Recognised as Colour

#643B2E

#643B2E
Red
Dark
Nearest: Dim grey

#643B2E is a red with RGB values 100, 59, 46 and HSL 14°, 37%, 29%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#643B2E#643B2E

HEX#643B2E

RGBrgb(100, 59, 46)

RGB (0–1)0.3922, 0.2314, 0.1804

RGB percentages39.2%, 23.1%, 18%

HSLhsl(14.4, 37%, 28.6%)

HSV / HSBhsv(14.4, 54%, 39.2%)

CMYK0%, 41%, 54%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,568,750

CSS custom property--colour: #643B2E;

Brightness & contrast

Relative luminance0.06035WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.52:1

Contrast with white9.52:1WCAG normal text: AAA

Contrast with black2.21:1WCAG normal text: Fail

Greyscale equivalent#434343

Inverted#9BC4D1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#45402Dno red cones; affects about 1% of men; ΔE 18.4 from the original

Deuteranopia#4F492Eno green cones; the most common form, about 1% of men; ΔE 18.8 from the original

Tritanopia#6D3438no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.52:1WCAG large text: AAA

Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Dim grey · ΔE 27.2 Sienna · ΔE 27.7 Saddle brown · ΔE 28.3 Gray · ΔE 33.2 Dark slate grey · ΔE 34.3 Rosy brown · ΔE 35.3

Nearest named CSS colourDim grey (#696969)ΔE 27.24, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2E5764

Analogous#642E3C, #64562E

Triadic#2E643B, #3B2E64

Split complementary#2E6456, #2E3C64

Tetradic#3C642E, #2E5764, #562E64

Tints, shades & saturation

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

Lighter +40%#CDA091

Lighter +30%#BD816E

Lighter +20%#AA644E

Lighter +10%#87503E

Darker −10%#41261E

Darker −20%#1E120E

Darker −30%#000000

Darker −40%#000000

More saturated +25%#76321C

Less saturated −25%#524440

Channel breakdown

R100

G59

B46

Red100 (39.2%)

Green59 (23.1%)

Blue46 (18%)

Hue14.44°

Saturation (HSL)36.99%

Lightness28.63%

Dominant channelRed

Hex per channelR 64 · G 3B · B 2E

Keep nerding

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

#643B2E

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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