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Recognised as Colour

#9B51CB

  • #9B51CB
  • Violet
  • Dark
  • Nearest: Medium orchid

#9B51CB is a violet with RGB values 155, 81, 203 and HSL 276°, 54%, 56%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#9B51CB#9B51CB
HEX#9B51CB
RGBrgb(155, 81, 203)
RGB (0–1)0.6078, 0.3176, 0.7961
RGB percentages60.8%, 31.8%, 79.6%
HSLhsl(276.4, 54%, 55.7%)
HSV / HSBhsv(276.4, 60.1%, 79.6%)
CMYK23.6%, 60.1%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,179,019
CSS custom property--colour: #9B51CB;

Brightness & contrast

Relative luminance0.17165WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.74:1
Contrast with white4.74:1WCAG normal text: AA
Contrast with black4.43:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#64AE34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2070CFno red cones; affects about 1% of men; ΔE 40.4 from the original
Deuteranopia#4274C8no green cones; the most common form, about 1% of men; ΔE 41.3 from the original
Tritanopia#956886no blue cones; rare, and affects men and women equally; ΔE 50.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.74:1WCAG large text: AAA
Contrast with black, large text4.43:1WCAG large text: AA

Named colours

Medium orchid · ΔE 9.8Medium purple · ΔE 16.4Dark orchid · ΔE 16.8Slate blue · ΔE 17.3Medium slateblue · ΔE 18.1Rebecca purple · ΔE 18.4
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 9.76, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#81CB51
Analogous#5E51CB, #CB51BE
Triadic#CB9B51, #51CB9B
Split complementary#BECB51, #51CB5E
Tetradic#CB5E51, #81CB51, #51BECB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5EEFA
Lighter +30%#DFC7EE
Lighter +20%#C8A0E2
Lighter +10%#B278D7
Darker −10%#8236B3
Darker −20%#652A8C
Darker −30%#491E65
Darker −40%#2D123E
More saturated +25%#A135E7
Less saturated −25%#956DAF

Channel breakdown

R155
G81
B203
Red155 (60.8%)
Green81 (31.8%)
Blue203 (79.6%)
Hue276.39°
Saturation (HSL)53.98%
Lightness55.69%
Dominant channelBlue
Hex per channelR 9B · G 51 · B CB

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Every value on this page was computed from “9b51cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.