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Recognised as Colour

#31185D

  • #31185D
  • Violet
  • Dark
  • Nearest: Midnight blue

#31185D is a violet with RGB values 49, 24, 93 and HSL 262°, 59%, 23%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#31185D#31185D
HEX#31185D
RGBrgb(49, 24, 93)
RGB (0–1)0.1922, 0.0941, 0.3647
RGB percentages19.2%, 9.4%, 36.5%
HSLhsl(261.7, 59%, 22.9%)
HSV / HSBhsv(261.7, 74.2%, 36.5%)
CMYK47.3%, 74.2%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,217,501
CSS custom property--colour: #31185D;

Brightness & contrast

Relative luminance0.02097WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.8:1
Contrast with white14.8:1WCAG normal text: AAA
Contrast with black1.42:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#CEE7A2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00285Fno red cones; affects about 1% of men; ΔE 17.8 from the original
Deuteranopia#00275Cno green cones; the most common form, about 1% of men; ΔE 18.5 from the original
Tritanopia#252938no blue cones; rare, and affects men and women equally; ΔE 37.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.8:1WCAG large text: AAA
Contrast with black, large text1.42:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13Dark slateblue · ΔE 16.1Rebecca purple · ΔE 23.9Indigo · ΔE 28Purple · ΔE 32.5Navy · ΔE 33.3
Nearest named CSS colourMidnight blue (#191970)ΔE 12.98, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#445D18
Analogous#18215D, #53185D
Triadic#5D3118, #185D31
Split complementary#5D5418, #215D18
Tetradic#5D1822, #445D18, #185D54

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9169D8
Lighter +30%#7440CE
Lighter +20%#5C2DAE
Lighter +10%#462286
Darker −10%#1C0E34
Darker −20%#06030C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2D096C
Less saturated −25%#35274E

Channel breakdown

R49
G24
B93
Red49 (19.2%)
Green24 (9.4%)
Blue93 (36.5%)
Hue261.74°
Saturation (HSL)58.97%
Lightness22.94%
Dominant channelBlue
Hex per channelR 31 · G 18 · B 5D

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Every value on this page was computed from “31185d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.