Recognised as Colour

#FB1083

#FB1083
Red
Dark
Nearest: Deep pink

#FB1083 is a red with RGB values 251, 16, 131 and HSL 331°, 97%, 52%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Deep pink.

Colour values

#FB1083#FB1083

HEX#FB1083

RGBrgb(251, 16, 131)

RGB (0–1)0.9843, 0.0627, 0.5137

RGB percentages98.4%, 6.3%, 51.4%

HSLhsl(330.6, 96.7%, 52.4%)

HSV / HSBhsv(330.6, 93.6%, 98.4%)

CMYK0%, 93.6%, 47.8%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,453,763

CSS custom property--colour: #FB1083;

Brightness & contrast

Relative luminance0.22519WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.5:1

Contrast with white3.82:1WCAG normal text: Fail

Contrast with black5.5:1WCAG normal text: AA

Greyscale equivalent#4A4A4A

Inverted#04EF7C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C6885no red cones; affects about 1% of men; ΔE 83 from the original

Deuteranopia#96917Eno green cones; the most common form, about 1% of men; ΔE 85 from the original

Tritanopia#FF004Eno blue cones; rare, and affects men and women equally; ΔE 31 from the original

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

Contrast with white, large text3.82:1WCAG large text: AA

Contrast with black, large text5.5:1WCAG large text: AAA

Named colours

Deep pink · ΔE 7.8 Medium violet red · ΔE 22.8 Hot pink · ΔE 24.8 Crimson · ΔE 34.8 Pale violetred · ΔE 37.8 Indian red · ΔE 43.1

Nearest named CSS colourDeep pink (#FF1493)ΔE 7.76, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#10FB88

Analogous#FB10F8, #FB1310

Triadic#83FB10, #1083FB

Split complementary#10FB13, #10F8FB

Tetradic#F8FB10, #10FB88, #1310FB

Tints, shades & saturation

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

Lighter +40%#FED9EB

Lighter +30%#FEA6D1

Lighter +20%#FD74B7

Lighter +10%#FC429D

Darker −10%#D4046A

Darker −20%#A20351

Darker −30%#700238

Darker −40%#3E011F

More saturated +25%#FF0C83

Less saturated −25%#DD2E84

Channel breakdown

R251

G16

B131

Red251 (98.4%)

Green16 (6.3%)

Blue131 (51.4%)

Hue330.64°

Saturation (HSL)96.71%

Lightness52.35%

Dominant channelRed

Hex per channelR FB · G 10 · B 83

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FB1083 (chemical formula)

Formula
11,726.228 g/mol
1084 atoms

FB1083 has a molar mass of 11,726.228 g/mol, made up of 1084 atoms across 2 elements: 1 × F, 1083 × B.

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Molar mass

Molar mass11,726.228 g/mol

Total atoms per molecule1084

Distinct elements2

Mass of one molecule1.947186 × 10^-20 g

Molecules per gram5.1356163 × 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

F0.2%

B99.8%

Fluorine (F)18.998 g/mol, 0.162%

Boron (B × 1083)11,707.23 g/mol, 99.838%

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Elements in this formula

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