Recognised as Colour

#28104F

#28104F
Violet
Dark
Nearest: Midnight blue

#28104F is a violet with RGB values 40, 16, 79 and HSL 263°, 66%, 19%. 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

#28104F#28104F

HEX#28104F

RGBrgb(40, 16, 79)

RGB (0–1)0.1569, 0.0627, 0.3098

RGB percentages15.7%, 6.3%, 31%

HSLhsl(262.9, 66.3%, 18.6%)

HSV / HSBhsv(262.9, 79.7%, 31%)

CMYK49.4%, 79.7%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,625,615

CSS custom property--colour: #28104F;

Brightness & contrast

Relative luminance0.01386WCAG 2.x, 0 is black and 1 is white

Perceived brightness36.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.44:1

Contrast with white16.44:1WCAG normal text: AAA

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

Greyscale equivalent#1A1A1A

Inverted#D7EFB0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002051no red cones; affects about 1% of men; ΔE 16.7 from the original

Deuteranopia#001E4Eno green cones; the most common form, about 1% of men; ΔE 16.6 from the original

Tritanopia#1D202Eno blue cones; rare, and affects men and women equally; ΔE 35 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.44:1WCAG large text: AAA

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

Named colours

Midnight blue · ΔE 16.4 Dark slateblue · ΔE 20.7 Rebecca purple · ΔE 28.9 Indigo · ΔE 31.7 Purple · ΔE 35.8 Navy · ΔE 36.3

Nearest named CSS colourMidnight blue (#191970)ΔE 16.44, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#374F10

Analogous#10174F, #48104F

Triadic#4F2810, #104F28

Split complementary#4F4810, #174F10

Tetradic#4F1017, #374F10, #104F48

Tints, shades & saturation

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

Lighter +40%#8550DB

Lighter +30%#682ACE

Lighter +20%#5321A4

Lighter +10%#3D1979

Darker −10%#130725

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#25045B

Less saturated −25%#2B1C43

Channel breakdown

R40

G16

B79

Red40 (15.7%)

Green16 (6.3%)

Blue79 (31%)

Hue262.86°

Saturation (HSL)66.32%

Lightness18.63%

Dominant channelBlue

Hex per channelR 28 · G 10 · B 4F

Keep nerding

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#28104F

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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