Colour

#00010B

#00010B
Blue
Dark
Nearest: Black

#00010B is a blue with RGB values 0, 1, 11 and HSL 235°, 100%, 2%. It is a dark colour, so white text on it reaches 20.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00010B#00010B

HEX#00010B

RGBrgb(0, 1, 11)

RGB (0–1)0, 0.0039, 0.0431

RGB percentages0%, 0.4%, 4.3%

HSLhsl(234.5, 100%, 2.2%)

HSV / HSBhsv(234.5, 100%, 4.3%)

CMYK100%, 90.9%, 0%, 95.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer267

CSS custom property--colour: #00010B;

Brightness & contrast

Relative luminance0.00046WCAG 2.x, 0 is black and 1 is white

Perceived brightness3.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.81:1

Contrast with white20.81:1WCAG normal text: AAA

Contrast with black1.01:1WCAG normal text: Fail

Greyscale equivalent#020202

Inverted#FFFEF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00020Bno red cones; affects about 1% of men; ΔE 0.5 from the original

Deuteranopia#00010Bno green cones; the most common form, about 1% of men; ΔE 0 from the original

Tritanopia#000304no blue cones; rare, and affects men and women equally; ΔE 3.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.81:1WCAG large text: AAA

Contrast with black, large text1.01:1WCAG large text: Fail

Named colours

Black · ΔE 4.1 Dark slate grey · ΔE 33.4 Dim grey · ΔE 44.2 Slate grey · ΔE 52.9 Gray · ΔE 53.3 Dark slateblue · ΔE 54.8

Nearest named CSS colourBlack (#000000)ΔE 4.07, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B0A00

Analogous#00070B, #04000B

Triadic#0B0001, #010B00

Split complementary#0B0500, #060B00

Tetradic#0B0007, #0B0A00, #000B05

Tints, shades & saturation

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

Lighter +40%#0014D7

Lighter +30%#000FA4

Lighter +20%#000A71

Lighter +10%#00063E

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00010B

Less saturated −25%#01020A

Channel breakdown

B11

Red0 (0%)

Green1 (0.4%)

Blue11 (4.3%)

Hue234.55°

Saturation (HSL)100%

Lightness2.16%

Dominant channelBlue

Hex per channelR 00 · G 01 · B 0B

Keep nerding

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

#00010B

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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