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Recognised as Colour

#18346C

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

#18346C is a blue with RGB values 24, 52, 108 and HSL 220°, 64%, 26%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#18346C#18346C
HEX#18346C
RGBrgb(24, 52, 108)
RGB (0–1)0.0941, 0.2039, 0.4235
RGB percentages9.4%, 20.4%, 42.4%
HSLhsl(220, 63.6%, 25.9%)
HSV / HSBhsv(220, 77.8%, 42.4%)
CMYK77.8%, 51.9%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,586,284
CSS custom property--colour: #18346C;

Brightness & contrast

Relative luminance0.03733WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.02:1
Contrast with white12.02:1WCAG normal text: AAA
Contrast with black1.75:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#E7CB93

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#143A6Eno red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#00336Bno 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 36 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.02:1WCAG large text: AAA
Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.1Midnight blue · ΔE 25.7Steel blue · ΔE 33.6Rebecca purple · ΔE 35.2Slate blue · ΔE 40.2Dark slate grey · ΔE 40.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.05, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C5018
Analogous#185E6C, #26186C
Triadic#6C1834, #346C18
Split complementary#6C2618, #5E6C18
Tetradic#6C185E, #6C5018, #186C26

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7196DF
Lighter +30%#4777D6
Lighter +20%#2B5CBF
Lighter +10%#214896
Darker −10%#0F2042
Darker −20%#050C19
Darker −30%#000000
Darker −40%#000000
More saturated +25%#072F7D
Less saturated −25%#28395B

Channel breakdown

R24
G52
B108
Red24 (9.4%)
Green52 (20.4%)
Blue108 (42.4%)
Hue220°
Saturation (HSL)63.64%
Lightness25.88%
Dominant channelBlue
Hex per channelR 18 · G 34 · B 6C

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