Recognised as Colour

#B54935

#B54935
Red
Dark
Nearest: Brown

#B54935 is a red with RGB values 181, 73, 53 and HSL 9°, 55%, 46%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B54935#B54935

HEX#B54935

RGBrgb(181, 73, 53)

RGB (0–1)0.7098, 0.2863, 0.2078

RGB percentages71%, 28.6%, 20.8%

HSLhsl(9.4, 54.7%, 45.9%)

HSV / HSBhsv(9.4, 70.7%, 71%)

CMYK0%, 59.7%, 70.7%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,880,757

CSS custom property--colour: #B54935;

Brightness & contrast

Relative luminance0.14846WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.29:1

Contrast with white5.29:1WCAG normal text: AA

Contrast with black3.97:1WCAG normal text: Fail

Greyscale equivalent#5F5F5F

Inverted#4AB6CA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665D32no red cones; affects about 1% of men; ΔE 46.6 from the original

Deuteranopia#817432no green cones; the most common form, about 1% of men; ΔE 46.6 from the original

Tritanopia#C73145no blue cones; rare, and affects men and women equally; ΔE 18.7 from the original

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

Contrast with white, large text5.29:1WCAG large text: AAA

Contrast with black, large text3.97:1WCAG large text: AA

Named colours

Brown · ΔE 11.1 Sienna · ΔE 13.5 Indian red · ΔE 14.4 Firebrick · ΔE 15.2 Saddle brown · ΔE 19.3 Dark red · ΔE 20.6

Nearest named CSS colourBrown (#A52A2A)ΔE 11.14, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#35A1B5

Analogous#B53561, #B58935

Triadic#35B549, #4935B5

Split complementary#35B589, #3561B5

Tetradic#61B535, #35A1B5, #8935B5

Tints, shades & saturation

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

Lighter +40%#EFCDC7

Lighter +30%#E3AAA0

Lighter +20%#D88778

Lighter +10%#CC6451

Darker −10%#8E3929

Darker −20%#66291E

Darker −30%#3F1912

Darker −40%#170907

More saturated +25%#D23518

Less saturated −25%#985D52

Channel breakdown

R181

G73

B53

Red181 (71%)

Green73 (28.6%)

Blue53 (20.8%)

Hue9.37°

Saturation (HSL)54.7%

Lightness45.88%

Dominant channelRed

Hex per channelR B5 · G 49 · B 35

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B54935 (chemical formula)

Formula
593,847.35 g/mol
54935 atoms

B54935 has a molar mass of 593,847.35 g/mol, made up of 54935 atoms across 1 element: 54935 × B.

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Molar mass

Molar mass593,847.35 g/mol

Total atoms per molecule54935

Distinct elements1

Mass of one molecule9.8610672 × 10^-19 g

Molecules per gram1.014089 × 10^18

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

B100%

Boron (B × 54935)593,847.35 g/mol, 100%

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Elements in this formula

Boron

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