Recognised as Colour

#B4440F

#B4440F
Orange
Dark
Nearest: Chocolate

#B4440F is a orange with RGB values 180, 68, 15 and HSL 19°, 85%, 38%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#B4440F#B4440F

HEX#B4440F

RGBrgb(180, 68, 15)

RGB (0–1)0.7059, 0.2667, 0.0588

RGB percentages70.6%, 26.7%, 5.9%

HSLhsl(19.3, 84.6%, 38.2%)

HSV / HSBhsv(19.3, 91.7%, 70.6%)

CMYK0%, 62.2%, 91.7%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,813,903

CSS custom property--colour: #B4440F;

Brightness & contrast

Relative luminance0.13872WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.56:1

Contrast with white5.56:1WCAG normal text: AA

Contrast with black3.77:1WCAG normal text: Fail

Greyscale equivalent#585858

Inverted#4BBBF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#655802no red cones; affects about 1% of men; ΔE 47.5 from the original

Deuteranopia#807206no green cones; the most common form, about 1% of men; ΔE 48.6 from the original

Tritanopia#C6253Bno blue cones; rare, and affects men and women equally; ΔE 28.3 from the original

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

Contrast with white, large text5.56:1WCAG large text: AAA

Contrast with black, large text3.77:1WCAG large text: AA

Named colours

Chocolate · ΔE 14.8 Firebrick · ΔE 18.7 Dark red · ΔE 20 Sienna · ΔE 20.4 Saddle brown · ΔE 20.5 Brown · ΔE 22

Nearest named CSS colourChocolate (#D2691E)ΔE 14.83, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F7FB4

Analogous#B40F2D, #B4960F

Triadic#0FB444, #440FB4

Split complementary#0FB496, #0F2DB4

Tetradic#2DB40F, #0F7FB4, #970FB4

Tints, shades & saturation

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

Lighter +40%#F6B799

Lighter +30%#F39569

Lighter +20%#EF743A

Lighter +10%#E35613

Darker −10%#85320B

Darker −20%#562007

Darker −30%#270F03

Darker −40%#000000

More saturated +25%#C33F00

Less saturated −25%#9C4D27

Channel breakdown

R180

G68

B15

Red180 (70.6%)

Green68 (26.7%)

Blue15 (5.9%)

Hue19.27°

Saturation (HSL)84.62%

Lightness38.24%

Dominant channelRed

Hex per channelR B4 · G 44 · B 0F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B4440F (chemical formula)

Formula
48,015.398 g/mol
4441 atoms

B4440F has a molar mass of 48,015.398 g/mol, made up of 4441 atoms across 2 elements: 4440 × B, 1 × F.

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Molar mass

Molar mass48,015.398 g/mol

Total atoms per molecule4441

Distinct elements2

Mass of one molecule7.9731444 × 10^-20 g

Molecules per gram1.2542103 × 10^19

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%

F0%

Boron (B × 4440)47,996.4 g/mol, 99.96%

Fluorine (F)18.998 g/mol, 0.04%

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