Nerdulator> put something in

Recognised as Colour

#A657D3

  • #A657D3
  • Violet
  • Dark
  • Nearest: Medium orchid

#A657D3 is a violet with RGB values 166, 87, 211 and HSL 278°, 58%, 58%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#A657D3#A657D3
HEX#A657D3
RGBrgb(166, 87, 211)
RGB (0–1)0.651, 0.3412, 0.8275
RGB percentages65.1%, 34.1%, 82.7%
HSLhsl(278.2, 58.5%, 58.4%)
HSV / HSBhsv(278.2, 58.8%, 82.7%)
CMYK21.3%, 58.8%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,901,459
CSS custom property--colour: #A657D3;

Brightness & contrast

Relative luminance0.19627WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.93:1
Contrast with white4.26:1WCAG normal text: Fail
Contrast with black4.93:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#59A82C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C77D7no red cones; affects about 1% of men; ΔE 42.2 from the original
Deuteranopia#4D7CD0no green cones; the most common form, about 1% of men; ΔE 43 from the original
Tritanopia#A16E8Dno blue cones; rare, and affects men and women equally; ΔE 50.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.26:1WCAG large text: AA
Contrast with black, large text4.93:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 7.3Medium purple · ΔE 16.8Dark orchid · ΔE 17Medium slateblue · ΔE 18.8Slate blue · ΔE 19.4Orchid · ΔE 20.3
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 7.29, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#84D357
Analogous#6857D3, #D357C2
Triadic#D3A657, #57D3A6
Split complementary#C2D357, #57D368
Tetradic#D36857, #84D357, #57C2D3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FCF9FD
Lighter +30%#E6D0F3
Lighter +20%#D1A8E8
Lighter +10%#BB7FDE
Darker −10%#8F33C4
Darker −20%#72299B
Darker −30%#541E73
Darker −40%#37144A
More saturated +25%#AD3CEE
Less saturated −25%#9F72B8

Channel breakdown

R166
G87
B211
Red166 (65.1%)
Green87 (34.1%)
Blue211 (82.7%)
Hue278.23°
Saturation (HSL)58.49%
Lightness58.43%
Dominant channelBlue
Hex per channelR A6 · G 57 · B D3

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 “a657d3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.