Recognised as Colour

#B73244

#B73244
Red
Dark
Nearest: Brown

#B73244 is a red with RGB values 183, 50, 68 and HSL 352°, 57%, 46%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B73244#B73244

HEX#B73244

RGBrgb(183, 50, 68)

RGB (0–1)0.7176, 0.1961, 0.2667

RGB percentages71.8%, 19.6%, 26.7%

HSLhsl(351.9, 57.1%, 45.7%)

HSV / HSBhsv(351.9, 72.7%, 71.8%)

CMYK0%, 72.7%, 62.8%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,005,956

CSS custom property--colour: #B73244;

Brightness & contrast

Relative luminance0.12766WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.91:1

Contrast with white5.91:1WCAG normal text: AA

Contrast with black3.55:1WCAG normal text: Fail

Greyscale equivalent#505050

Inverted#48CDBB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#565244no red cones; affects about 1% of men; ΔE 56.9 from the original

Deuteranopia#786E40no green cones; the most common form, about 1% of men; ΔE 57.4 from the original

Tritanopia#C9043Ano blue cones; rare, and affects men and women equally; ΔE 15.6 from the original

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

Contrast with white, large text5.91:1WCAG large text: AAA

Contrast with black, large text3.55:1WCAG large text: AA

Named colours

Brown · ΔE 11.2 Indian red · ΔE 14.3 Firebrick · ΔE 16.7 Crimson · ΔE 21.5 Maroon · ΔE 24.4 Dark red · ΔE 24.7

Nearest named CSS colourBrown (#A52A2A)ΔE 11.18, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#32B7A5

Analogous#B73287, #B76232

Triadic#44B732, #3244B7

Split complementary#32B762, #3287B7

Tetradic#87B732, #32B7A5, #6232B7

Tints, shades & saturation

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

Lighter +40%#EFC6CB

Lighter +30%#E49EA7

Lighter +20%#D97683

Lighter +10%#CF4D5F

Darker −10%#8F2735

Darker −20%#671C26

Darker −30%#3F1117

Darker −40%#170608

More saturated +25%#D4152F

Less saturated −25%#9A4F59

Channel breakdown

R183

G50

B68

Red183 (71.8%)

Green50 (19.6%)

Blue68 (26.7%)

Hue351.88°

Saturation (HSL)57.08%

Lightness45.69%

Dominant channelRed

Hex per channelR B7 · G 32 · B 44

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

B73244 (chemical formula)

Formula
791,767.64 g/mol
73244 atoms

B73244 has a molar mass of 791,767.64 g/mol, made up of 73244 atoms across 1 element: 73244 × B.

Open this reading on its own page →

Molar mass

Molar mass791,767.64 g/mol

Total atoms per molecule73244

Distinct elements1

Mass of one molecule1.3147611 × 10^-18 g

Molecules per gram7.6059445 × 10^17

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 × 73244)791,767.64 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Boron

Nerdulate something else

Nothing in mind? Surprise me · today’s page