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Colour

#18325C

  • #18325C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#18325C is a blue with RGB values 24, 50, 92 and HSL 217°, 59%, 23%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#18325C#18325C
HEX#18325C
RGBrgb(24, 50, 92)
RGB (0–1)0.0941, 0.1961, 0.3608
RGB percentages9.4%, 19.6%, 36.1%
HSLhsl(217.1, 58.6%, 22.7%)
HSV / HSBhsv(217.1, 73.9%, 36.1%)
CMYK73.9%, 45.7%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,585,756
CSS custom property--colour: #18325C;

Brightness & contrast

Relative luminance0.03248WCAG 2.x, 0 is black and 1 is white
Perceived brightness51 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.73:1
Contrast with white12.73:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#E7CDA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E365Eno red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#13305Bno green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#003C42no blue cones; rare, and affects men and women equally; ΔE 28.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.73:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.3Dark slate grey · ΔE 31.8Steel blue · ΔE 33.3Midnight blue · ΔE 33.9Black · ΔE 35.6Dim grey · ΔE 37.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C4218
Analogous#18545C, #20185C
Triadic#5C1832, #325C18
Split complementary#5C2018, #545C18
Tetradic#5C1854, #5C4218, #185C20

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6893D8
Lighter +30%#4076CD
Lighter +20%#2D5EAD
Lighter +10%#234884
Darker −10%#0D1C34
Darker −20%#03060B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A2F6A
Less saturated −25%#27354E

Channel breakdown

R24
G50
B92
Red24 (9.4%)
Green50 (19.6%)
Blue92 (36.1%)
Hue217.06°
Saturation (HSL)58.62%
Lightness22.75%
Dominant channelBlue
Hex per channelR 18 · G 32 · B 5C

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Every value on this page was computed from “18325c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.