Recognised as Colour

#B7293C

#B7293C
Red
Dark
Nearest: Brown

#B7293C is a red with RGB values 183, 41, 60 and HSL 352°, 63%, 44%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B7293C#B7293C

HEX#B7293C

RGBrgb(183, 41, 60)

RGB (0–1)0.7176, 0.1608, 0.2353

RGB percentages71.8%, 16.1%, 23.5%

HSLhsl(352, 63.4%, 43.9%)

HSV / HSBhsv(352, 77.6%, 71.8%)

CMYK0%, 77.6%, 67.2%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,003,644

CSS custom property--colour: #B7293C;

Brightness & contrast

Relative luminance0.11979WCAG 2.x, 0 is black and 1 is white

Perceived brightness106.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.18:1

Contrast with white6.18:1WCAG normal text: AA

Contrast with black3.4:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#48D6C3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#534E3Cno red cones; affects about 1% of men; ΔE 59.8 from the original

Deuteranopia#766C38no green cones; the most common form, about 1% of men; ΔE 60.5 from the original

Tritanopia#C90032no blue cones; rare, and affects men and women equally; ΔE 14.2 from the original

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

Contrast with white, large text6.18:1WCAG large text: AAA

Contrast with black, large text3.4:1WCAG large text: AA

Named colours

Brown · ΔE 9.6 Firebrick · ΔE 13 Indian red · ΔE 17.1 Crimson · ΔE 17.9 Dark red · ΔE 21.8 Maroon · ΔE 22.2

Nearest named CSS colourBrown (#A52A2A)ΔE 9.59, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#29B7A4

Analogous#B72983, #B75D29

Triadic#3CB729, #293CB7

Split complementary#29B75D, #2983B7

Tetradic#83B729, #29B7A4, #5D29B7

Tints, shades & saturation

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

Lighter +40%#F0BCC3

Lighter +30%#E7929E

Lighter +20%#DD6978

Lighter +10%#D43F53

Darker −10%#8D202E

Darker −20%#641621

Darker −30%#3A0D13

Darker −40%#100405

More saturated +25%#D30D27

Less saturated −25%#9B4551

Channel breakdown

R183

G41

B60

Red183 (71.8%)

Green41 (16.1%)

Blue60 (23.5%)

Hue351.97°

Saturation (HSL)63.39%

Lightness43.92%

Dominant channelRed

Hex per channelR B7 · G 29 · B 3C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B7293C (chemical formula)

Formula
78,849.341 g/mol
7294 atoms

B7293C has a molar mass of 78,849.341 g/mol, made up of 7294 atoms across 2 elements: 7293 × B, 1 × C.

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Molar mass

Molar mass78,849.341 g/mol

Total atoms per molecule7294

Distinct elements2

Mass of one molecule1.3093241 × 10^-19 g

Molecules per gram7.6375283 × 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%

C0%

Boron (B × 7293)78,837.33 g/mol, 99.985%

Carbon (C)12.011 g/mol, 0.015%

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