Colour

#28152C

#28152C
Violet
Dark
Nearest: Black

#28152C is a violet with RGB values 40, 21, 44 and HSL 290°, 35%, 13%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#28152C#28152C

HEX#28152C

RGBrgb(40, 21, 44)

RGB (0–1)0.1569, 0.0824, 0.1725

RGB percentages15.7%, 8.2%, 17.3%

HSLhsl(289.6, 35.4%, 12.7%)

HSV / HSBhsv(289.6, 52.3%, 17.3%)

CMYK9.1%, 52.3%, 0%, 82.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,626,860

CSS custom property--colour: #28152C;

Brightness & contrast

Relative luminance0.01169WCAG 2.x, 0 is black and 1 is white

Perceived brightness31 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.02:1

Contrast with white17.02:1WCAG normal text: AAA

Contrast with black1.23:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#D7EAD3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#121B2Dno red cones; affects about 1% of men; ΔE 12.4 from the original

Deuteranopia#171D2Bno green cones; the most common form, about 1% of men; ΔE 12.9 from the original

Tritanopia#28181Eno blue cones; rare, and affects men and women equally; ΔE 12 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.02:1WCAG large text: AAA

Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 21.3 Dark slate grey · ΔE 34.5 Dark slateblue · ΔE 38.5 Dim grey · ΔE 38.9 Midnight blue · ΔE 42 Slate grey · ΔE 45.7

Nearest named CSS colourBlack (#000000)ΔE 21.33, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#192C15

Analogous#1C152C, #2C1524

Triadic#2C2815, #152C28

Split complementary#242C15, #152C1D

Tetradic#2C1D15, #192C15, #15242C

Tints, shades & saturation

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

Lighter +40%#A25CB1

Lighter +30%#864694

Lighter +20%#673671

Lighter +10%#47254F

Darker −10%#090509

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2D0D34

Less saturated −25%#231D24

Channel breakdown

R40

G21

B44

Red40 (15.7%)

Green21 (8.2%)

Blue44 (17.3%)

Hue289.57°

Saturation (HSL)35.38%

Lightness12.75%

Dominant channelBlue

Hex per channelR 28 · G 15 · B 2C

Keep nerding

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#28152C

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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