Nerdulator> put something in

Recognised as Colour

#A638CC

  • #A638CC
  • Violet
  • Dark
  • Nearest: Dark orchid

#A638CC is a violet with RGB values 166, 56, 204 and HSL 285°, 59%, 51%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#A638CC#A638CC
HEX#A638CC
RGBrgb(166, 56, 204)
RGB (0–1)0.651, 0.2196, 0.8
RGB percentages65.1%, 22%, 80%
HSLhsl(284.6, 59.2%, 51%)
HSV / HSBhsv(284.6, 72.5%, 80%)
CMYK18.6%, 72.5%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,893,516
CSS custom property--colour: #A638CC;

Brightness & contrast

Relative luminance0.15295WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.17:1
Contrast with white5.17:1WCAG normal text: AA
Contrast with black4.06:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#59C733

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0067D0no red cones; affects about 1% of men; ΔE 49.5 from the original
Deuteranopia#3670C9no green cones; the most common form, about 1% of men; ΔE 54 from the original
Tritanopia#A3577Fno blue cones; rare, and affects men and women equally; ΔE 55.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.17:1WCAG large text: AAA
Contrast with black, large text4.06:1WCAG large text: AA

Named colours

Dark orchid · ΔE 5.1Medium orchid · ΔE 12.9Dark violet · ΔE 19.4Blue violet · ΔE 19.9Dark magenta · ΔE 21.8Purple · ΔE 26
Nearest named CSS colourDark orchid (#9932CC)ΔE 5.13, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5ECC38
Analogous#5C38CC, #CC38A8
Triadic#CCA638, #38CCA6
Split complementary#A8CC38, #38CC5C
Tetradic#CC5C38, #5ECC38, #38A8CC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFDAF6
Lighter +30%#DCB2EB
Lighter +20%#CA89E1
Lighter +10%#B861D6
Darker −10%#872BA6
Darker −20%#66207E
Darker −30%#451655
Darker −40%#240B2D
More saturated +25%#B519EB
Less saturated −25%#9757AD

Channel breakdown

R166
G56
B204
Red166 (65.1%)
Green56 (22%)
Blue204 (80%)
Hue284.59°
Saturation (HSL)59.2%
Lightness50.98%
Dominant channelBlue
Hex per channelR A6 · G 38 · B CC

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “a638cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.