Colour

#000B23

#000B23
Blue
Dark
Nearest: Black

#000B23 is a blue with RGB values 0, 11, 35 and HSL 221°, 100%, 7%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#000B23#000B23

HEX#000B23

RGBrgb(0, 11, 35)

RGB (0–1)0, 0.0431, 0.1373

RGB percentages0%, 4.3%, 13.7%

HSLhsl(221.1, 100%, 6.9%)

HSV / HSBhsv(221.1, 100%, 13.7%)

CMYK100%, 68.6%, 0%, 86.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,851

CSS custom property--colour: #000B23;

Brightness & contrast

Relative luminance0.00361WCAG 2.x, 0 is black and 1 is white

Perceived brightness14.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.59:1

Contrast with white19.59:1WCAG normal text: AAA

Contrast with black1.07:1WCAG normal text: Fail

Greyscale equivalent#0A0A0A

Inverted#FFF4DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#000E24no red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#000A23no green cones; the most common form, about 1% of men; ΔE 0.6 from the original

Tritanopia#001115no blue cones; rare, and affects men and women equally; ΔE 14.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.59:1WCAG large text: AAA

Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 16.8 Dark slate grey · ΔE 34.1 Dark slateblue · ΔE 44.2 Dim grey · ΔE 44.3 Midnight blue · ΔE 45.6 Slate grey · ΔE 50.2

Nearest named CSS colourBlack (#000000)ΔE 16.81, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#231800

Analogous#001D23, #060023

Triadic#23000B, #0B2300

Split complementary#230700, #1C2300

Tetradic#23001D, #231800, #002307

Tints, shades & saturation

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

Lighter +40%#004BEF

Lighter +30%#003BBC

Lighter +20%#002B89

Lighter +10%#001B56

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000B23

Less saturated −25%#040D1F

Channel breakdown

G11

B35

Red0 (0%)

Green11 (4.3%)

Blue35 (13.7%)

Hue221.14°

Saturation (HSL)100%

Lightness6.86%

Dominant channelBlue

Hex per channelR 00 · G 0B · B 23

Keep nerding

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

#000B23

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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