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Colour

#291F3D

  • #291F3D
  • Violet
  • Dark
  • Nearest: Black

#291F3D is a violet with RGB values 41, 31, 61 and HSL 260°, 33%, 18%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#291F3D#291F3D
HEX#291F3D
RGBrgb(41, 31, 61)
RGB (0–1)0.1608, 0.1216, 0.2392
RGB percentages16.1%, 12.2%, 23.9%
HSLhsl(260, 32.6%, 18%)
HSV / HSBhsv(260, 49.2%, 23.9%)
CMYK32.8%, 49.2%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,694,973
CSS custom property--colour: #291F3D;

Brightness & contrast

Relative luminance0.01788WCAG 2.x, 0 is black and 1 is white
Perceived brightness38.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.47:1
Contrast with white15.47:1WCAG normal text: AAA
Contrast with black1.36:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#D6E0C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#16243Eno red cones; affects about 1% of men; ΔE 9.3 from the original
Deuteranopia#18243Cno green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#25242Bno blue cones; rare, and affects men and women equally; ΔE 16.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.47:1WCAG large text: AAA
Contrast with black, large text1.36:1WCAG large text: Fail

Named colours

Black · ΔE 26Dark slateblue · ΔE 32.4Dark slate grey · ΔE 32.8Dim grey · ΔE 37.1Midnight blue · ΔE 37.2Slate grey · ΔE 41.9
Nearest named CSS colourBlack (#000000)ΔE 26, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#333D1F
Analogous#1F243D, #381F3D
Triadic#3D291F, #1F3D29
Split complementary#3D381F, #243D1F
Tetradic#3D1F24, #333D1F, #1F3D38

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8871B7
Lighter +30%#6D53A2
Lighter +20%#564181
Lighter +10%#40305F
Darker −10%#120E1B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#251349
Less saturated −25%#2D2B32

Channel breakdown

R41
G31
B61
Red41 (16.1%)
Green31 (12.2%)
Blue61 (23.9%)
Hue260°
Saturation (HSL)32.61%
Lightness18.04%
Dominant channelBlue
Hex per channelR 29 · G 1F · B 3D

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Every value on this page was computed from “291f3d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.