Recognised as Colour

#BA1900

#BA1900
Red
Dark
Nearest: Firebrick

#BA1900 is a red with RGB values 186, 25, 0 and HSL 8°, 100%, 36%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BA1900#BA1900

HEX#BA1900

RGBrgb(186, 25, 0)

RGB (0–1)0.7294, 0.098, 0

RGB percentages72.9%, 9.8%, 0%

HSLhsl(8.1, 100%, 36.5%)

HSV / HSBhsv(8.1, 100%, 72.9%)

CMYK0%, 86.6%, 100%, 27.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,196,096

CSS custom property--colour: #BA1900;

Brightness & contrast

Relative luminance0.11134WCAG 2.x, 0 is black and 1 is white

Perceived brightness103.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.51:1

Contrast with white6.51:1WCAG normal text: AA

Contrast with black3.23:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#45E6FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#524700no red cones; affects about 1% of men; ΔE 65 from the original

Deuteranopia#786A00no green cones; the most common form, about 1% of men; ΔE 64.5 from the original

Tritanopia#CE0018no blue cones; rare, and affects men and women equally; ΔE 10.5 from the original

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

Contrast with white, large text6.51:1WCAG large text: AAA

Contrast with black, large text3.23:1WCAG large text: AA

Named colours

Firebrick · ΔE 16.3 Dark red · ΔE 19 Tomato · ΔE 23.6 Crimson · ΔE 23.9 Maroon · ΔE 24 Orange red · ΔE 24.9

Nearest named CSS colourFirebrick (#B22222)ΔE 16.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A1BA

Analogous#BA0044, #BA7600

Triadic#00BA19, #1900BA

Split complementary#00BA76, #0044BA

Tetradic#44BA00, #00A1BA, #7600BA

Tints, shades & saturation

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

Lighter +40%#FF9787

Lighter +30%#FF6B54

Lighter +20%#FF3F21

Lighter +10%#ED2000

Darker −10%#871200

Darker −20%#540B00

Darker −30%#210400

Darker −40%#000000

More saturated +25%#BA1900

Less saturated −25%#A32A17

Channel breakdown

R186

G25

Red186 (72.9%)

Green25 (9.8%)

Blue0 (0%)

Hue8.06°

Saturation (HSL)100%

Lightness36.47%

Dominant channelRed

Hex per channelR BA · G 19 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ba1900 (chemical formula)

Formula
260,927 g/mol
1900 atoms

Ba1900 has a molar mass of 260,927 g/mol, made up of 1900 atoms across 1 element: 1900 × Ba.

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Molar mass

Molar mass260,927 g/mol

Total atoms per molecule1900

Distinct elements1

Mass of one molecule4.3327948 × 10^-19 g

Molecules per gram2.3079792 × 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 × 1900)260,927 g/mol, 100%

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Elements in this formula

Barium

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