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Recognised as Colour

#51104D

  • #51104D
  • Magenta
  • Dark
  • Nearest: Dark slateblue

#51104D is a magenta with RGB values 81, 16, 77 and HSL 304°, 67%, 19%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#51104D#51104D
HEX#51104D
RGBrgb(81, 16, 77)
RGB (0–1)0.3176, 0.0627, 0.302
RGB percentages31.8%, 6.3%, 30.2%
HSLhsl(303.7, 67%, 19%)
HSV / HSBhsv(303.7, 80.2%, 31.8%)
CMYK0%, 80.2%, 4.9%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,312,589
CSS custom property--colour: #51104D;

Brightness & contrast

Relative luminance0.02656WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.72:1
Contrast with white13.72:1WCAG normal text: AAA
Contrast with black1.53:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#AEEFB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#09284Fno red cones; affects about 1% of men; ΔE 32.3 from the original
Deuteranopia#24304Bno green cones; the most common form, about 1% of men; ΔE 33.7 from the original
Tritanopia#54182Dno blue cones; rare, and affects men and women equally; ΔE 24 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.72:1WCAG large text: AAA
Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.4Purple · ΔE 28.7Midnight blue · ΔE 28.7Rebecca purple · ΔE 29.9Dark magenta · ΔE 33.8Indigo · ΔE 35.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.4, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#105114
Analogous#341051, #51102D
Triadic#4D5110, #104D51
Split complementary#2D5110, #105134
Tetradic#513410, #105114, #102D51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DD50D4
Lighter +30%#D129C6
Lighter +20%#A6219E
Lighter +10%#7C1875
Darker −10%#260825
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5D0458
Less saturated −25%#451C42

Channel breakdown

R81
G16
B77
Red81 (31.8%)
Green16 (6.3%)
Blue77 (30.2%)
Hue303.69°
Saturation (HSL)67.01%
Lightness19.02%
Dominant channelRed
Hex per channelR 51 · G 10 · B 4D

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Every value on this page was computed from “51104d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.