Colour

#643D34

#643D34
Red
Dark
Nearest: Dim grey

#643D34 is a red with RGB values 100, 61, 52 and HSL 11°, 32%, 30%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#643D34#643D34

HEX#643D34

RGBrgb(100, 61, 52)

RGB (0–1)0.3922, 0.2392, 0.2039

RGB percentages39.2%, 23.9%, 20.4%

HSLhsl(11.3, 31.6%, 29.8%)

HSV / HSBhsv(11.3, 48%, 39.2%)

CMYK0%, 39%, 48%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,569,268

CSS custom property--colour: #643D34;

Brightness & contrast

Relative luminance0.06295WCAG 2.x, 0 is black and 1 is white

Perceived brightness74 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.3:1

Contrast with white9.3:1WCAG normal text: AAA

Contrast with black2.26:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#9BC2CB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#464233no red cones; affects about 1% of men; ΔE 17.6 from the original

Deuteranopia#4F4A34no green cones; the most common form, about 1% of men; ΔE 17.9 from the original

Tritanopia#6C373Bno blue cones; rare, and affects men and women equally; ΔE 9.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.3:1WCAG large text: AAA

Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Dim grey · ΔE 24.9 Sienna · ΔE 29.8 Saddle brown · ΔE 31 Gray · ΔE 31.1 Dark slate grey · ΔE 32.2 Rosy brown · ΔE 34

Nearest named CSS colourDim grey (#696969)ΔE 24.91, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#345B64

Analogous#643443, #645534

Triadic#34643D, #3D3464

Split complementary#346455, #344364

Tetradic#436434, #345B64, #553464

Tints, shades & saturation

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

Lighter +40%#CAA39A

Lighter +30%#B98478

Lighter +20%#A76657

Lighter +10%#865145

Darker −10%#422923

Darker −20%#211411

Darker −30%#000000

Darker −40%#000000

More saturated +25%#773121

Less saturated −25%#514947

Channel breakdown

R100

G61

B52

Red100 (39.2%)

Green61 (23.9%)

Blue52 (20.4%)

Hue11.25°

Saturation (HSL)31.58%

Lightness29.8%

Dominant channelRed

Hex per channelR 64 · G 3D · B 34

Keep nerding

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

#643D34

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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