Recognised as Colour

#16181D

#16181D
Blue
Dark
Nearest: Black

#16181D is a blue with RGB values 22, 24, 29 and HSL 223°, 14%, 10%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#16181D#16181D

HEX#16181D

RGBrgb(22, 24, 29)

RGB (0–1)0.0863, 0.0941, 0.1137

RGB percentages8.6%, 9.4%, 11.4%

HSLhsl(222.9, 13.7%, 10%)

HSV / HSBhsv(222.9, 24.1%, 11.4%)

CMYK24.1%, 17.2%, 0%, 88.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,447,965

CSS custom property--colour: #16181D;

Brightness & contrast

Relative luminance0.00913WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.76:1

Contrast with white17.76:1WCAG normal text: AAA

Contrast with black1.18:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#E9E7E2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#17181Dno red cones; affects about 1% of men; ΔE 0.5 from the original

Deuteranopia#16181Dno green cones; the most common form, about 1% of men; ΔE 0 from the original

Tritanopia#14191Ano blue cones; rare, and affects men and women equally; ΔE 3.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.76:1WCAG large text: AAA

Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Black · ΔE 9.1 Dark slate grey · ΔE 26 Dim grey · ΔE 36.4 Slate grey · ΔE 45.2 Gray · ΔE 45.5 Light slate grey · ΔE 48.3

Nearest named CSS colourBlack (#000000)ΔE 9.1, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D1B16

Analogous#161B1D, #18161D

Triadic#1D1618, #181D16

Split complementary#1D1816, #1B1D16

Tetradic#1D161C, #1D1B16, #161D18

Tints, shades & saturation

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

Lighter +40%#6E7891

Lighter +30%#586074

Lighter +20%#424857

Lighter +10%#2C303A

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#101523

Less saturated −25%#1A1A1A

Channel breakdown

R22

G24

B29

Red22 (8.6%)

Green24 (9.4%)

Blue29 (11.4%)

Hue222.86°

Saturation (HSL)13.73%

Lightness10%

Dominant channelBlue

Hex per channelR 16 · G 18 · B 1D

Keep nerding

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

#16181D

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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