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Recognised as Colour

#310B2B

  • #310B2B
  • Magenta
  • Dark
  • Nearest: Black

#310B2B is a magenta with RGB values 49, 11, 43 and HSL 309°, 63%, 12%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#310B2B#310B2B
HEX#310B2B
RGBrgb(49, 11, 43)
RGB (0–1)0.1922, 0.0431, 0.1686
RGB percentages19.2%, 4.3%, 16.9%
HSLhsl(309.5, 63.3%, 11.8%)
HSV / HSBhsv(309.5, 77.6%, 19.2%)
CMYK0%, 77.6%, 12.2%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,214,123
CSS custom property--colour: #310B2B;

Brightness & contrast

Relative luminance0.01067WCAG 2.x, 0 is black and 1 is white
Perceived brightness31.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.31:1
Contrast with white17.31:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#CEF4D4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B172Cno red cones; affects about 1% of men; ΔE 21.1 from the original
Deuteranopia#171D2Ano green cones; the most common form, about 1% of men; ΔE 22.5 from the original
Tritanopia#340E19no blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.31:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Black · ΔE 28.3Dark slateblue · ΔE 36.9Midnight blue · ΔE 38.9Dark slate grey · ΔE 42.4Dim grey · ΔE 43.9Rebecca purple · ΔE 46.3
Nearest named CSS colourBlack (#000000)ΔE 28.27, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0B3111
Analogous#240B31, #310B18
Triadic#2B310B, #0B2B31
Split complementary#18310B, #0B3124
Tetradic#31240B, #0B3111, #0B1831

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D236B9
Lighter +30%#AE2799
Lighter +20%#841E74
Lighter +10%#5B1450
Darker −10%#070206
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#380430
Less saturated −25%#291226

Channel breakdown

R49
G11
B43
Red49 (19.2%)
Green11 (4.3%)
Blue43 (16.9%)
Hue309.47°
Saturation (HSL)63.33%
Lightness11.76%
Dominant channelRed
Hex per channelR 31 · G 0B · B 2B

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Every value on this page was computed from “310b2b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.