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Colour

#331B28

  • #331B28
  • Magenta
  • Dark
  • Nearest: Black

#331B28 is a magenta with RGB values 51, 27, 40 and HSL 328°, 31%, 15%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#331B28#331B28
HEX#331B28
RGBrgb(51, 27, 40)
RGB (0–1)0.2, 0.1059, 0.1569
RGB percentages20%, 10.6%, 15.7%
HSLhsl(327.5, 30.8%, 15.3%)
HSV / HSBhsv(327.5, 47.1%, 20%)
CMYK0%, 47.1%, 21.6%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,349,288
CSS custom property--colour: #331B28;

Brightness & contrast

Relative luminance0.01641WCAG 2.x, 0 is black and 1 is white
Perceived brightness37.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.81:1
Contrast with white15.81:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#CCE4D7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D2028no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#232427no green cones; the most common form, about 1% of men; ΔE 13.9 from the original
Tritanopia#361B20no blue cones; rare, and affects men and women equally; ΔE 6.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.81:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 19.9Dark slate grey · ΔE 31.4Dim grey · ΔE 34.2Gray · ΔE 42.7Slate grey · ΔE 43.1Dark slateblue · ΔE 43.7
Nearest named CSS colourBlack (#000000)ΔE 19.88, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B3326
Analogous#321B33, #331B1C
Triadic#28331B, #1B2833
Split complementary#1C331B, #1B3332
Tetradic#33321B, #1B3326, #1B1C33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B06A90
Lighter +30%#975076
Lighter +20%#763E5C
Lighter +10%#542D42
Darker −10%#12090E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3D1129
Less saturated −25%#292527

Channel breakdown

R51
G27
B40
Red51 (20%)
Green27 (10.6%)
Blue40 (15.7%)
Hue327.5°
Saturation (HSL)30.77%
Lightness15.29%
Dominant channelRed
Hex per channelR 33 · G 1B · B 28

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Every value on this page was computed from “331b28” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.