Recognised as Colour

#BF1600

#BF1600
Red
Dark
Nearest: Firebrick

#BF1600 is a red with RGB values 191, 22, 0 and HSL 7°, 100%, 37%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BF1600#BF1600

HEX#BF1600

RGBrgb(191, 22, 0)

RGB (0–1)0.749, 0.0863, 0

RGB percentages74.9%, 8.6%, 0%

HSLhsl(6.9, 100%, 37.5%)

HSV / HSBhsv(6.9, 100%, 74.9%)

CMYK0%, 88.5%, 100%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,523,008

CSS custom property--colour: #BF1600;

Brightness & contrast

Relative luminance0.1165WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.31:1

Contrast with white6.31:1WCAG normal text: AA

Contrast with black3.33:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#40E9FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#544900no red cones; affects about 1% of men; ΔE 67.1 from the original

Deuteranopia#7B6C00no green cones; the most common form, about 1% of men; ΔE 66.2 from the original

Tritanopia#D30016no blue cones; rare, and affects men and women equally; ΔE 9.4 from the original

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

Contrast with white, large text6.31:1WCAG large text: AAA

Contrast with black, large text3.33:1WCAG large text: AA

Named colours

Firebrick · ΔE 17.8 Dark red · ΔE 21.1 Orange red · ΔE 23.1 Tomato · ΔE 23.3 Crimson · ΔE 23.6 Red · ΔE 25.7

Nearest named CSS colourFirebrick (#B22222)ΔE 17.81, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A9BF

Analogous#BF0049, #BF7600

Triadic#00BF16, #1600BF

Split complementary#00BF75, #004ABF

Tetradic#4ABF00, #00A9BF, #7500BF

Tints, shades & saturation

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

Lighter +40%#FF998C

Lighter +30%#FF6C59

Lighter +20%#FF3F26

Lighter +10%#F21C00

Darker −10%#8C1000

Darker −20%#590A00

Darker −30%#260400

Darker −40%#000000

More saturated +25%#BF1600

Less saturated −25%#A72818

Channel breakdown

R191

G22

Red191 (74.9%)

Green22 (8.6%)

Blue0 (0%)

Hue6.91°

Saturation (HSL)100%

Lightness37.45%

Dominant channelRed

Hex per channelR BF · G 16 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BF1600 (chemical formula)

Formula
30,407.61 g/mol
1601 atoms

BF1600 has a molar mass of 30,407.61 g/mol, made up of 1601 atoms across 2 elements: 1 × B, 1600 × F.

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Molar mass

Molar mass30,407.61 g/mol

Total atoms per molecule1601

Distinct elements2

Mass of one molecule5.0493024 × 10^-20 g

Molecules per gram1.9804716 × 10^19

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

B0%

F100%

Boron (B)10.81 g/mol, 0.036%

Fluorine (F × 1600)30,396.8 g/mol, 99.964%

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Elements in this formula

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