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Recognised as Colour

#5951AB

  • #5951AB
  • Blue
  • Dark
  • Nearest: Dark slateblue

#5951AB is a blue with RGB values 89, 81, 171 and HSL 245°, 36%, 49%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#5951AB#5951AB
HEX#5951AB
RGBrgb(89, 81, 171)
RGB (0–1)0.349, 0.3176, 0.6706
RGB percentages34.9%, 31.8%, 67.1%
HSLhsl(245.3, 35.7%, 49.4%)
HSV / HSBhsv(245.3, 52.6%, 67.1%)
CMYK48%, 52.6%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,853,611
CSS custom property--colour: #5951AB;

Brightness & contrast

Relative luminance0.10949WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.58:1
Contrast with white6.58:1WCAG normal text: AA
Contrast with black3.19:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#A6AE54

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2560AEno red cones; affects about 1% of men; ΔE 18 from the original
Deuteranopia#205AA9no green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#3D6576no blue cones; rare, and affects men and women equally; ΔE 49.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.58:1WCAG large text: AAA
Contrast with black, large text3.19:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 10.3Slate blue · ΔE 14.7Rebecca purple · ΔE 16.8Medium purple · ΔE 18.3Royal blue · ΔE 19.7Midnight blue · ΔE 24.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A3AB51
Analogous#5176AB, #8651AB
Triadic#AB5951, #51AB59
Split complementary#AB8651, #76AB51
Tetradic#AB5176, #A3AB51, #51AB86

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCDAEE
Lighter +30%#BBB8DD
Lighter +20%#9A95CD
Lighter +10%#7973BC
Darker −10%#474188
Darker −20%#353066
Darker −30%#232043
Darker −40%#110F21
More saturated +25%#3F31CB
Less saturated −25%#73718B

Channel breakdown

R89
G81
B171
Red89 (34.9%)
Green81 (31.8%)
Blue171 (67.1%)
Hue245.33°
Saturation (HSL)35.71%
Lightness49.41%
Dominant channelBlue
Hex per channelR 59 · G 51 · B AB

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Every value on this page was computed from “5951ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.