Colour

#21084A

#21084A
Violet
Dark
Nearest: Midnight blue

#21084A is a violet with RGB values 33, 8, 74 and HSL 263°, 80%, 16%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#21084A#21084A

HEX#21084A

RGBrgb(33, 8, 74)

RGB (0–1)0.1294, 0.0314, 0.2902

RGB percentages12.9%, 3.1%, 29%

HSLhsl(262.7, 80.5%, 16.1%)

HSV / HSBhsv(262.7, 89.2%, 29%)

CMYK55.4%, 89.2%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,164,810

CSS custom property--colour: #21084A;

Brightness & contrast

Relative luminance0.00991WCAG 2.x, 0 is black and 1 is white

Perceived brightness31.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.53:1

Contrast with white17.53:1WCAG normal text: AAA

Contrast with black1.2:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#DEF7B5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001A4Cno red cones; affects about 1% of men; ΔE 16 from the original

Deuteranopia#001849no green cones; the most common form, about 1% of men; ΔE 15.8 from the original

Tritanopia#131B29no blue cones; rare, and affects men and women equally; ΔE 37.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.53:1WCAG large text: AAA

Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 15.9 Dark slateblue · ΔE 23.1 Rebecca purple · ΔE 29.9 Indigo · ΔE 30.8 Navy · ΔE 34.6 Purple · ΔE 36.1

Nearest named CSS colourMidnight blue (#191970)ΔE 15.88, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#314A08

Analogous#08104A, #42084A

Triadic#4A2108, #084A21

Split complementary#4A4208, #104A08

Tetradic#4A0810, #314A08, #084A42

Tints, shades & saturation

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

Lighter +40%#7935E9

Lighter +30%#5F17D4

Lighter +20%#4A12A6

Lighter +10%#360D78

Darker −10%#0C031C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F0052

Less saturated −25%#231240

Channel breakdown

R33

B74

Red33 (12.9%)

Green8 (3.1%)

Blue74 (29%)

Hue262.73°

Saturation (HSL)80.49%

Lightness16.08%

Dominant channelBlue

Hex per channelR 21 · G 08 · B 4A

Keep nerding

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#21084A

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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