75:1WCAG large text: AAA
Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.6Midnight blue · ΔE 27.3Rebecca purple · ΔE 33Purple · ΔE 37.8Black · ΔE 39Indigo · ΔE 40.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.58, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2E4F1F
Analogous#281F4F, #4F1F46
Triadic#4F401F, #1F4F40
Split complementary#464F1F, #1F4F28
Tetradic#4F281F, #2E4F1F, #1F464F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AD72C8
Lighter +30%#984EB9
Lighter +20%#7B3C98
Lighter +10%#5E2D74
Darker −10%#22112A
Darker −20%#050206
Darker −30%#000000
Darker −40%#000000
More saturated +25%#45115D
Less saturated −25%#3B2D41

Channel breakdown

R64
G31
B79
Red64 (25.1%)
Green31 (12.2%)
Blue79 (31%)
Hue281.25°
Saturation (HSL)43.64%
Lightness21.57%
Dominant channelBlue
Hex per channelR 40 · G 1F · B 4F

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Every value on this page was computed from “401f4f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.