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Recognised as Colour

#A851CF

  • #A851CF
  • Violet
  • Dark
  • Nearest: Medium orchid

#A851CF is a violet with RGB values 168, 81, 207 and HSL 281°, 57%, 56%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#A851CF#A851CF
HEX#A851CF
RGBrgb(168, 81, 207)
RGB (0–1)0.6588, 0.3176, 0.8118
RGB percentages65.9%, 31.8%, 81.2%
HSLhsl(281.4, 56.8%, 56.5%)
HSV / HSBhsv(281.4, 60.9%, 81.2%)
CMYK18.8%, 60.9%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,030,991
CSS custom property--colour: #A851CF;

Brightness & contrast

Relative luminance0.18715WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.74:1
Contrast with white4.43:1WCAG normal text: Fail
Contrast with black4.74:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#57AE30

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2573D3no red cones; affects about 1% of men; ΔE 44.5 from the original
Deuteranopia#4C7ACCno green cones; the most common form, about 1% of men; ΔE 45.9 from the original
Tritanopia#A56889no blue cones; rare, and affects men and women equally; ΔE 50.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.43:1WCAG large text: AA
Contrast with black, large text4.74:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 5.6Dark orchid · ΔE 15.1Medium purple · ΔE 19.5Orchid · ΔE 20.4Medium slateblue · ΔE 21Slate blue · ΔE 21.6
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 5.6, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#78CF51
Analogous#6951CF, #CF51B7
Triadic#CFA851, #51CFA8
Split complementary#B7CF51, #51CF69
Tetradic#CF6951, #78CF51, #51B7CF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8F1FB
Lighter +30%#E4C9F0
Lighter +20%#D0A1E5
Lighter +10%#BC79DA
Darker −10%#9033BA
Darker −20%#712892
Darker −30%#521D6A
Darker −40%#331242
More saturated +25%#B335EB
Less saturated −25%#9D6DB3

Channel breakdown

R168
G81
B207
Red168 (65.9%)
Green81 (31.8%)
Blue207 (81.2%)
Hue281.43°
Saturation (HSL)56.76%
Lightness56.47%
Dominant channelBlue
Hex per channelR A8 · G 51 · B CF

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Every value on this page was computed from “a851cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.