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Recognised as Colour

#18346A

  • #18346A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#18346A is a blue with RGB values 24, 52, 106 and HSL 220°, 63%, 25%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#18346A#18346A
HEX#18346A
RGBrgb(24, 52, 106)
RGB (0–1)0.0941, 0.2039, 0.4157
RGB percentages9.4%, 20.4%, 41.6%
HSLhsl(219.5, 63.1%, 25.5%)
HSV / HSBhsv(219.5, 77.4%, 41.6%)
CMYK77.4%, 50.9%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,586,282
CSS custom property--colour: #18346A;

Brightness & contrast

Relative luminance0.03691WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.08:1
Contrast with white12.08:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#E7CB95

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#163A6Cno red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#003269no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#00414Ano blue cones; rare, and affects men and women equally; ΔE 34.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.08:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.2Midnight blue · ΔE 26.9Steel blue · ΔE 33.3Rebecca purple · ΔE 36.3Dark slate grey · ΔE 39Slate grey · ΔE 40.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A4E18
Analogous#185D6A, #25186A
Triadic#6A1834, #346A18
Split complementary#6A2518, #5D6A18
Tetradic#6A185D, #6A4E18, #186A25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6F95DF
Lighter +30%#4677D5
Lighter +20%#2B5DBD
Lighter +10%#214894
Darker −10%#0F2040
Darker −20%#050B17
Darker −30%#000000
Darker −40%#000000
More saturated +25%#082F7A
Less saturated −25%#28395A

Channel breakdown

R24
G52
B106
Red24 (9.4%)
Green52 (20.4%)
Blue106 (41.6%)
Hue219.51°
Saturation (HSL)63.08%
Lightness25.49%
Dominant channelBlue
Hex per channelR 18 · G 34 · B 6A

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Every value on this page was computed from “18346a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.