Recognised as Colour

#B44923

#B44923
Orange
Dark
Nearest: Sienna

#B44923 is a orange with RGB values 180, 73, 35 and HSL 16°, 67%, 42%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#B44923#B44923

HEX#B44923

RGBrgb(180, 73, 35)

RGB (0–1)0.7059, 0.2863, 0.1373

RGB percentages70.6%, 28.6%, 13.7%

HSLhsl(15.7, 67.4%, 42.2%)

HSV / HSBhsv(15.7, 80.6%, 70.6%)

CMYK0%, 59.4%, 80.6%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,815,203

CSS custom property--colour: #B44923;

Brightness & contrast

Relative luminance0.1459WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.36:1

Contrast with white5.36:1WCAG normal text: AA

Contrast with black3.92:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#4BB6DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#675C1Eno red cones; affects about 1% of men; ΔE 46 from the original

Deuteranopia#81741Fno green cones; the most common form, about 1% of men; ΔE 46.6 from the original

Tritanopia#C62F41no blue cones; rare, and affects men and women equally; ΔE 24.1 from the original

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

Contrast with white, large text5.36:1WCAG large text: AAA

Contrast with black, large text3.92:1WCAG large text: AA

Named colours

Sienna · ΔE 14.3 Firebrick · ΔE 16.6 Brown · ΔE 16.8 Saddle brown · ΔE 17 Chocolate · ΔE 18 Dark red · ΔE 19.6

Nearest named CSS colourSienna (#A0522D)ΔE 14.31, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#238EB4

Analogous#B42346, #B49223

Triadic#23B449, #4923B4

Split complementary#23B491, #2346B4

Tetradic#46B423, #238EB4, #9123B4

Tints, shades & saturation

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

Lighter +40%#F0C3B3

Lighter +30%#E8A188

Lighter +20%#E0805D

Lighter +10%#D75E33

Darker −10%#89381B

Darker −20%#5F2612

Darker −30%#34150A

Darker −40%#090402

More saturated +25%#CF3C08

Less saturated −25%#99563E

Channel breakdown

R180

G73

B35

Red180 (70.6%)

Green73 (28.6%)

Blue35 (13.7%)

Hue15.72°

Saturation (HSL)67.44%

Lightness42.16%

Dominant channelRed

Hex per channelR B4 · G 49 · B 23

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B44923 (chemical formula)

Formula
485,617.63 g/mol
44923 atoms

B44923 has a molar mass of 485,617.63 g/mol, made up of 44923 atoms across 1 element: 44923 × B.

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Molar mass

Molar mass485,617.63 g/mol

Total atoms per molecule44923

Distinct elements1

Mass of one molecule8.0638705 × 10^-19 g

Molecules per gram1.2400993 × 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 × 44923)485,617.63 g/mol, 100%

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Elements in this formula

Boron

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