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Recognised as Colour

#A37BFB

  • #A37BFB
  • Violet
  • Dark
  • Nearest: Medium slateblue

#A37BFB is a violet with RGB values 163, 123, 251 and HSL 259°, 94%, 73%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#A37BFB#A37BFB
HEX#A37BFB
RGBrgb(163, 123, 251)
RGB (0–1)0.6392, 0.4824, 0.9843
RGB percentages63.9%, 48.2%, 98.4%
HSLhsl(258.8, 94.1%, 73.3%)
HSV / HSBhsv(258.8, 51%, 98.4%)
CMYK35.1%, 51%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,714,107
CSS custom property--colour: #A37BFB;

Brightness & contrast

Relative luminance0.28917WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.78:1
Contrast with white3.1:1WCAG normal text: Fail
Contrast with black6.78:1WCAG normal text: AA
Greyscale equivalent#8D8D8D
Inverted#5C8404

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4993FFno red cones; affects about 1% of men; ΔE 30.7 from the original
Deuteranopia#5291F8no green cones; the most common form, about 1% of men; ΔE 30.6 from the original
Tritanopia#8E94B0no blue cones; rare, and affects men and women equally; ΔE 58.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.1:1WCAG large text: AA
Contrast with black, large text6.78:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 11Medium purple · ΔE 11.9Slate blue · ΔE 16.8Medium orchid · ΔE 21Royal blue · ΔE 22Violet · ΔE 27.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 11.01, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D3FB7B
Analogous#7B93FB, #E37BFB
Triadic#FBA37B, #7BFBA3
Split complementary#FBE37B, #93FB7B
Tetradic#FB7B93, #D3FB7B, #7BFBE3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E8DEFE
Lighter +10%#C5ACFD
Darker −10%#814AF9
Darker −20%#5E18F8
Darker −30%#4807D6
Darker −40%#3705A5
More saturated +25%#A277FF
Less saturated −25%#A98CEA

Channel breakdown

R163
G123
B251
Red163 (63.9%)
Green123 (48.2%)
Blue251 (98.4%)
Hue258.75°
Saturation (HSL)94.12%
Lightness73.33%
Dominant channelBlue
Hex per channelR A3 · G 7B · B FB

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Every value on this page was computed from “a37bfb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.