Recognised as Colour

#BA1B29

#BA1B29
Red
Dark
Nearest: Firebrick

#BA1B29 is a red with RGB values 186, 27, 41 and HSL 355°, 75%, 42%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BA1B29#BA1B29

HEX#BA1B29

RGBrgb(186, 27, 41)

RGB (0–1)0.7294, 0.1059, 0.1608

RGB percentages72.9%, 10.6%, 16.1%

HSLhsl(354.7, 74.6%, 41.8%)

HSV / HSBhsv(354.7, 85.5%, 72.9%)

CMYK0%, 85.5%, 78%, 27.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,196,649

CSS custom property--colour: #BA1B29;

Brightness & contrast

Relative luminance0.11383WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.41:1

Contrast with white6.41:1WCAG normal text: AA

Contrast with black3.28:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#45E4D6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#514928no red cones; affects about 1% of men; ΔE 64.4 from the original

Deuteranopia#776B22no green cones; the most common form, about 1% of men; ΔE 64.9 from the original

Tritanopia#CD0023no blue cones; rare, and affects men and women equally; ΔE 11.5 from the original

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

Contrast with white, large text6.41:1WCAG large text: AAA

Contrast with black, large text3.28:1WCAG large text: AA

Named colours

Firebrick · ΔE 5 Brown · ΔE 11.8 Crimson · ΔE 12.9 Dark red · ΔE 16.3 Maroon · ΔE 19.2 Indian red · ΔE 24.1

Nearest named CSS colourFirebrick (#B22222)ΔE 4.96, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1BBAAC

Analogous#BA1B78, #BA5D1B

Triadic#29BA1B, #1B29BA

Split complementary#1BBA5D, #1B78BA

Tetradic#78BA1B, #1BBAAC, #5D1BBA

Tints, shades & saturation

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

Lighter +40%#F3AEB4

Lighter +30%#ED818B

Lighter +20%#E65562

Lighter +10%#E02838

Darker −10%#8D151F

Darker −20%#610E15

Darker −30%#34080C

Darker −40%#080102

More saturated +25%#D50013

Less saturated −25%#9F363F

Channel breakdown

R186

G27

B41

Red186 (72.9%)

Green27 (10.6%)

Blue41 (16.1%)

Hue354.72°

Saturation (HSL)74.65%

Lightness41.76%

Dominant channelRed

Hex per channelR BA · G 1B · B 29

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

Ba1B29 (chemical formula)

Formula
450.82 g/mol
30 atoms

Ba1B29 has a molar mass of 450.82 g/mol, made up of 30 atoms across 2 elements: 1 × Ba, 29 × B.

Open this reading on its own page →

Molar mass

Molar mass450.82 g/mol

Total atoms per molecule30

Distinct elements2

Mass of one molecule7.4860422 × 10^-22 g

Molecules per gram1.3358193 × 10^21

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

Ba30.5%

B69.5%

Barium (Ba)137.33 g/mol, 30.462%

Boron (B × 29)313.49 g/mol, 69.538%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page