Colour

#18022B

#18022B
Violet
Dark
Nearest: Black

#18022B is a violet with RGB values 24, 2, 43 and HSL 272°, 91%, 9%. It is a dark colour, so white text on it reaches 19.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#18022B#18022B

HEX#18022B

RGBrgb(24, 2, 43)

RGB (0–1)0.0941, 0.0078, 0.1686

RGB percentages9.4%, 0.8%, 16.9%

HSLhsl(272.2, 91.1%, 8.8%)

HSV / HSBhsv(272.2, 95.3%, 16.9%)

CMYK44.2%, 95.3%, 0%, 83.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,573,419

CSS custom property--colour: #18022B;

Brightness & contrast

Relative luminance0.00412WCAG 2.x, 0 is black and 1 is white

Perceived brightness19.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.4:1

Contrast with white19.4:1WCAG normal text: AAA

Contrast with black1.08:1WCAG normal text: Fail

Greyscale equivalent#0A0A0A

Inverted#E7FDD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#000D2Cno red cones; affects about 1% of men; ΔE 11.9 from the original

Deuteranopia#000D2Ano green cones; the most common form, about 1% of men; ΔE 12.9 from the original

Tritanopia#140B16no blue cones; rare, and affects men and women equally; ΔE 21.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.4:1WCAG large text: AAA

Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Black · ΔE 28.3 Midnight blue · ΔE 33.5 Dark slateblue · ΔE 35 Dark slate grey · ΔE 44.3 Rebecca purple · ΔE 46.1 Indigo · ΔE 49.2

Nearest named CSS colourBlack (#000000)ΔE 28.33, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#152B02

Analogous#04022B, #2B0229

Triadic#2B1802, #022B18

Split complementary#2A2B02, #022B04

Tetradic#2B0302, #152B02, #02292B

Tints, shades & saturation

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

Lighter +40%#850BEE

Lighter +30%#6A09BD

Lighter +20%#4E078C

Lighter +10%#33045C

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#18002D

Less saturated −25%#180825

Channel breakdown

R24

B43

Red24 (9.4%)

Green2 (0.8%)

Blue43 (16.9%)

Hue272.2°

Saturation (HSL)91.11%

Lightness8.82%

Dominant channelBlue

Hex per channelR 18 · G 02 · B 2B

Keep nerding

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

#18022B

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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