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Recognised as Colour

#31056A

  • #31056A
  • Violet
  • Dark
  • Nearest: Midnight blue

#31056A is a violet with RGB values 49, 5, 106 and HSL 266°, 91%, 22%. It is a dark colour, so white text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#31056A#31056A
HEX#31056A
RGBrgb(49, 5, 106)
RGB (0–1)0.1922, 0.0196, 0.4157
RGB percentages19.2%, 2%, 41.6%
HSLhsl(266.1, 91%, 21.8%)
HSV / HSBhsv(266.1, 95.3%, 41.6%)
CMYK53.8%, 95.3%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,212,650
CSS custom property--colour: #31056A;

Brightness & contrast

Relative luminance0.01802WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.44:1
Contrast with white15.44:1WCAG normal text: AAA
Contrast with black1.36:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#CEFA95

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00266Cno red cones; affects about 1% of men; ΔE 23.2 from the original
Deuteranopia#002368no green cones; the most common form, about 1% of men; ΔE 22.7 from the original
Tritanopia#1E273Cno blue cones; rare, and affects men and women equally; ΔE 51.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.44:1WCAG large text: AAA
Contrast with black, large text1.36:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.2Indigo · ΔE 12.9Navy · ΔE 17.8Rebecca purple · ΔE 18.5Dark blue · ΔE 22.5Dark slateblue · ΔE 23.4
Nearest named CSS colourMidnight blue (#191970)ΔE 10.21, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E6A05
Analogous#050C6A, #64056A
Triadic#6A3105, #056A31
Split complementary#6A6405, #0B6A05
Tetradic#6A050B, #3E6A05, #056A64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9245F6
Lighter +30%#7614F4
Lighter +20%#5E0ACB
Lighter +10%#48079B
Darker −10%#1A0339
Darker −20%#040009
Darker −30%#000000
Darker −40%#000000
More saturated +25%#30006F
Less saturated −25%#33135C

Channel breakdown

R49
G5
B106
Red49 (19.2%)
Green5 (2%)
Blue106 (41.6%)
Hue266.14°
Saturation (HSL)90.99%
Lightness21.76%
Dominant channelBlue
Hex per channelR 31 · G 05 · B 6A

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Every value on this page was computed from “31056a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.