Recognised as Colour

#B75058

#B75058
Red
Dark
Nearest: Indian red

#B75058 is a red with RGB values 183, 80, 88 and HSL 355°, 42%, 52%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B75058#B75058

HEX#B75058

RGBrgb(183, 80, 88)

RGB (0–1)0.7176, 0.3137, 0.3451

RGB percentages71.8%, 31.4%, 34.5%

HSLhsl(355.3, 41.7%, 51.6%)

HSV / HSBhsv(355.3, 56.3%, 71.8%)

CMYK0%, 56.3%, 51.9%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,013,656

CSS custom property--colour: #B75058;

Brightness & contrast

Relative luminance0.16509WCAG 2.x, 0 is black and 1 is white

Perceived brightness121 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.88:1

Contrast with white4.88:1WCAG normal text: AA

Contrast with black4.3:1WCAG normal text: Fail

Greyscale equivalent#666666

Inverted#48AFA7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#676458no red cones; affects about 1% of men; ΔE 44.8 from the original

Deuteranopia#817956no green cones; the most common form, about 1% of men; ΔE 45.4 from the original

Tritanopia#C74053no blue cones; rare, and affects men and women equally; ΔE 12.6 from the original

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

Contrast with white, large text4.88:1WCAG large text: AAA

Contrast with black, large text4.3:1WCAG large text: AA

Named colours

Indian red · ΔE 8.6 Light coral · ΔE 18.8 Brown · ΔE 19 Pale violetred · ΔE 20.6 Salmon · ΔE 23.7 Sienna · ΔE 23.8

Nearest named CSS colourIndian red (#CD5C5C)ΔE 8.62, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#50B7AF

Analogous#B7508B, #B77B50

Triadic#58B750, #5058B7

Split complementary#50B77B, #508CB7

Tetradic#8CB750, #50B7AF, #7B50B7

Tints, shades & saturation

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

Lighter +40%#F2E1E2

Lighter +30%#E4BCBF

Lighter +20%#D5989D

Lighter +10%#C6747A

Darker −10%#963E45

Darker −20%#722F34

Darker −30%#4E2024

Darker −40%#2A1113

More saturated +25%#D6313E

Less saturated −25%#986F72

Channel breakdown

R183

G80

B88

Red183 (71.8%)

Green80 (31.4%)

Blue88 (34.5%)

Hue355.34°

Saturation (HSL)41.7%

Lightness51.57%

Dominant channelRed

Hex per channelR B7 · G 50 · B 58

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B75058 (chemical formula)

Formula
811,376.98 g/mol
75058 atoms

B75058 has a molar mass of 811,376.98 g/mol, made up of 75058 atoms across 1 element: 75058 × B.

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Molar mass

Molar mass811,376.98 g/mol

Total atoms per molecule75058

Distinct elements1

Mass of one molecule1.3473232 × 10^-18 g

Molecules per gram7.4221243 × 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 × 75058)811,376.98 g/mol, 100%

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Elements in this formula

Boron

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