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Colour

#31083C

  • #31083C
  • Violet
  • Dark
  • Nearest: Midnight blue

#31083C is a violet with RGB values 49, 8, 60 and HSL 287°, 76%, 13%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#31083C#31083C
HEX#31083C
RGBrgb(49, 8, 60)
RGB (0–1)0.1922, 0.0314, 0.2353
RGB percentages19.2%, 3.1%, 23.5%
HSLhsl(287.3, 76.5%, 13.3%)
HSV / HSBhsv(287.3, 86.7%, 23.5%)
CMYK18.3%, 86.7%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,213,372
CSS custom property--colour: #31083C;

Brightness & contrast

Relative luminance0.01153WCAG 2.x, 0 is black and 1 is white
Perceived brightness34.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.07:1
Contrast with white17.07:1WCAG normal text: AAA
Contrast with black1.23:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#CEF7C3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00193Dno red cones; affects about 1% of men; ΔE 21.8 from the original
Deuteranopia#0A1D3Bno green cones; the most common form, about 1% of men; ΔE 24.1 from the original
Tritanopia#311321no blue cones; rare, and affects men and women equally; ΔE 23.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.07:1WCAG large text: AAA
Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 27Dark slateblue · ΔE 28Rebecca purple · ΔE 35.7Purple · ΔE 38.2Black · ΔE 38.5Indigo · ΔE 39
Nearest named CSS colourMidnight blue (#191970)ΔE 26.97, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#133C08
Analogous#17083C, #3C082D
Triadic#3C3108, #083C31
Split complementary#2D3C08, #083C17
Tetradic#3C1708, #133C08, #082D3C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BD2DE3
Lighter +30%#9F1AC3
Lighter +20%#7B1496
Lighter +10%#560E69
Darker −10%#0C020F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#360044
Less saturated −25%#2C1034

Channel breakdown

R49
G8
B60
Red49 (19.2%)
Green8 (3.1%)
Blue60 (23.5%)
Hue287.31°
Saturation (HSL)76.47%
Lightness13.33%
Dominant channelBlue
Hex per channelR 31 · G 08 · B 3C

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Every value on this page was computed from “31083c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.