Recognised as Colour

#B44736

#B44736
Red
Dark
Nearest: Brown

#B44736 is a red with RGB values 180, 71, 54 and HSL 8°, 54%, 46%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B44736#B44736

HEX#B44736

RGBrgb(180, 71, 54)

RGB (0–1)0.7059, 0.2784, 0.2118

RGB percentages70.6%, 27.8%, 21.2%

HSLhsl(8.1, 53.8%, 45.9%)

HSV / HSBhsv(8.1, 70%, 70.6%)

CMYK0%, 60.6%, 70%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,814,710

CSS custom property--colour: #B44736;

Brightness & contrast

Relative luminance0.14476WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.39:1

Contrast with white5.39:1WCAG normal text: AA

Contrast with black3.9:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#4BB8C9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#645B34no red cones; affects about 1% of men; ΔE 47 from the original

Deuteranopia#7F7333no green cones; the most common form, about 1% of men; ΔE 47.5 from the original

Tritanopia#C62F43no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original

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

Contrast with white, large text5.39:1WCAG large text: AAA

Contrast with black, large text3.9:1WCAG large text: AA

Named colours

Brown · ΔE 10 Indian red · ΔE 13.7 Sienna · ΔE 14.3 Firebrick · ΔE 14.8 Saddle brown · ΔE 20.1 Dark red · ΔE 20.4

Nearest named CSS colourBrown (#A52A2A)ΔE 10.05, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#36A3B4

Analogous#B43664, #B48636

Triadic#36B447, #4736B4

Split complementary#36B486, #3664B4

Tetradic#64B436, #36A3B4, #8636B4

Tints, shades & saturation

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

Lighter +40%#EECDC8

Lighter +30%#E3A9A0

Lighter +20%#D78679

Lighter +10%#CB6252

Darker −10%#8D382A

Darker −20%#66281E

Darker −30%#3E1913

Darker −40%#170907

More saturated +25%#D13219

Less saturated −25%#975C53

Channel breakdown

R180

G71

B54

Red180 (70.6%)

Green71 (27.8%)

Blue54 (21.2%)

Hue8.1°

Saturation (HSL)53.85%

Lightness45.88%

Dominant channelRed

Hex per channelR B4 · G 47 · B 36

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B44736 (chemical formula)

Formula
483,596.16 g/mol
44736 atoms

B44736 has a molar mass of 483,596.16 g/mol, made up of 44736 atoms across 1 element: 44736 × B.

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Molar mass

Molar mass483,596.16 g/mol

Total atoms per molecule44736

Distinct elements1

Mass of one molecule8.0303032 × 10^-19 g

Molecules per gram1.245283 × 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 × 44736)483,596.16 g/mol, 100%

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Elements in this formula

Boron

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