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Recognised as Colour

#858AFB

  • #858AFB
  • Blue
  • Dark
  • Nearest: Medium purple

#858AFB is a blue with RGB values 133, 138, 251 and HSL 237°, 94%, 75%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Medium purple.

Colour values

#858AFB#858AFB
HEX#858AFB
RGBrgb(133, 138, 251)
RGB (0–1)0.5216, 0.5412, 0.9843
RGB percentages52.2%, 54.1%, 98.4%
HSLhsl(237.5, 93.7%, 75.3%)
HSV / HSBhsv(237.5, 47%, 98.4%)
CMYK47%, 45%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,751,867
CSS custom property--colour: #858AFB;

Brightness & contrast

Relative luminance0.30129WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.03:1
Contrast with white2.99:1WCAG normal text: Fail
Contrast with black7.03:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#7A7504

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B9AFFno red cones; affects about 1% of men; ΔE 16.6 from the original
Deuteranopia#5291F8no green cones; the most common form, about 1% of men; ΔE 15 from the original
Tritanopia#5AA2B6no blue cones; rare, and affects men and women equally; ΔE 59.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.99:1WCAG large text: Fail
Contrast with black, large text7.03:1WCAG large text: AAA

Named colours

Medium purple · ΔE 13.8Royal blue · ΔE 16.2Dodgerblue · ΔE 18.4Slate blue · ΔE 18.7Medium slateblue · ΔE 18.8Cornflower blue · ΔE 19.5
Nearest named CSS colourMedium purple (#9370DB)ΔE 13.75, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBF685
Analogous#85C5FB, #BB85FB
Triadic#FB858A, #8AFB85
Split complementary#FBBB85, #C5FB85
Tetradic#FB85C5, #FBF685, #85FBBB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E8E9FE
Lighter +10%#B6B9FD
Darker −10%#545BF9
Darker −20%#222BF8
Darker −30%#0711E0
Darker −40%#060DAE
More saturated +25%#8186FF
Less saturated −25%#9598EB

Channel breakdown

R133
G138
B251
Red133 (52.2%)
Green138 (54.1%)
Blue251 (98.4%)
Hue237.46°
Saturation (HSL)93.65%
Lightness75.29%
Dominant channelBlue
Hex per channelR 85 · G 8A · B FB

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Every value on this page was computed from “858afb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.