Recognised as Colour

#540A1B

#540A1B
Red
Dark
Nearest: Maroon

#540A1B is a red with RGB values 84, 10, 27 and HSL 346°, 79%, 18%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#540A1B#540A1B

HEX#540A1B

RGBrgb(84, 10, 27)

RGB (0–1)0.3294, 0.0392, 0.1059

RGB percentages32.9%, 3.9%, 10.6%

HSLhsl(346.2, 78.7%, 18.4%)

HSV / HSBhsv(346.2, 88.1%, 32.9%)

CMYK0%, 88.1%, 67.9%, 67.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,507,611

CSS custom property--colour: #540A1B;

Brightness & contrast

Relative luminance0.02181WCAG 2.x, 0 is black and 1 is white

Perceived brightness47.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.62:1

Contrast with white14.62:1WCAG normal text: AAA

Contrast with black1.44:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#ABF5E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#201F1Bno red cones; affects about 1% of men; ΔE 35.3 from the original

Deuteranopia#332E19no green cones; the most common form, about 1% of men; ΔE 35.4 from the original

Tritanopia#5D0012no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original

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

Contrast with white, large text14.62:1WCAG large text: AAA

Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Maroon · ΔE 32.2 Brown · ΔE 33.1 Dark red · ΔE 37 Sienna · ΔE 37.2 Saddle brown · ΔE 37.5 Black · ΔE 39

Nearest named CSS colourMaroon (#800000)ΔE 32.16, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0A5443

Analogous#540A40, #541E0A

Triadic#1B540A, #0A1B54

Split complementary#0A541E, #0A4054

Tetradic#40540A, #0A5443, #1E0A54

Tints, shades & saturation

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

Lighter +40%#E84268

Lighter +30%#DD1A47

Lighter +20%#AF1538

Lighter +10%#820F2A

Darker −10%#26050C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5E0016

Less saturated −25%#481621

Channel breakdown

R84

G10

B27

Red84 (32.9%)

Green10 (3.9%)

Blue27 (10.6%)

Hue346.22°

Saturation (HSL)78.72%

Lightness18.43%

Dominant channelRed

Hex per channelR 54 · G 0A · B 1B

Keep nerding

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

#540A1B

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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