Colour

#0B0404

#0B0404
Red
Dark
Nearest: Black

#0B0404 is a red with RGB values 11, 4, 4 and HSL 0°, 47%, 3%. It is a dark colour, so white text on it reaches 20.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B0404#0B0404

HEX#0B0404

RGBrgb(11, 4, 4)

RGB (0–1)0.0431, 0.0157, 0.0157

RGB percentages4.3%, 1.6%, 1.6%

HSLhsl(0, 46.7%, 2.9%)

HSV / HSBhsv(0, 63.6%, 4.3%)

CMYK0%, 63.6%, 63.6%, 95.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer721,924

CSS custom property--colour: #0B0404;

Brightness & contrast

Relative luminance0.00167WCAG 2.x, 0 is black and 1 is white

Perceived brightness6.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.32:1

Contrast with white20.32:1WCAG normal text: AAA

Contrast with black1.03:1WCAG normal text: Fail

Greyscale equivalent#050505

Inverted#F4FBFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#050504no red cones; affects about 1% of men; ΔE 2 from the original

Deuteranopia#070604no green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#0D0304no blue cones; rare, and affects men and women equally; ΔE 1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.32:1WCAG large text: AAA

Contrast with black, large text1.03:1WCAG large text: Fail

Named colours

Black · ΔE 2.5 Dark slate grey · ΔE 33 Dim grey · ΔE 43 Gray · ΔE 52.1 Slate grey · ΔE 52.7 Dark olivegreen · ΔE 54.6

Nearest named CSS colourBlack (#000000)ΔE 2.46, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#040B0B

Analogous#0B0407, #0B0704

Triadic#040B04, #04040B

Split complementary#040B07, #04070B

Tetradic#070B04, #040B0B, #07040B

Tints, shades & saturation

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

Lighter +40%#A13A3A

Lighter +30%#7B2D2D

Lighter +20%#561F1F

Lighter +10%#301212

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0D0202

Less saturated −25%#090606

Channel breakdown

R11

Red11 (4.3%)

Green4 (1.6%)

Blue4 (1.6%)

Hue0°

Saturation (HSL)46.67%

Lightness2.94%

Dominant channelRed

Hex per channelR 0B · G 04 · B 04

Keep nerding

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

#0B0404

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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