Recognised as Colour

#280B44

#280B44
Violet
Dark
Nearest: Midnight blue

#280B44 is a violet with RGB values 40, 11, 68 and HSL 271°, 72%, 15%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#280B44#280B44

HEX#280B44

RGBrgb(40, 11, 68)

RGB (0–1)0.1569, 0.0431, 0.2667

RGB percentages15.7%, 4.3%, 26.7%

HSLhsl(270.5, 72.2%, 15.5%)

HSV / HSBhsv(270.5, 83.8%, 26.7%)

CMYK41.2%, 83.8%, 0%, 73.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,624,324

CSS custom property--colour: #280B44;

Brightness & contrast

Relative luminance0.01108WCAG 2.x, 0 is black and 1 is white

Perceived brightness32.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.19:1

Contrast with white17.19:1WCAG normal text: AAA

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

Greyscale equivalent#151515

Inverted#D7F4BB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001B46no red cones; affects about 1% of men; ΔE 17.4 from the original

Deuteranopia#001B43no green cones; the most common form, about 1% of men; ΔE 18.9 from the original

Tritanopia#221927no blue cones; rare, and affects men and women equally; ΔE 29.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.19:1WCAG large text: AAA

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

Named colours

Midnight blue · ΔE 21.2 Dark slateblue · ΔE 24.4 Rebecca purple · ΔE 32.8 Indigo · ΔE 35.5 Purple · ΔE 37.9 Navy · ΔE 40.5

Nearest named CSS colourMidnight blue (#191970)ΔE 21.22, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27440B

Analogous#0C0B44, #440B43

Triadic#44280B, #0B4428

Split complementary#43440B, #0B440C

Tetradic#440C0B, #27440B, #0B4344

Tints, shades & saturation

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

Lighter +40%#8F3CDF

Lighter +30%#7520C8

Lighter +20%#5C199C

Lighter +10%#421270

Darker −10%#0E0418

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#28014E

Less saturated −25%#28153A

Channel breakdown

R40

G11

B68

Red40 (15.7%)

Green11 (4.3%)

Blue68 (26.7%)

Hue270.53°

Saturation (HSL)72.15%

Lightness15.49%

Dominant channelBlue

Hex per channelR 28 · G 0B · B 44

Keep nerding

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

#280B44

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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