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Recognised as Colour

#51224B

  • #51224B
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#51224B is a magenta with RGB values 81, 34, 75 and HSL 308°, 41%, 23%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#51224B#51224B
HEX#51224B
RGBrgb(81, 34, 75)
RGB (0–1)0.3176, 0.1333, 0.2941
RGB percentages31.8%, 13.3%, 29.4%
HSLhsl(307.7, 40.9%, 22.5%)
HSV / HSBhsv(307.7, 58%, 31.8%)
CMYK0%, 58%, 7.4%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,317,195
CSS custom property--colour: #51224B;

Brightness & contrast

Relative luminance0.03401WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.5:1
Contrast with white12.5:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#AEDDB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#212F4Cno red cones; affects about 1% of men; ΔE 24.8 from the original
Deuteranopia#2F364Ano green cones; the most common form, about 1% of men; ΔE 25.6 from the original
Tritanopia#542533no blue cones; rare, and affects men and women equally; ΔE 17.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.5:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 28.3Midnight blue · ΔE 34.8Rebecca purple · ΔE 36.7Purple · ΔE 38.1Black · ΔE 38.8Dim grey · ΔE 39.5
Nearest named CSS colourDark slateblue (#483D8B)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#225128
Analogous#3F2251, #512233
Triadic#4B5122, #224B51
Split complementary#335122, #22513F
Tetradic#513F22, #225128, #223351

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C778BD
Lighter +30%#B755AB
Lighter +20%#99408E
Lighter +10%#75316C
Darker −10%#2D132A
Darker −20%#090408
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5F1456
Less saturated −25%#433040

Channel breakdown

R81
G34
B75
Red81 (31.8%)
Green34 (13.3%)
Blue75 (29.4%)
Hue307.66°
Saturation (HSL)40.87%
Lightness22.55%
Dominant channelRed
Hex per channelR 51 · G 22 · B 4B

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Every value on this page was computed from “51224b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.