Colour

#28115A

#28115A
Violet
Dark
Nearest: Midnight blue

#28115A is a violet with RGB values 40, 17, 90 and HSL 259°, 68%, 21%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#28115A#28115A

HEX#28115A

RGBrgb(40, 17, 90)

RGB (0–1)0.1569, 0.0667, 0.3529

RGB percentages15.7%, 6.7%, 35.3%

HSLhsl(258.9, 68.2%, 21%)

HSV / HSBhsv(258.9, 81.1%, 35.3%)

CMYK55.6%, 81.1%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,625,882

CSS custom property--colour: #28115A;

Brightness & contrast

Relative luminance0.0159WCAG 2.x, 0 is black and 1 is white

Perceived brightness39.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.93:1

Contrast with white15.93:1WCAG normal text: AAA

Contrast with black1.32:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#D7EEA5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00235Cno red cones; affects about 1% of men; ΔE 17 from the original

Deuteranopia#002059no green cones; the most common form, about 1% of men; ΔE 15.9 from the original

Tritanopia#162535no blue cones; rare, and affects men and women equally; ΔE 41.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.93:1WCAG large text: AAA

Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.5 Dark slateblue · ΔE 18.5 Rebecca purple · ΔE 24.4 Indigo · ΔE 26.1 Navy · ΔE 30.3 Purple · ΔE 32.7

Nearest named CSS colourMidnight blue (#191970)ΔE 10.55, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#435A11

Analogous#111E5A, #4D115A

Triadic#5A2811, #115A28

Split complementary#5A4C11, #1F5A11

Tetradic#5A111E, #435A11, #115A4D

Tints, shades & saturation

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

Lighter +40%#8258DF

Lighter +30%#622DD7

Lighter +20%#4E21B0

Lighter +10%#3B1985

Darker −10%#15092F

Darker −20%#020104

Darker −30%#000000

Darker −40%#000000

More saturated +25%#230467

Less saturated −25%#2D1E4D

Channel breakdown

R40

G17

B90

Red40 (15.7%)

Green17 (6.7%)

Blue90 (35.3%)

Hue258.9°

Saturation (HSL)68.22%

Lightness20.98%

Dominant channelBlue

Hex per channelR 28 · G 11 · B 5A

Keep nerding

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#28115A

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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