Recognised as Colour

#B9044B

#B9044B
Red
Dark
Nearest: Crimson

#B9044B is a red with RGB values 185, 4, 75 and HSL 336°, 96%, 37%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#B9044B#B9044B

HEX#B9044B

RGBrgb(185, 4, 75)

RGB (0–1)0.7255, 0.0157, 0.2941

RGB percentages72.5%, 1.6%, 29.4%

HSLhsl(336.5, 95.8%, 37.1%)

HSV / HSBhsv(336.5, 97.8%, 72.5%)

CMYK0%, 97.8%, 59.5%, 27.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,125,259

CSS custom property--colour: #B9044B;

Brightness & contrast

Relative luminance0.10909WCAG 2.x, 0 is black and 1 is white

Perceived brightness104.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.6:1

Contrast with white6.6:1WCAG normal text: AA

Contrast with black3.18:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#46FBB4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#46474Cno red cones; affects about 1% of men; ΔE 66.8 from the original

Deuteranopia#706947no green cones; the most common form, about 1% of men; ΔE 68.3 from the original

Tritanopia#CB002Bno blue cones; rare, and affects men and women equally; ΔE 25 from the original

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

Contrast with white, large text6.6:1WCAG large text: AAA

Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Crimson · ΔE 22.7 Brown · ΔE 23.2 Indian red · ΔE 26 Firebrick · ΔE 26.1 Medium violet red · ΔE 29.4 Pale violetred · ΔE 31.3

Nearest named CSS colourCrimson (#DC143C)ΔE 22.7, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04B972

Analogous#B904A5, #B91804

Triadic#4BB904, #044BB9

Split complementary#04B918, #04A5B9

Tetradic#A5B904, #04B972, #1804B9

Tints, shades & saturation

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

Lighter +40%#FD8CB8

Lighter +30%#FB5B9A

Lighter +20%#FA297B

Lighter +10%#EB055F

Darker −10%#870337

Darker −20%#550223

Darker −30%#23010E

Darker −40%#000000

More saturated +25%#BD004A

Less saturated −25%#A11C50

Channel breakdown

R185

B75

Red185 (72.5%)

Green4 (1.6%)

Blue75 (29.4%)

Hue336.46°

Saturation (HSL)95.77%

Lightness37.06%

Dominant channelRed

Hex per channelR B9 · G 04 · B 4B

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

B9044B (chemical formula)

Formula
97,776.45 g/mol
9045 atoms

B9044B has a molar mass of 97,776.45 g/mol, made up of 9045 atoms across 1 element: 9045 × B.

Open this reading on its own page →

Molar mass

Molar mass97,776.45 g/mol

Total atoms per molecule9045

Distinct elements1

Mass of one molecule1.6236162 × 10^-19 g

Molecules per gram6.1590912 × 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%

Boron (B × 9045)97,776.45 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Boron

Nerdulate something else

Nothing in mind? Surprise me · today’s page