Recognised as Colour

#581FDB

#581FDB
Violet
Dark
Nearest: Medium blue

#581FDB is a violet with RGB values 88, 31, 219 and HSL 258°, 75%, 49%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#581FDB#581FDB

HEX#581FDB

RGBrgb(88, 31, 219)

RGB (0–1)0.3451, 0.1216, 0.8588

RGB percentages34.5%, 12.2%, 85.9%

HSLhsl(258.2, 75.2%, 49%)

HSV / HSBhsv(258.2, 85.8%, 85.9%)

CMYK59.8%, 85.8%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,775,323

CSS custom property--colour: #581FDB;

Brightness & contrast

Relative luminance0.08169WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.97:1

Contrast with white7.97:1WCAG normal text: AAA

Contrast with black2.63:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#A7E024

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0056E0no red cones; affects about 1% of men; ΔE 34.6 from the original

Deuteranopia#004BD8no green cones; the most common form, about 1% of men; ΔE 29.9 from the original

Tritanopia#005D83no blue cones; rare, and affects men and women equally; ΔE 93.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text7.97:1WCAG large text: AAA

Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Medium blue · ΔE 12.1 Blue violet · ΔE 12.5 Dark violet · ΔE 17.6 Dark orchid · ΔE 25.5 Blue · ΔE 27.2 Dark blue · ΔE 29.5

Nearest named CSS colourMedium blue (#0000CD)ΔE 12.08, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#A2DB1F

Analogous#1F44DB, #B61FDB

Triadic#DB581F, #1FDB58

Split complementary#DBB61F, #44DB1F

Tetradic#DB1F44, #A2DB1F, #1FDBB6

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#DBCEF8

Lighter +30%#BAA1F2

Lighter +20%#9975EB

Lighter +10%#7848E5

Darker −10%#4619AE

Darker −20%#341282

Darker −30%#220C55

Darker −40%#100628

More saturated +25%#4C00FA

Less saturated −25%#643EBC

Channel breakdown

R88

G31

B219

Red88 (34.5%)

Green31 (12.2%)

Blue219 (85.9%)

Hue258.19°

Saturation (HSL)75.2%

Lightness49.02%

Dominant channelBlue

Hex per channelR 58 · G 1F · B DB

Keep nerding

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

#581FDB

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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