Colour

#010A18

#010A18
Blue
Dark
Nearest: Black

#010A18 is a blue with RGB values 1, 10, 24 and HSL 217°, 92%, 5%. It is a dark colour, so white text on it reaches 19.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010A18#010A18

HEX#010A18

RGBrgb(1, 10, 24)

RGB (0–1)0.0039, 0.0392, 0.0941

RGB percentages0.4%, 3.9%, 9.4%

HSLhsl(216.5, 92%, 4.9%)

HSV / HSBhsv(216.5, 95.8%, 9.4%)

CMYK95.8%, 58.3%, 0%, 90.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer68,120

CSS custom property--colour: #010A18;

Brightness & contrast

Relative luminance0.00289WCAG 2.x, 0 is black and 1 is white

Perceived brightness11.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.85:1

Contrast with white19.85:1WCAG normal text: AAA

Contrast with black1.06:1WCAG normal text: Fail

Greyscale equivalent#090909

Inverted#FEF5E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#050B19no red cones; affects about 1% of men; ΔE 1 from the original

Deuteranopia#020818no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#000D0Fno blue cones; rare, and affects men and women equally; ΔE 7.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.85:1WCAG large text: AAA

Contrast with black, large text1.06:1WCAG large text: Fail

Named colours

Black · ΔE 8.8 Dark slate grey · ΔE 31.5 Dim grey · ΔE 42.6 Slate grey · ΔE 50.3 Dark slateblue · ΔE 50.8 Gray · ΔE 51.7

Nearest named CSS colourBlack (#000000)ΔE 8.84, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#180F01

Analogous#011618, #030118

Triadic#18010A, #0A1801

Split complementary#180301, #161801

Tetradic#180116, #180F01, #011803

Tints, shades & saturation

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

Lighter +40%#095CDC

Lighter +30%#0747AB

Lighter +20%#05337A

Lighter +10%#031E49

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000A19

Less saturated −25%#040B15

Channel breakdown

G10

B24

Red1 (0.4%)

Green10 (3.9%)

Blue24 (9.4%)

Hue216.52°

Saturation (HSL)92%

Lightness4.9%

Dominant channelBlue

Hex per channelR 01 · G 0A · B 18

Keep nerding

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

#010A18

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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