Recognised as Colour

#B24930

#B24930
Red
Dark
Nearest: Sienna

#B24930 is a red with RGB values 178, 73, 48 and HSL 12°, 58%, 44%. 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

#B24930#B24930

HEX#B24930

RGBrgb(178, 73, 48)

RGB (0–1)0.698, 0.2863, 0.1882

RGB percentages69.8%, 28.6%, 18.8%

HSLhsl(11.5, 57.5%, 44.3%)

HSV / HSBhsv(11.5, 73%, 69.8%)

CMYK0%, 59%, 73%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,684,144

CSS custom property--colour: #B24930;

Brightness & contrast

Relative luminance0.14443WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.4:1

Contrast with white5.4:1WCAG normal text: AA

Contrast with black3.89:1WCAG normal text: Fail

Greyscale equivalent#5E5E5E

Inverted#4DB6CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665C2Dno red cones; affects about 1% of men; ΔE 45.1 from the original

Deuteranopia#80732Dno green cones; the most common form, about 1% of men; ΔE 45.5 from the original

Tritanopia#C33244no blue cones; rare, and affects men and women equally; ΔE 19.8 from the original

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

Contrast with white, large text5.4:1WCAG large text: AAA

Contrast with black, large text3.89:1WCAG large text: AA

Named colours

Sienna · ΔE 12 Brown · ΔE 12.4 Firebrick · ΔE 15.8 Indian red · ΔE 16.7 Saddle brown · ΔE 17.3 Dark red · ΔE 20.1

Nearest named CSS colourSienna (#A0522D)ΔE 11.98, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3099B2

Analogous#B23058, #B28A30

Triadic#30B249, #4930B2

Split complementary#30B28A, #3058B2

Tetradic#58B230, #3099B2, #8A30B2

Tints, shades & saturation

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

Lighter +40%#EEC9C0

Lighter +30%#E3A698

Lighter +20%#D88470

Lighter +10%#CE6147

Darker −10%#8A3925

Darker −20%#62281A

Darker −30%#391810

Darker −40%#110705

More saturated +25%#CE3814

Less saturated −25%#965A4C

Channel breakdown

R178

G73

B48

Red178 (69.8%)

Green73 (28.6%)

Blue48 (18.8%)

Hue11.54°

Saturation (HSL)57.52%

Lightness44.31%

Dominant channelRed

Hex per channelR B2 · G 49 · B 30

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B24930 (chemical formula)

Formula
269,493.3 g/mol
24930 atoms

B24930 has a molar mass of 269,493.3 g/mol, made up of 24930 atoms across 1 element: 24930 × B.

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Molar mass

Molar mass269,493.3 g/mol

Total atoms per molecule24930

Distinct elements1

Mass of one molecule4.4750415 × 10^-19 g

Molecules per gram2.2346161 × 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 × 24930)269,493.3 g/mol, 100%

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Elements in this formula

Boron

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