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Recognised as Colour

#A374F3

  • #A374F3
  • Violet
  • Dark
  • Nearest: Medium slateblue

#A374F3 is a violet with RGB values 163, 116, 243 and HSL 262°, 84%, 70%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#A374F3#A374F3
HEX#A374F3
RGBrgb(163, 116, 243)
RGB (0–1)0.6392, 0.4549, 0.9529
RGB percentages63.9%, 45.5%, 95.3%
HSLhsl(262.2, 84.1%, 70.4%)
HSV / HSBhsv(262.2, 52.3%, 95.3%)
CMYK32.9%, 52.3%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,712,307
CSS custom property--colour: #A374F3;

Brightness & contrast

Relative luminance0.26748WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.35:1
Contrast with white3.31:1WCAG normal text: Fail
Contrast with black6.35:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#5C8B0C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#438DF7no red cones; affects about 1% of men; ΔE 32.6 from the original
Deuteranopia#508CF0no green cones; the most common form, about 1% of men; ΔE 32.5 from the original
Tritanopia#928DA9no blue cones; rare, and affects men and women equally; ΔE 57 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.31:1WCAG large text: AA
Contrast with black, large text6.35:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 11Medium purple · ΔE 11.4Slate blue · ΔE 15.9Medium orchid · ΔE 18.3Royal blue · ΔE 22.8Orchid · ΔE 25.7
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 10.95, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4F374
Analogous#7485F3, #E274F3
Triadic#F3A374, #74F3A3
Split complementary#F3E374, #84F374
Tetradic#F37485, #C4F374, #74F3E2

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E1D2FB
Lighter +10%#C2A3F7
Darker −10%#8445EF
Darker −20%#6516EB
Darker −30%#5010BE
Darker −40%#3D0C8F
More saturated +25%#A068FF
Less saturated −25%#A887E0

Channel breakdown

R163
G116
B243
Red163 (63.9%)
Green116 (45.5%)
Blue243 (95.3%)
Hue262.2°
Saturation (HSL)84.11%
Lightness70.39%
Dominant channelBlue
Hex per channelR A3 · G 74 · B F3

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Every value on this page was computed from “a374f3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.