Recognised as Colour

#B70657

#B70657
Red
Dark
Nearest: Medium violet red

#B70657 is a red with RGB values 183, 6, 87 and HSL 333°, 94%, 37%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#B70657#B70657

HEX#B70657

RGBrgb(183, 6, 87)

RGB (0–1)0.7176, 0.0235, 0.3412

RGB percentages71.8%, 2.4%, 34.1%

HSLhsl(332.5, 93.7%, 37.1%)

HSV / HSBhsv(332.5, 96.7%, 71.8%)

CMYK0%, 96.7%, 52.5%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,994,711

CSS custom property--colour: #B70657;

Brightness & contrast

Relative luminance0.10886WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.61:1

Contrast with white6.61:1WCAG normal text: AA

Contrast with black3.18:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#48F9A8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#424858no red cones; affects about 1% of men; ΔE 65.9 from the original

Deuteranopia#6D6853no green cones; the most common form, about 1% of men; ΔE 67.4 from the original

Tritanopia#C80032no blue cones; rare, and affects men and women equally; ΔE 27.7 from the original

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

Contrast with white, large text6.61:1WCAG large text: AAA

Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Medium violet red · ΔE 22 Deep pink · ΔE 27.9 Pale violetred · ΔE 29.2 Brown · ΔE 29.6 Indian red · ΔE 29.8 Crimson · ΔE 29.9

Nearest named CSS colourMedium violet red (#C71585)ΔE 21.98, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#06B766

Analogous#B706AF, #B70E06

Triadic#57B706, #0657B7

Split complementary#06B70E, #06AFB7

Tetradic#AFB706, #06B766, #0E06B7

Tints, shades & saturation

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

Lighter +40%#FB8EC0

Lighter +30%#FA5CA4

Lighter +20%#F82B89

Lighter +10%#E8086E

Darker −10%#860440

Darker −20%#540328

Darker −30%#230111

Darker −40%#000000

More saturated +25%#BD0056

Less saturated −25%#9F1E59

Channel breakdown

R183

B87

Red183 (71.8%)

Green6 (2.4%)

Blue87 (34.1%)

Hue332.54°

Saturation (HSL)93.65%

Lightness37.06%

Dominant channelRed

Hex per channelR B7 · G 06 · B 57

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B70657 (chemical formula)

Formula
763,802.17 g/mol
70657 atoms

B70657 has a molar mass of 763,802.17 g/mol, made up of 70657 atoms across 1 element: 70657 × B.

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Molar mass

Molar mass763,802.17 g/mol

Total atoms per molecule70657

Distinct elements1

Mass of one molecule1.2683233 × 10^-18 g

Molecules per gram7.8844248 × 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 × 70657)763,802.17 g/mol, 100%

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Elements in this formula

Boron

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