Colour

#310C58

#310C58
Violet
Dark
Nearest: Midnight blue

#310C58 is a violet with RGB values 49, 12, 88 and HSL 269°, 76%, 20%. 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

#310C58#310C58

HEX#310C58

RGBrgb(49, 12, 88)

RGB (0–1)0.1922, 0.0471, 0.3451

RGB percentages19.2%, 4.7%, 34.5%

HSLhsl(269.2, 76%, 19.6%)

HSV / HSBhsv(269.2, 86.4%, 34.5%)

CMYK44.3%, 86.4%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,214,424

CSS custom property--colour: #310C58;

Brightness & contrast

Relative luminance0.0162WCAG 2.x, 0 is black and 1 is white

Perceived brightness41.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.86:1

Contrast with white15.86:1WCAG normal text: AAA

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

Greyscale equivalent#191919

Inverted#CEF3A7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00225Ano red cones; affects about 1% of men; ΔE 20.3 from the original

Deuteranopia#002257no green cones; the most common form, about 1% of men; ΔE 21.8 from the original

Tritanopia#282132no blue cones; rare, and affects men and women equally; ΔE 38.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text15.86:1WCAG large text: AAA

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

Named colours

Midnight blue · ΔE 12.4 Dark slateblue · ΔE 19.8 Rebecca purple · ΔE 23.4 Indigo · ΔE 24.5 Purple · ΔE 29.7 Navy · ΔE 30.1

Nearest named CSS colourMidnight blue (#191970)ΔE 12.38, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#33580C

Analogous#0C0D58, #570C58

Triadic#58310C, #0C5831

Split complementary#58570C, #0D580C

Tetradic#580C0D, #33580C, #0C5857

Tints, shades & saturation

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

Lighter +40%#964AE6

Lighter +30%#7C1EDF

Lighter +20%#6318B2

Lighter +10%#4A1285

Darker −10%#18062B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#310064

Less saturated −25%#31184C

Channel breakdown

R49

G12

B88

Red49 (19.2%)

Green12 (4.7%)

Blue88 (34.5%)

Hue269.21°

Saturation (HSL)76%

Lightness19.61%

Dominant channelBlue

Hex per channelR 31 · G 0C · B 58

Keep nerding

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

#310C58

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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