Colour

#22172A

#22172A
Violet
Dark
Nearest: Black

#22172A is a violet with RGB values 34, 23, 42 and HSL 275°, 29%, 13%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#22172A#22172A

HEX#22172A

RGBrgb(34, 23, 42)

RGB (0–1)0.1333, 0.0902, 0.1647

RGB percentages13.3%, 9%, 16.5%

HSLhsl(274.7, 29.2%, 12.7%)

HSV / HSBhsv(274.7, 45.2%, 16.5%)

CMYK19%, 45.2%, 0%, 83.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,234,154

CSS custom property--colour: #22172A;

Brightness & contrast

Relative luminance0.0112WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.16:1

Contrast with white17.16:1WCAG normal text: AAA

Contrast with black1.22:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#DDE8D5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#131B2Bno red cones; affects about 1% of men; ΔE 8.4 from the original

Deuteranopia#161C29no green cones; the most common form, about 1% of men; ΔE 8.9 from the original

Tritanopia#211A1Eno blue cones; rare, and affects men and women equally; ΔE 11 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.16:1WCAG large text: AAA

Contrast with black, large text1.22:1WCAG large text: Fail

Named colours

Black · ΔE 17.9 Dark slate grey · ΔE 31.4 Dim grey · ΔE 37.5 Dark slateblue · ΔE 40.8 Slate grey · ΔE 44.6 Midnight blue · ΔE 44.7

Nearest named CSS colourBlack (#000000)ΔE 17.9, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F2A17

Analogous#18172A, #2A1729

Triadic#2A2217, #172A22

Split complementary#282A17, #172A19

Tetradic#2A1917, #1F2A17, #17292A

Tints, shades & saturation

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

Lighter +40%#8C63AA

Lighter +30%#724D8D

Lighter +20%#573B6C

Lighter +10%#3D294B

Darker −10%#070509

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#230F32

Less saturated −25%#211F22

Channel breakdown

R34

G23

B42

Red34 (13.3%)

Green23 (9%)

Blue42 (16.5%)

Hue274.74°

Saturation (HSL)29.23%

Lightness12.75%

Dominant channelBlue

Hex per channelR 22 · G 17 · B 2A

Keep nerding

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#22172A

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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