Colour

#540C21

#540C21
Red
Dark
Nearest: Brown

#540C21 is a red with RGB values 84, 12, 33 and HSL 343°, 75%, 19%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#540C21#540C21

HEX#540C21

RGBrgb(84, 12, 33)

RGB (0–1)0.3294, 0.0471, 0.1294

RGB percentages32.9%, 4.7%, 12.9%

HSLhsl(342.5, 75%, 18.8%)

HSV / HSBhsv(342.5, 85.7%, 32.9%)

CMYK0%, 85.7%, 60.7%, 67.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,508,129

CSS custom property--colour: #540C21;

Brightness & contrast

Relative luminance0.02258WCAG 2.x, 0 is black and 1 is white

Perceived brightness48.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.47:1

Contrast with white14.47:1WCAG normal text: AAA

Contrast with black1.45:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#ABF3DE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#202021no red cones; affects about 1% of men; ΔE 34.4 from the original

Deuteranopia#322F1Fno green cones; the most common form, about 1% of men; ΔE 35.6 from the original

Tritanopia#5D0015no blue cones; rare, and affects men and women equally; ΔE 11.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text14.47:1WCAG large text: AAA

Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Brown · ΔE 35.4 Maroon · ΔE 35.5 Black · ΔE 38.1 Sienna · ΔE 39.6 Dark red · ΔE 40.2 Saddle brown · ΔE 40.5

Nearest named CSS colourBrown (#A52A2A)ΔE 35.35, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C543F

Analogous#540C45, #541B0C

Triadic#21540C, #0C2154

Split complementary#0C541B, #0C4554

Tetradic#45540C, #0C543F, #1B0C54

Tints, shades & saturation

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

Lighter +40%#E54775

Lighter +30%#DA1F56

Lighter +20%#AD1944

Lighter +10%#811233

Darker −10%#27060F

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#60001C

Less saturated −25%#481826

Channel breakdown

R84

G12

B33

Red84 (32.9%)

Green12 (4.7%)

Blue33 (12.9%)

Hue342.5°

Saturation (HSL)75%

Lightness18.82%

Dominant channelRed

Hex per channelR 54 · G 0C · B 21

Keep nerding

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

#540C21

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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