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Recognised as Colour

#2A0073

  • #2A0073
  • Violet
  • Dark
  • Nearest: Indigo

#2A0073 is a violet with RGB values 42, 0, 115 and HSL 262°, 100%, 23%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#2A0073#2A0073
HEX#2A0073
RGBrgb(42, 0, 115)
RGB (0–1)0.1647, 0, 0.451
RGB percentages16.5%, 0%, 45.1%
HSLhsl(261.9, 100%, 22.5%)
HSV / HSBhsv(261.9, 100%, 45.1%)
CMYK63.5%, 100%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,752,627
CSS custom property--colour: #2A0073;

Brightness & contrast

Relative luminance0.0173WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.6:1
Contrast with white15.6:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#D5FF8C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002676no red cones; affects about 1% of men; ΔE 23.1 from the original
Deuteranopia#002071no green cones; the most common form, about 1% of men; ΔE 20.6 from the original
Tritanopia#002A41no blue cones; rare, and affects men and women equally; ΔE 61 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.6:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Indigo · ΔE 9.2Navy · ΔE 10.4Midnight blue · ΔE 14.6Dark blue · ΔE 15Rebecca purple · ΔE 20.4Purple · ΔE 27.6
Nearest named CSS colourIndigo (#4B0082)ΔE 9.17, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#497300
Analogous#000F73, #630073
Triadic#732A00, #00732A
Split complementary#736400, #0F7300
Tetradic#730010, #497300, #007364

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8640FF
Lighter +30%#650DFF
Lighter +20%#4F00D9
Lighter +10%#3D00A6
Darker −10%#170040
Darker −20%#05000D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2A0073
Less saturated −25%#2E0E65

Channel breakdown

R42
G0
B115
Red42 (16.5%)
Green0 (0%)
Blue115 (45.1%)
Hue261.91°
Saturation (HSL)100%
Lightness22.55%
Dominant channelBlue
Hex per channelR 2A · G 00 · B 73

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Every value on this page was computed from “2a0073” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.