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Recognised as Colour

#220F56

  • #220F56
  • Violet
  • Dark
  • Nearest: Midnight blue

#220F56 is a violet with RGB values 34, 15, 86 and HSL 256°, 70%, 20%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#220F56#220F56
HEX#220F56
RGBrgb(34, 15, 86)
RGB (0–1)0.1333, 0.0588, 0.3373
RGB percentages13.3%, 5.9%, 33.7%
HSLhsl(256.1, 70.3%, 19.8%)
HSV / HSBhsv(256.1, 82.6%, 33.7%)
CMYK60.5%, 82.6%, 0%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,232,150
CSS custom property--colour: #220F56;

Brightness & contrast

Relative luminance0.01354WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.53:1
Contrast with white16.53:1WCAG normal text: AAA
Contrast with black1.27:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#DDF0A9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002058no red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#001D55no green cones; the most common form, about 1% of men; ΔE 14.4 from the original
Tritanopia#0A2332no blue cones; rare, and affects men and women equally; ΔE 42.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.53:1WCAG large text: AAA
Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.3Dark slateblue · ΔE 19.7Rebecca purple · ΔE 26.2Indigo · ΔE 27.5Navy · ΔE 31.1Purple · ΔE 34.5
Nearest named CSS colourMidnight blue (#191970)ΔE 11.34, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#43560F
Analogous#0F2056, #450F56
Triadic#56220F, #0F5622
Split complementary#56460F, #1F560F
Tetradic#560F20, #43560F, #0F5645

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7750E1
Lighter +30%#5626D8
Lighter +20%#441EAD
Lighter +10%#331781
Darker −10%#11072B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C0263
Less saturated −25%#281C49

Channel breakdown

R34
G15
B86
Red34 (13.3%)
Green15 (5.9%)
Blue86 (33.7%)
Hue256.06°
Saturation (HSL)70.3%
Lightness19.8%
Dominant channelBlue
Hex per channelR 22 · G 0F · B 56

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Every value on this page was computed from “220f56” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.