Recognised as Colour

#B6000F

#B6000F
Red
Dark
Nearest: Firebrick

#B6000F is a red with RGB values 182, 0, 15 and HSL 355°, 100%, 36%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#B6000F#B6000F

HEX#B6000F

RGBrgb(182, 0, 15)

RGB (0–1)0.7137, 0, 0.0588

RGB percentages71.4%, 0%, 5.9%

HSLhsl(355.1, 100%, 35.7%)

HSV / HSBhsv(355.1, 100%, 71.4%)

CMYK0%, 100%, 91.8%, 28.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,927,567

CSS custom property--colour: #B6000F;

Brightness & contrast

Relative luminance0.0998WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.01:1

Contrast with white7.01:1WCAG normal text: AAA

Contrast with black3:1WCAG normal text: Fail

Greyscale equivalent#282828

Inverted#49FFF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4B420Bno red cones; affects about 1% of men; ΔE 67.5 from the original

Deuteranopia#736500no green cones; the most common form, about 1% of men; ΔE 66.7 from the original

Tritanopia#C9000Cno blue cones; rare, and affects men and women equally; ΔE 8.5 from the original

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

Contrast with white, large text7.01:1WCAG large text: AAA

Contrast with black, large text3:1WCAG large text: Fail

Named colours

Firebrick · ΔE 10.9 Dark red · ΔE 15.8 Crimson · ΔE 18 Brown · ΔE 20.3 Maroon · ΔE 20.6 Tomato · ΔE 24.8

Nearest named CSS colourFirebrick (#B22222)ΔE 10.93, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B6A7

Analogous#B6006A, #B64C00

Triadic#0FB600, #000FB6

Split complementary#00B64C, #006AB6

Tetradic#6AB600, #00B6A7, #4C00B6

Tints, shades & saturation

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

Lighter +40%#FF838D

Lighter +30%#FF505E

Lighter +20%#FF1D30

Lighter +10%#E90013

Darker −10%#83000B

Darker −20%#500007

Darker −30%#1D0002

Darker −40%#000000

More saturated +25%#B6000F

Less saturated −25%#9F1722

Channel breakdown

R182

B15

Red182 (71.4%)

Green0 (0%)

Blue15 (5.9%)

Hue355.05°

Saturation (HSL)100%

Lightness35.69%

Dominant channelRed

Hex per channelR B6 · G 00 · B 0F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B6000F (chemical formula)

Formula
64,878.998 g/mol
6001 atoms

B6000F has a molar mass of 64,878.998 g/mol, made up of 6001 atoms across 2 elements: 6000 × B, 1 × F.

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Molar mass

Molar mass64,878.998 g/mol

Total atoms per molecule6001

Distinct elements2

Mass of one molecule1.0773411 × 10^-19 g

Molecules per gram9.2821112 × 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

B100%

F0%

Boron (B × 6000)64,860 g/mol, 99.971%

Fluorine (F)18.998 g/mol, 0.029%

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