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Recognised as Colour

#22164A

  • #22164A
  • Blue
  • Dark
  • Nearest: Midnight blue

#22164A is a blue with RGB values 34, 22, 74 and HSL 254°, 54%, 19%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#22164A#22164A
HEX#22164A
RGBrgb(34, 22, 74)
RGB (0–1)0.1333, 0.0863, 0.2902
RGB percentages13.3%, 8.6%, 29%
HSLhsl(253.8, 54.2%, 18.8%)
HSV / HSBhsv(253.8, 70.3%, 29%)
CMYK54.1%, 70.3%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,233,930
CSS custom property--colour: #22164A;

Brightness & contrast

Relative luminance0.01408WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.38:1
Contrast with white16.38:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#DDE9B5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00214Cno red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#001E49no green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#14222Dno blue cones; rare, and affects men and women equally; ΔE 31.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.38:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 22.1Dark slateblue · ΔE 22.6Rebecca purple · ΔE 34.3Indigo · ΔE 38.9Black · ΔE 39.1Purple · ΔE 42
Nearest named CSS colourMidnight blue (#191970)ΔE 22.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E4A16
Analogous#16244A, #3C164A
Triadic#4A2216, #164A22
Split complementary#4A3C16, #244A16
Tetradic#4A1624, #3E4A16, #164A3C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#775DCF
Lighter +30%#5839C0
Lighter +20%#462D99
Lighter +10%#342271
Darker −10%#100A23
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C0A56
Less saturated −25%#28223E

Channel breakdown

R34
G22
B74
Red34 (13.3%)
Green22 (8.6%)
Blue74 (29%)
Hue253.85°
Saturation (HSL)54.17%
Lightness18.82%
Dominant channelBlue
Hex per channelR 22 · G 16 · B 4A

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Every value on this page was computed from “22164a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.