Nerdulator> put something in

Colour

#583C90

  • #583C90
  • Violet
  • Dark
  • Nearest: Dark slateblue

#583C90 is a violet with RGB values 88, 60, 144 and HSL 260°, 41%, 40%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#583C90#583C90
HEX#583C90
RGBrgb(88, 60, 144)
RGB (0–1)0.3451, 0.2353, 0.5647
RGB percentages34.5%, 23.5%, 56.5%
HSLhsl(260, 41.2%, 40%)
HSV / HSBhsv(260, 58.3%, 56.5%)
CMYK38.9%, 58.3%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,782,672
CSS custom property--colour: #583C90;

Brightness & contrast

Relative luminance0.0732WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.52:1
Contrast with white8.52:1WCAG normal text: AAA
Contrast with black2.46:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#A7C36F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#104D93no red cones; affects about 1% of men; ΔE 22.9 from the original
Deuteranopia#1B4B8Eno green cones; the most common form, about 1% of men; ΔE 22.5 from the original
Tritanopia#4A4E60no blue cones; rare, and affects men and women equally; ΔE 42.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.52:1WCAG large text: AAA
Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 6.3Rebecca purple · ΔE 11.8Midnight blue · ΔE 18.2Slate blue · ΔE 20.4Medium purple · ΔE 24.2Indigo · ΔE 25.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 6.26, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#74903C
Analogous#3C4A90, #823C90
Triadic#90583C, #3C9058
Split complementary#90823C, #4A903C
Tetradic#903C4A, #74903C, #3C9082

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5B7E1
Lighter +30%#A893D2
Lighter +20%#8B6FC3
Lighter +10%#6E4BB4
Darker −10%#422D6C
Darker −20%#2C1E48
Darker −30%#160F24
Darker −40%#000000
More saturated +25%#4F23AA
Less saturated −25%#615677

Channel breakdown

R88
G60
B144
Red88 (34.5%)
Green60 (23.5%)
Blue144 (56.5%)
Hue260°
Saturation (HSL)41.18%
Lightness40%
Dominant channelBlue
Hex per channelR 58 · G 3C · B 90

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “583c90” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.