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Recognised as Colour

#022172

  • #022172
  • Blue
  • Dark
  • Nearest: Midnight blue

#022172 is a blue with RGB values 2, 33, 114 and HSL 223°, 97%, 23%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#022172#022172
HEX#022172
RGBrgb(2, 33, 114)
RGB (0–1)0.0078, 0.1294, 0.4471
RGB percentages0.8%, 12.9%, 44.7%
HSLhsl(223.4, 96.6%, 22.7%)
HSV / HSBhsv(223.4, 98.2%, 44.7%)
CMYK98.2%, 71.1%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer139,634
CSS custom property--colour: #022172;

Brightness & contrast

Relative luminance0.02316WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.35:1
Contrast with white14.35:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#FDDE8D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002F75no red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#002571no green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#003846no blue cones; rare, and affects men and women equally; ΔE 51 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.35:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 6.4Dark slateblue · ΔE 15.4Rebecca purple · ΔE 23.6Indigo · ΔE 26.8Navy · ΔE 27.4Slate blue · ΔE 31.5
Nearest named CSS colourMidnight blue (#191970)ΔE 6.37, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#725302
Analogous#025972, #1B0272
Triadic#720221, #217202
Split complementary#721B02, #597202
Tetradic#720259, #725302, #02721B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4477FC
Lighter +30%#1253FB
Lighter +20%#043ED6
Lighter +10%#0330A4
Darker −10%#011240
Darker −20%#00040E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002074
Less saturated −25%#112763

Channel breakdown

R2
G33
B114
Red2 (0.8%)
Green33 (12.9%)
Blue114 (44.7%)
Hue223.39°
Saturation (HSL)96.55%
Lightness22.75%
Dominant channelBlue
Hex per channelR 02 · G 21 · B 72

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Every value on this page was computed from “hex 022172” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.