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Recognised as Colour

#5857AB

  • #5857AB
  • Blue
  • Dark
  • Nearest: Dark slateblue

#5857AB is a blue with RGB values 88, 87, 171 and HSL 241°, 33%, 51%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#5857AB#5857AB
HEX#5857AB
RGBrgb(88, 87, 171)
RGB (0–1)0.3451, 0.3412, 0.6706
RGB percentages34.5%, 34.1%, 67.1%
HSLhsl(240.7, 33.3%, 50.6%)
HSV / HSBhsv(240.7, 49.1%, 67.1%)
CMYK48.5%, 49.1%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,789,611
CSS custom property--colour: #5857AB;

Brightness & contrast

Relative luminance0.11831WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.24:1
Contrast with white6.24:1WCAG normal text: AA
Contrast with black3.37:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#A7A854

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3264AEno red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#2C5EA9no green cones; the most common form, about 1% of men; ΔE 13.7 from the original
Tritanopia#3A6979no blue cones; rare, and affects men and women equally; ΔE 46.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.24:1WCAG large text: AAA
Contrast with black, large text3.37:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 10.9Slate blue · ΔE 18.4Medium purple · ΔE 20Rebecca purple · ΔE 21.2Royal blue · ΔE 21.5Cornflower blue · ΔE 25.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AAAB57
Analogous#5780AB, #8257AB
Triadic#AB5857, #57AB58
Split complementary#AB8257, #80AB57
Tetradic#AB5780, #AAAB57, #57AB82

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFDFEF
Lighter +30%#BDBDDE
Lighter +20%#9C9BCD
Lighter +10%#7A79BC
Darker −10%#46458A
Darker −20%#353468
Darker −30%#232346
Darker −40%#121224
More saturated +25%#3938CB
Less saturated −25%#77778B

Channel breakdown

R88
G87
B171
Red88 (34.5%)
Green87 (34.1%)
Blue171 (67.1%)
Hue240.71°
Saturation (HSL)33.33%
Lightness50.59%
Dominant channelBlue
Hex per channelR 58 · G 57 · B AB

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Every value on this page was computed from “5857ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.