Colour

#18325B

#18325B
Blue
Dark
Nearest: Dark slateblue

#18325B is a blue with RGB values 24, 50, 91 and HSL 217°, 58%, 23%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#18325B#18325B

HEX#18325B

RGBrgb(24, 50, 91)

RGB (0–1)0.0941, 0.1961, 0.3569

RGB percentages9.4%, 19.6%, 35.7%

HSLhsl(216.7, 58.3%, 22.5%)

HSV / HSBhsv(216.7, 73.6%, 35.7%)

CMYK73.6%, 45.1%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,585,755

CSS custom property--colour: #18325B;

Brightness & contrast

Relative luminance0.03231WCAG 2.x, 0 is black and 1 is white

Perceived brightness50.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.76:1

Contrast with white12.76:1WCAG normal text: AAA

Contrast with black1.65:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#E7CDA4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1F365Dno red cones; affects about 1% of men; ΔE 2.4 from the original

Deuteranopia#142F5Ano green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#003B42no blue cones; rare, and affects men and women equally; ΔE 27 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.76:1WCAG large text: AAA

Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 27 Dark slate grey · ΔE 31.2 Steel blue · ΔE 33.3 Midnight blue · ΔE 34.5 Black · ΔE 35.1 Dim grey · ΔE 36.6

Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.98, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#5B4118

Analogous#18545B, #1F185B

Triadic#5B1832, #325B18

Split complementary#5B2018, #535B18

Tetradic#5B1854, #5B4118, #185B20

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#6893D7

Lighter +30%#4076CC

Lighter +20%#2D5EAC

Lighter +10%#234883

Darker −10%#0D1C33

Darker −20%#03060A

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0A2F69

Less saturated −25%#26354D

Channel breakdown

R24

G50

B91

Red24 (9.4%)

Green50 (19.6%)

Blue91 (35.7%)

Hue216.72°

Saturation (HSL)58.26%

Lightness22.55%

Dominant channelBlue

Hex per channelR 18 · G 32 · B 5B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#18325B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else