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Recognised as Colour

#2118A2

  • #2118A2
  • Blue
  • Dark
  • Nearest: Dark blue

#2118A2 is a blue with RGB values 33, 24, 162 and HSL 244°, 74%, 36%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2118A2#2118A2
HEX#2118A2
RGBrgb(33, 24, 162)
RGB (0–1)0.1294, 0.0941, 0.6353
RGB percentages12.9%, 9.4%, 63.5%
HSLhsl(243.9, 74.2%, 36.5%)
HSV / HSBhsv(243.9, 85.2%, 63.5%)
CMYK79.6%, 85.2%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,168,994
CSS custom property--colour: #2118A2;

Brightness & contrast

Relative luminance0.03585WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.23:1
Contrast with white12.23:1WCAG normal text: AAA
Contrast with black1.72:1WCAG normal text: Fail
Greyscale equivalent#242424
Inverted#DEE75D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003CA6no red cones; affects about 1% of men; ΔE 24.4 from the original
Deuteranopia#002EA0no green cones; the most common form, about 1% of men; ΔE 15.9 from the original
Tritanopia#004660no blue cones; rare, and affects men and women equally; ΔE 76.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.23:1WCAG large text: AAA
Contrast with black, large text1.72:1WCAG large text: Fail

Named colours

Dark blue · ΔE 7.8Navy · ΔE 11Indigo · ΔE 17.3Rebecca purple · ΔE 26.4Medium blue · ΔE 27.8Midnight blue · ΔE 28
Nearest named CSS colourDark blue (#00008B)ΔE 7.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#99A218
Analogous#1854A2, #6618A2
Triadic#A22118, #18A221
Split complementary#A26618, #54A218
Tetradic#A21854, #99A218, #18A266

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9C96F0
Lighter +30%#726AE9
Lighter +20%#483EE2
Lighter +10%#2A1FCE
Darker −10%#181176
Darker −20%#0F0B49
Darker −30%#06041D
Darker −40%#000000
More saturated +25%#0D01B9
Less saturated −25%#352F8B

Channel breakdown

R33
G24
B162
Red33 (12.9%)
Green24 (9.4%)
Blue162 (63.5%)
Hue243.91°
Saturation (HSL)74.19%
Lightness36.47%
Dominant channelBlue
Hex per channelR 21 · G 18 · B A2

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Every value on this page was computed from “2118a2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.