Recognised as Colour

#B30344

#B30344
Red
Dark
Nearest: Brown

#B30344 is a red with RGB values 179, 3, 68 and HSL 338°, 97%, 36%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B30344#B30344

HEX#B30344

RGBrgb(179, 3, 68)

RGB (0–1)0.702, 0.0118, 0.2667

RGB percentages70.2%, 1.2%, 26.7%

HSLhsl(337.8, 96.7%, 35.7%)

HSV / HSBhsv(337.8, 98.3%, 70.2%)

CMYK0%, 98.3%, 62%, 29.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,731,780

CSS custom property--colour: #B30344;

Brightness & contrast

Relative luminance0.10066WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.97:1

Contrast with white6.97:1WCAG normal text: AA

Contrast with black3.01:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#4CFCBB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#444445no red cones; affects about 1% of men; ΔE 65.5 from the original

Deuteranopia#6D6540no green cones; the most common form, about 1% of men; ΔE 66.4 from the original

Tritanopia#C50027no blue cones; rare, and affects men and women equally; ΔE 23.4 from the original

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

Contrast with white, large text6.97:1WCAG large text: AAA

Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Brown · ΔE 20.3 Crimson · ΔE 21.8 Firebrick · ΔE 23.4 Indian red · ΔE 24.9 Maroon · ΔE 29.9 Dark red · ΔE 30.3

Nearest named CSS colourBrown (#A52A2A)ΔE 20.26, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03B372

Analogous#B3039C, #B31A03

Triadic#44B303, #0344B3

Split complementary#03B31A, #039CB3

Tetradic#9CB303, #03B372, #1A03B3

Tints, shades & saturation

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

Lighter +40%#FD85B1

Lighter +30%#FC5391

Lighter +20%#FB2171

Lighter +10%#E50457

Darker −10%#810231

Darker −20%#4F011E

Darker −30%#1D000B

Darker −40%#000000

More saturated +25%#B60043

Less saturated −25%#9C1A4A

Channel breakdown

R179

B68

Red179 (70.2%)

Green3 (1.2%)

Blue68 (26.7%)

Hue337.84°

Saturation (HSL)96.7%

Lightness35.69%

Dominant channelRed

Hex per channelR B3 · G 03 · B 44

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B30344 (chemical formula)

Formula
328,018.64 g/mol
30344 atoms

B30344 has a molar mass of 328,018.64 g/mol, made up of 30344 atoms across 1 element: 30344 × B.

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Molar mass

Molar mass328,018.64 g/mol

Total atoms per molecule30344

Distinct elements1

Mass of one molecule5.4468777 × 10^-19 g

Molecules per gram1.8359142 × 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 × 30344)328,018.64 g/mol, 100%

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Elements in this formula

Boron

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