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Recognised as Colour

#51277F

  • #51277F
  • Violet
  • Dark
  • Nearest: Rebecca purple

#51277F is a violet with RGB values 81, 39, 127 and HSL 269°, 53%, 33%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#51277F#51277F
HEX#51277F
RGBrgb(81, 39, 127)
RGB (0–1)0.3176, 0.1529, 0.498
RGB percentages31.8%, 15.3%, 49.8%
HSLhsl(268.6, 53%, 32.5%)
HSV / HSBhsv(268.6, 69.3%, 49.8%)
CMYK36.2%, 69.3%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,318,527
CSS custom property--colour: #51277F;

Brightness & contrast

Relative luminance0.04733WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.79:1
Contrast with white10.79:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#AED880

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003D82no red cones; affects about 1% of men; ΔE 25.7 from the original
Deuteranopia#003D7Dno green cones; the most common form, about 1% of men; ΔE 27.9 from the original
Tritanopia#473B4Fno blue cones; rare, and affects men and women equally; ΔE 42.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.79:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 9.8Dark slateblue · ΔE 12.7Midnight blue · ΔE 13.8Indigo · ΔE 18.5Purple · ΔE 22.3Slate blue · ΔE 24.8
Nearest named CSS colourRebecca purple (#663399)ΔE 9.82, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#557F27
Analogous#27297F, #7D277F
Triadic#7F5127, #277F51
Split complementary#7F7D27, #297F27
Tetradic#7F2729, #557F27, #277F7D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B794DE
Lighter +30%#9D6DD2
Lighter +20%#8346C6
Lighter +10%#6A33A6
Darker −10%#381B58
Darker −20%#1F0F31
Darker −30%#06030A
Darker −40%#000000
More saturated +25%#501294
Less saturated −25%#523C6A

Channel breakdown

R81
G39
B127
Red81 (31.8%)
Green39 (15.3%)
Blue127 (49.8%)
Hue268.64°
Saturation (HSL)53.01%
Lightness32.55%
Dominant channelBlue
Hex per channelR 51 · G 27 · B 7F

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Every value on this page was computed from “51277f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.