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Recognised as Colour

#220A5B

  • #220A5B
  • Violet
  • Dark
  • Nearest: Midnight blue

#220A5B is a violet with RGB values 34, 10, 91 and HSL 258°, 80%, 20%. It is a dark colour, so white text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#220A5B#220A5B
HEX#220A5B
RGBrgb(34, 10, 91)
RGB (0–1)0.1333, 0.0392, 0.3569
RGB percentages13.3%, 3.9%, 35.7%
HSLhsl(257.8, 80.2%, 19.8%)
HSV / HSBhsv(257.8, 89%, 35.7%)
CMYK62.6%, 89%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,230,875
CSS custom property--colour: #220A5B;

Brightness & contrast

Relative luminance0.01312WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.63:1
Contrast with white16.63:1WCAG normal text: AAA
Contrast with black1.26:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#DDF5A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00205Dno red cones; affects about 1% of men; ΔE 17.6 from the original
Deuteranopia#001C5Ano green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#042334no blue cones; rare, and affects men and women equally; ΔE 47.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.63:1WCAG large text: AAA
Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 8.2Dark slateblue · ΔE 21Indigo · ΔE 22.5Rebecca purple · ΔE 23.7Navy · ΔE 25.6Dark blue · ΔE 30.7
Nearest named CSS colourMidnight blue (#191970)ΔE 8.16, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#435B0A
Analogous#0A1A5B, #4B0A5B
Triadic#5B220A, #0A5B22
Split complementary#5B4B0A, #1A5B0A
Tetradic#5B0A1A, #435B0A, #0A5B4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7746EB
Lighter +30%#5619E5
Lighter +20%#4414B7
Lighter +10%#330F89
Darker −10%#11052D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1E0065
Less saturated −25%#27174E

Channel breakdown

R34
G10
B91
Red34 (13.3%)
Green10 (3.9%)
Blue91 (35.7%)
Hue257.78°
Saturation (HSL)80.2%
Lightness19.8%
Dominant channelBlue
Hex per channelR 22 · G 0A · B 5B

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Every value on this page was computed from “220a5b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.