Recognised as Colour

#BA4031

#BA4031
Red
Dark
Nearest: Brown

#BA4031 is a red with RGB values 186, 64, 49 and HSL 7°, 58%, 46%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#BA4031#BA4031

HEX#BA4031

RGBrgb(186, 64, 49)

RGB (0–1)0.7294, 0.251, 0.1922

RGB percentages72.9%, 25.1%, 19.2%

HSLhsl(6.6, 58.3%, 46.1%)

HSV / HSBhsv(6.6, 73.7%, 72.9%)

CMYK0%, 65.6%, 73.7%, 27.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,206,129

CSS custom property--colour: #BA4031;

Brightness & contrast

Relative luminance0.14328WCAG 2.x, 0 is black and 1 is white

Perceived brightness114.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.43:1

Contrast with white5.43:1WCAG normal text: AA

Contrast with black3.87:1WCAG normal text: Fail

Greyscale equivalent#595959

Inverted#45BFCE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#62592Fno red cones; affects about 1% of men; ΔE 52.5 from the original

Deuteranopia#80742Dno green cones; the most common form, about 1% of men; ΔE 53.2 from the original

Tritanopia#CC1F3Dno blue cones; rare, and affects men and women equally; ΔE 17.9 from the original

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

Contrast with white, large text5.43:1WCAG large text: AAA

Contrast with black, large text3.87:1WCAG large text: AA

Named colours

Brown · ΔE 8.9 Firebrick · ΔE 9.7 Indian red · ΔE 16.4 Dark red · ΔE 17.8 Sienna · ΔE 19 Maroon · ΔE 19.3

Nearest named CSS colourBrown (#A52A2A)ΔE 8.9, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#31ABBA

Analogous#BA3166, #BA8431

Triadic#31BA40, #4031BA

Split complementary#31BA84, #3167BA

Tetradic#67BA31, #31ABBA, #8431BA

Tints, shades & saturation

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

Lighter +40%#F0CBC7

Lighter +30%#E6A69E

Lighter +20%#DB8176

Lighter +10%#D05C4E

Darker −10%#923226

Darker −20%#69241C

Darker −30%#411611

Darker −40%#190806

More saturated +25%#D72914

Less saturated −25%#9D574E

Channel breakdown

R186

G64

B49

Red186 (72.9%)

Green64 (25.1%)

Blue49 (19.2%)

Hue6.57°

Saturation (HSL)58.3%

Lightness46.08%

Dominant channelRed

Hex per channelR BA · G 40 · B 31

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ba4031 (chemical formula)

Formula
553,577.23 g/mol
4031 atoms

Ba4031 has a molar mass of 553,577.23 g/mol, made up of 4031 atoms across 1 element: 4031 × Ba.

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Molar mass

Molar mass553,577.23 g/mol

Total atoms per molecule4031

Distinct elements1

Mass of one molecule9.1923662 × 10^-19 g

Molecules per gram1.0878592 × 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

Ba100%

Barium (Ba × 4031)553,577.23 g/mol, 100%

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Elements in this formula

Barium

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