Colour

#280C58

#280C58
Violet
Dark
Nearest: Midnight blue

#280C58 is a violet with RGB values 40, 12, 88 and HSL 262°, 76%, 20%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#280C58#280C58

HEX#280C58

RGBrgb(40, 12, 88)

RGB (0–1)0.1569, 0.0471, 0.3451

RGB percentages15.7%, 4.7%, 34.5%

HSLhsl(262.1, 76%, 19.6%)

HSV / HSBhsv(262.1, 86.4%, 34.5%)

CMYK54.5%, 86.4%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,624,600

CSS custom property--colour: #280C58;

Brightness & contrast

Relative luminance0.01419WCAG 2.x, 0 is black and 1 is white

Perceived brightness38 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.36:1

Contrast with white16.36:1WCAG normal text: AAA

Contrast with black1.28:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#D7F3A7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00215Ano red cones; affects about 1% of men; ΔE 18.3 from the original

Deuteranopia#001E57no green cones; the most common form, about 1% of men; ΔE 17.3 from the original

Tritanopia#182232no blue cones; rare, and affects men and women equally; ΔE 42.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.36:1WCAG large text: AAA

Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.5 Dark slateblue · ΔE 20 Rebecca purple · ΔE 24.3 Indigo · ΔE 24.7 Navy · ΔE 28.9 Purple · ΔE 31.8

Nearest named CSS colourMidnight blue (#191970)ΔE 10.49, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3C580C

Analogous#0C1658, #4E0C58

Triadic#58280C, #0C5828

Split complementary#584E0C, #16580C

Tetradic#580C16, #3C580C, #0C584E

Tints, shades & saturation

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

Lighter +40%#834AE6

Lighter +30%#651EDF

Lighter +20%#5118B2

Lighter +10%#3C1285

Darker −10%#14062B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#250064

Less saturated −25%#2B184C

Channel breakdown

R40

G12

B88

Red40 (15.7%)

Green12 (4.7%)

Blue88 (34.5%)

Hue262.11°

Saturation (HSL)76%

Lightness19.61%

Dominant channelBlue

Hex per channelR 28 · G 0C · B 58

Keep nerding

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

#280C58

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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