Recognised as Colour

#BF2C1F

#BF2C1F
Red
Dark
Nearest: Firebrick

#BF2C1F is a red with RGB values 191, 44, 31 and HSL 5°, 72%, 44%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BF2C1F#BF2C1F

HEX#BF2C1F

RGBrgb(191, 44, 31)

RGB (0–1)0.749, 0.1725, 0.1216

RGB percentages74.9%, 17.3%, 12.2%

HSLhsl(4.9, 72.1%, 43.5%)

HSV / HSBhsv(4.9, 83.8%, 74.9%)

CMYK0%, 77%, 83.8%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,528,671

CSS custom property--colour: #BF2C1F;

Brightness & contrast

Relative luminance0.12977WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.84:1

Contrast with white5.84:1WCAG normal text: AA

Contrast with black3.6:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#40D3E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5A501Bno red cones; affects about 1% of men; ΔE 61.6 from the original

Deuteranopia#7E7016no green cones; the most common form, about 1% of men; ΔE 61.5 from the original

Tritanopia#D3002Bno blue cones; rare, and affects men and women equally; ΔE 13.9 from the original

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

Contrast with white, large text5.84:1WCAG large text: AAA

Contrast with black, large text3.6:1WCAG large text: AA

Named colours

Firebrick · ΔE 7 Brown · ΔE 15.7 Dark red · ΔE 15.9 Crimson · ΔE 17.9 Tomato · ΔE 19.7 Maroon · ΔE 20.1

Nearest named CSS colourFirebrick (#B22222)ΔE 7.02, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1FB2BF

Analogous#BF1F62, #BF7C1F

Triadic#1FBF2C, #2C1FBF

Split complementary#1FBF7C, #1F62BF

Tetradic#62BF1F, #1FB2BF, #7C1FBF

Tints, shades & saturation

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

Lighter +40%#F3BCB7

Lighter +30%#EC938B

Lighter +20%#E56A5F

Lighter +10%#DE4133

Darker −10%#932218

Darker −20%#671811

Darker −30%#3B0E0A

Darker −40%#0F0403

More saturated +25%#DB1503

Less saturated −25%#A3433B

Channel breakdown

R191

G44

B31

Red191 (74.9%)

Green44 (17.3%)

Blue31 (12.2%)

Hue4.88°

Saturation (HSL)72.07%

Lightness43.53%

Dominant channelRed

Hex per channelR BF · G 2C · B 1F

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

BF2C1F (chemical formula)

Formula
79.815 g/mol
5 atoms

BF2C1F has a molar mass of 79.815 g/mol, made up of 5 atoms across 3 elements: 1 × B, 3 × F, 1 × C.

Open this reading on its own page →

Molar mass

Molar mass79.815 g/mol

Total atoms per molecule5

Distinct elements3

Mass of one molecule1.3253593 × 10^-22 g

Molecules per gram7.545124 × 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

B13.5%

F71.4%

C15%

Boron (B)10.81 g/mol, 13.544%

Fluorine (F × 3)56.994 g/mol, 71.408%

Carbon (C)12.011 g/mol, 15.049%

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