Colour

#BB1934

#BB1934
Red
Dark
Nearest: Firebrick

#BB1934 is a red with RGB values 187, 25, 52 and HSL 350°, 76%, 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

#BB1934#BB1934

HEX#BB1934

RGBrgb(187, 25, 52)

RGB (0–1)0.7333, 0.098, 0.2039

RGB percentages73.3%, 9.8%, 20.4%

HSLhsl(350, 76.4%, 41.6%)

HSV / HSBhsv(350, 86.6%, 73.3%)

CMYK0%, 86.6%, 72.2%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,261,684

CSS custom property--colour: #BB1934;

Brightness & contrast

Relative luminance0.11508WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.36:1

Contrast with white6.36:1WCAG normal text: AA

Contrast with black3.3:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#44E6CB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4A34no red cones; affects about 1% of men; ΔE 65.5 from the original

Deuteranopia#776B2Eno green cones; the most common form, about 1% of men; ΔE 65.2 from the original

Tritanopia#CE0026no blue cones; rare, and affects men and women equally; ΔE 14.7 from the original

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

Contrast with white, large text6.36:1WCAG large text: AAA

Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Firebrick · ΔE 10.3 Brown · ΔE 12 Crimson · ΔE 12.6 Dark red · ΔE 20.2 Maroon · ΔE 21.9 Indian red · ΔE 22

Nearest named CSS colourFirebrick (#B22222)ΔE 10.27, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19BBA0

Analogous#BB1985, #BB4F19

Triadic#34BB19, #1934BB

Split complementary#19BB4F, #1985BB

Tetradic#85BB19, #19BBA0, #4F19BB

Tints, shades & saturation

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

Lighter +40%#F4ACB8

Lighter +30%#EE7F92

Lighter +20%#E8526B

Lighter +10%#E22545

Darker −10%#8E1327

Darker −20%#610D1B

Darker −30%#34070E

Darker −40%#070102

More saturated +25%#D40023

Less saturated −25%#A13446

Channel breakdown

R187

G25

B52

Red187 (73.3%)

Green25 (9.8%)

Blue52 (20.4%)

Hue350°

Saturation (HSL)76.42%

Lightness41.57%

Dominant channelRed

Hex per channelR BB · G 19 · B 34

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB1934 (chemical formula)

Formula
20,917.35 g/mol
1935 atoms

BB1934 has a molar mass of 20,917.35 g/mol, made up of 1935 atoms across 1 element: 1935 × B.

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Molar mass

Molar mass20,917.35 g/mol

Total atoms per molecule1935

Distinct elements1

Mass of one molecule3.4734077 × 10^-20 g

Molecules per gram2.8790171 × 10^19

Composition by mass

B100%

Boron (B × 1935)20,917.35 g/mol, 100%

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Elements in this formula

Boron

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