Colour

#18191E

#18191E
Blue
Dark
Nearest: Black

#18191E is a blue with RGB values 24, 25, 30 and HSL 230°, 11%, 11%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#18191E#18191E

HEX#18191E

RGBrgb(24, 25, 30)

RGB (0–1)0.0941, 0.098, 0.1176

RGB percentages9.4%, 9.8%, 11.8%

HSLhsl(230, 11.1%, 10.6%)

HSV / HSBhsv(230, 20%, 11.8%)

CMYK20%, 16.7%, 0%, 88.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,579,294

CSS custom property--colour: #18191E;

Brightness & contrast

Relative luminance0.00983WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.55:1

Contrast with white17.55:1WCAG normal text: AAA

Contrast with black1.2:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#E7E6E1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#18191Eno red cones; affects about 1% of men; ΔE 0 from the original

Deuteranopia#17191Eno green cones; the most common form, about 1% of men; ΔE 0.5 from the original

Tritanopia#171A1Bno blue cones; rare, and affects men and women equally; ΔE 3.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.55:1WCAG large text: AAA

Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Black · ΔE 9.6 Dark slate grey · ΔE 25.7 Dim grey · ΔE 35.8 Slate grey · ΔE 44.6 Gray · ΔE 44.9 Light slate grey · ΔE 47.8

Nearest named CSS colourBlack (#000000)ΔE 9.61, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1E1D18

Analogous#181C1E, #1A181E

Triadic#1E1819, #191E18

Split complementary#1E1A18, #1C1E18

Tetradic#1E181C, #1E1D18, #181E1A

Tints, shades & saturation

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

Lighter +40%#73788F

Lighter +30%#5C6073

Lighter +20%#454857

Lighter +10%#2F313A

Darker −10%#010102

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#111425

Less saturated −25%#1B1B1B

Channel breakdown

R24

G25

B30

Red24 (9.4%)

Green25 (9.8%)

Blue30 (11.8%)

Hue230°

Saturation (HSL)11.11%

Lightness10.59%

Dominant channelBlue

Hex per channelR 18 · G 19 · B 1E

Keep nerding

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

#18191E

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

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