Colour

#16181F

#16181F
Blue
Dark
Nearest: Black

#16181F is a blue with RGB values 22, 24, 31 and HSL 227°, 17%, 10%. It is a dark colour, so white text on it reaches 17.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#16181F#16181F

HEX#16181F

RGBrgb(22, 24, 31)

RGB (0–1)0.0863, 0.0941, 0.1216

RGB percentages8.6%, 9.4%, 12.2%

HSLhsl(226.7, 17%, 10.4%)

HSV / HSBhsv(226.7, 29%, 12.2%)

CMYK29%, 22.6%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,447,967

CSS custom property--colour: #16181F;

Brightness & contrast

Relative luminance0.00923WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.73:1

Contrast with white17.73:1WCAG normal text: AAA

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

Greyscale equivalent#181818

Inverted#E9E7E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#16191Fno red cones; affects about 1% of men; ΔE 1 from the original

Deuteranopia#15181Fno green cones; the most common form, about 1% of men; ΔE 0.5 from the original

Tritanopia#14191Ano blue cones; rare, and affects men and women equally; ΔE 4.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.73:1WCAG large text: AAA

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

Named colours

Black · ΔE 9.9 Dark slate grey · ΔE 26.3 Dim grey · ΔE 36.5 Slate grey · ΔE 44.9 Gray · ΔE 45.6 Light slate grey · ΔE 48.1

Nearest named CSS colourBlack (#000000)ΔE 9.88, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F1D16

Analogous#161D1F, #18161F

Triadic#1F1618, #181F16

Split complementary#1F1816, #1D1F16

Tetradic#1F161D, #1F1D16, #161F18

Tints, shades & saturation

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

Lighter +40%#6B7596

Lighter +30%#565D78

Lighter +20%#40465B

Lighter +10%#2B2F3D

Darker −10%#010101

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F1426

Less saturated −25%#1A1A1A

Channel breakdown

R22

G24

B31

Red22 (8.6%)

Green24 (9.4%)

Blue31 (12.2%)

Hue226.67°

Saturation (HSL)16.98%

Lightness10.39%

Dominant channelBlue

Hex per channelR 16 · G 18 · B 1F

Keep nerding

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

#16181F

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