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Recognised as Colour

#51255E

  • #51255E
  • Violet
  • Dark
  • Nearest: Dark slateblue

#51255E is a violet with RGB values 81, 37, 94 and HSL 286°, 44%, 26%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#51255E#51255E
HEX#51255E
RGBrgb(81, 37, 94)
RGB (0–1)0.3176, 0.1451, 0.3686
RGB percentages31.8%, 14.5%, 36.9%
HSLhsl(286.3, 43.5%, 25.7%)
HSV / HSBhsv(286.3, 60.6%, 36.9%)
CMYK13.8%, 60.6%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,317,982
CSS custom property--colour: #51255E;

Brightness & contrast

Relative luminance0.03881WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.82:1
Contrast with white11.82:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#AEDAA1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#183560no red cones; affects about 1% of men; ΔE 25.3 from the original
Deuteranopia#27395Dno green cones; the most common form, about 1% of men; ΔE 26 from the original
Tritanopia#512E3Dno blue cones; rare, and affects men and women equally; ΔE 26 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.82:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.8Midnight blue · ΔE 25.2Rebecca purple · ΔE 26.7Purple · ΔE 31.1Indigo · ΔE 35Dark magenta · ΔE 35.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.8, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#325E25
Analogous#34255E, #5E254F
Triadic#5E5125, #255E51
Split complementary#4F5E25, #255E35
Tetradic#5E3525, #325E25, #254F5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BC81CE
Lighter +30%#A95DBF
Lighter +20%#9042A7
Lighter +10%#713383
Darker −10%#311739
Darker −20%#120815
Darker −30%#000000
Darker −40%#000000
More saturated +25%#5A156E
Less saturated −25%#48354E

Channel breakdown

R81
G37
B94
Red81 (31.8%)
Green37 (14.5%)
Blue94 (36.9%)
Hue286.32°
Saturation (HSL)43.51%
Lightness25.69%
Dominant channelBlue
Hex per channelR 51 · G 25 · B 5E

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Every value on this page was computed from “51255e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.