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Recognised as Colour

#A5A1FB

  • #A5A1FB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#A5A1FB is a blue with RGB values 165, 161, 251 and HSL 243°, 92%, 81%. It is a dark colour, so black text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#A5A1FB#A5A1FB
HEX#A5A1FB
RGBrgb(165, 161, 251)
RGB (0–1)0.6471, 0.6314, 0.9843
RGB percentages64.7%, 63.1%, 98.4%
HSLhsl(242.7, 91.8%, 80.8%)
HSV / HSBhsv(242.7, 35.9%, 98.4%)
CMYK34.3%, 35.9%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,854,907
CSS custom property--colour: #A5A1FB;

Brightness & contrast

Relative luminance0.40454WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.09:1
Contrast with white2.31:1WCAG normal text: Fail
Contrast with black9.09:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#5A5E04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#85ADFFno red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#82A8F9no green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#8FB2C2no blue cones; rare, and affects men and women equally; ΔE 44.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.31:1WCAG large text: Fail
Contrast with black, large text9.09:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 15.6Medium purple · ΔE 21.8Dodgerblue · ΔE 24.8Plum · ΔE 25Royal blue · ΔE 30.7Slate blue · ΔE 31.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F7FBA1
Analogous#A1CAFB, #D2A1FB
Triadic#FBA5A1, #A1FBA5
Split complementary#FBD2A1, #CAFBA1
Tetradic#FBA1CA, #F7FBA1, #A1FBD2

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#FFFFFF
Lighter +10%#D4D2FD
Darker −10%#7670F9
Darker −20%#473FF7
Darker −30%#180EF5
Darker −40%#1108C8
More saturated +25%#A19DFF
Less saturated −25%#B0ADEF

Channel breakdown

R165
G161
B251
Red165 (64.7%)
Green161 (63.1%)
Blue251 (98.4%)
Hue242.67°
Saturation (HSL)91.84%
Lightness80.78%
Dominant channelBlue
Hex per channelR A5 · G A1 · B FB

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Every value on this page was computed from “a5a1fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.