Colour

#010816

#010816
Blue
Dark
Nearest: Black

#010816 is a blue with RGB values 1, 8, 22 and HSL 220°, 91%, 5%. It is a dark colour, so white text on it reaches 20:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010816#010816

HEX#010816

RGBrgb(1, 8, 22)

RGB (0–1)0.0039, 0.0314, 0.0863

RGB percentages0.4%, 3.1%, 8.6%

HSLhsl(220, 91.3%, 4.5%)

HSV / HSBhsv(220, 95.5%, 8.6%)

CMYK95.5%, 63.6%, 0%, 91.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer67,606

CSS custom property--colour: #010816;

Brightness & contrast

Relative luminance0.00238WCAG 2.x, 0 is black and 1 is white

Perceived brightness9.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.05:1

Contrast with white20.05:1WCAG normal text: AAA

Contrast with black1.05:1WCAG normal text: Fail

Greyscale equivalent#080808

Inverted#FEF7E9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#030917no red cones; affects about 1% of men; ΔE 0.6 from the original

Deuteranopia#010716no green cones; the most common form, about 1% of men; ΔE 0.5 from the original

Tritanopia#000B0Dno blue cones; rare, and affects men and women equally; ΔE 6.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.05:1WCAG large text: AAA

Contrast with black, large text1.05:1WCAG large text: Fail

Named colours

Black · ΔE 8 Dark slate grey · ΔE 31.9 Dim grey · ΔE 43 Slate grey · ΔE 50.9 Dark slateblue · ΔE 51.5 Gray · ΔE 52

Nearest named CSS colourBlack (#000000)ΔE 7.95, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#160F01

Analogous#011316, #050116

Triadic#160108, #081601

Split complementary#160401, #121601

Tetradic#160112, #160F01, #011604

Tints, shades & saturation

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

Lighter +40%#0A4FD9

Lighter +30%#083DA8

Lighter +20%#052B78

Lighter +10%#031A47

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000817

Less saturated −25%#040913

Channel breakdown

B22

Red1 (0.4%)

Green8 (3.1%)

Blue22 (8.6%)

Hue220°

Saturation (HSL)91.3%

Lightness4.51%

Dominant channelBlue

Hex per channelR 01 · G 08 · B 16

Keep nerding

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#010816

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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