Colour

#2A1540

#2A1540
Violet
Dark
Nearest: Dark slateblue

#2A1540 is a violet with RGB values 42, 21, 64 and HSL 269°, 51%, 17%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2A1540#2A1540

HEX#2A1540

RGBrgb(42, 21, 64)

RGB (0–1)0.1647, 0.0824, 0.251

RGB percentages16.5%, 8.2%, 25.1%

HSLhsl(269.3, 50.6%, 16.7%)

HSV / HSBhsv(269.3, 67.2%, 25.1%)

CMYK34.4%, 67.2%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,757,952

CSS custom property--colour: #2A1540;

Brightness & contrast

Relative luminance0.01399WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.41:1

Contrast with white16.41:1WCAG normal text: AAA

Contrast with black1.28:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#D5EABF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#031F41no red cones; affects about 1% of men; ΔE 16 from the original

Deuteranopia#0B1F3Fno green cones; the most common form, about 1% of men; ΔE 15.6 from the original

Tritanopia#261E28no blue cones; rare, and affects men and women equally; ΔE 23.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.41:1WCAG large text: AAA

Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 27 Midnight blue · ΔE 28.5 Black · ΔE 33.6 Rebecca purple · ΔE 38.5 Dark slate grey · ΔE 42.7 Indigo · ΔE 43.7

Nearest named CSS colourDark slateblue (#483D8B)ΔE 27.01, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B4015

Analogous#151640, #3F1540

Triadic#402A15, #15402A

Split complementary#403F15, #154015

Tetradic#401516, #2B4015, #15403F

Tints, shades & saturation

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

Lighter +40%#8F59C8

Lighter +30%#763BB3

Lighter +20%#5C2E8D

Lighter +10%#432266

Darker −10%#11081A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2A0A4B

Less saturated −25%#2A2035

Channel breakdown

R42

G21

B64

Red42 (16.5%)

Green21 (8.2%)

Blue64 (25.1%)

Hue269.3°

Saturation (HSL)50.59%

Lightness16.67%

Dominant channelBlue

Hex per channelR 2A · G 15 · B 40

Keep nerding

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#2A1540

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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