Recognised as Colour

#B30058

#B30058
Red
Dark
Nearest: Medium violet red

#B30058 is a red with RGB values 179, 0, 88 and HSL 331°, 100%, 35%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#B30058#B30058

HEX#B30058

RGBrgb(179, 0, 88)

RGB (0–1)0.702, 0, 0.3451

RGB percentages70.2%, 0%, 34.5%

HSLhsl(330.5, 100%, 35.1%)

HSV / HSBhsv(330.5, 100%, 70.2%)

CMYK0%, 100%, 50.8%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,731,032

CSS custom property--colour: #B30058;

Brightness & contrast

Relative luminance0.10288WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.87:1

Contrast with white6.87:1WCAG normal text: AA

Contrast with black3.06:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#4CFFA7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E4659no red cones; affects about 1% of men; ΔE 65.5 from the original

Deuteranopia#6A6554no green cones; the most common form, about 1% of men; ΔE 66.5 from the original

Tritanopia#C30032no 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 text6.87:1WCAG large text: AAA

Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Medium violet red · ΔE 20.3 Deep pink · ΔE 27.8 Pale violetred · ΔE 29.5 Hot pink · ΔE 30.4 Brown · ΔE 31.4 Indian red · ΔE 31.5

Nearest named CSS colourMedium violet red (#C71585)ΔE 20.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B35B

Analogous#B300B1, #B30200

Triadic#58B300, #0058B3

Split complementary#00B302, #00B1B3

Tetradic#B1B300, #00B35B, #0200B3

Tints, shades & saturation

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

Lighter +40%#FF80BE

Lighter +30%#FF4DA5

Lighter +20%#FF1A8B

Lighter +10%#E60071

Darker −10%#80003F

Darker −20%#4D0026

Darker −30%#1A000D

Darker −40%#000000

More saturated +25%#B30058

Less saturated −25%#9D1658

Channel breakdown

R179

B88

Red179 (70.2%)

Green0 (0%)

Blue88 (34.5%)

Hue330.5°

Saturation (HSL)100%

Lightness35.1%

Dominant channelRed

Hex per channelR B3 · G 00 · B 58

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B30058 (chemical formula)

Formula
324,926.98 g/mol
30058 atoms

B30058 has a molar mass of 324,926.98 g/mol, made up of 30058 atoms across 1 element: 30058 × B.

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Molar mass

Molar mass324,926.98 g/mol

Total atoms per molecule30058

Distinct elements1

Mass of one molecule5.3955394 × 10^-19 g

Molecules per gram1.8533828 × 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 × 30058)324,926.98 g/mol, 100%

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Elements in this formula

Boron

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