Recognised as Colour

#FB1172

#FB1172
Red
Dark
Nearest: Deep pink

#FB1172 is a red with RGB values 251, 17, 114 and HSL 335°, 97%, 53%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Deep pink.

Colour values

#FB1172#FB1172

HEX#FB1172

RGBrgb(251, 17, 114)

RGB (0–1)0.9843, 0.0667, 0.4471

RGB percentages98.4%, 6.7%, 44.7%

HSLhsl(335.1, 96.7%, 52.5%)

HSV / HSBhsv(335.1, 93.2%, 98.4%)

CMYK0%, 93.2%, 54.6%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,454,002

CSS custom property--colour: #FB1172;

Brightness & contrast

Relative luminance0.22125WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.43:1

Contrast with white3.87:1WCAG normal text: Fail

Contrast with black5.43:1WCAG normal text: AA

Greyscale equivalent#4A4A4A

Inverted#04EE8D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#616673no red cones; affects about 1% of men; ΔE 83.5 from the original

Deuteranopia#99916Dno green cones; the most common form, about 1% of men; ΔE 85.1 from the original

Tritanopia#FF0045no blue cones; rare, and affects men and women equally; ΔE 26.5 from the original

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

Contrast with white, large text3.87:1WCAG large text: AA

Contrast with black, large text5.43:1WCAG large text: AAA

Named colours

Deep pink · ΔE 17.4 Crimson · ΔE 25.6 Medium violet red · ΔE 30 Hot pink · ΔE 30.2 Pale violetred · ΔE 38.1 Indian red · ΔE 38.2

Nearest named CSS colourDeep pink (#FF1493)ΔE 17.43, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#11FB9A

Analogous#FB11E7, #FB2511

Triadic#72FB11, #1172FB

Split complementary#11FB25, #11E7FB

Tetradic#E7FB11, #11FB9A, #2511FB

Tints, shades & saturation

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

Lighter +40%#FEDAE9

Lighter +30%#FEA7CB

Lighter +20%#FD75AD

Lighter +10%#FC4390

Darker −10%#D5045B

Darker −20%#A30345

Darker −30%#710230

Darker −40%#3F011B

More saturated +25%#FF0D71

Less saturated −25%#DD2F77

Channel breakdown

R251

G17

B114

Red251 (98.4%)

Green17 (6.7%)

Blue114 (44.7%)

Hue335.13°

Saturation (HSL)96.69%

Lightness52.55%

Dominant channelRed

Hex per channelR FB · G 11 · B 72

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FB1172 (chemical formula)

Formula
12,688.318 g/mol
1173 atoms

FB1172 has a molar mass of 12,688.318 g/mol, made up of 1173 atoms across 2 elements: 1 × F, 1172 × B.

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Molar mass

Molar mass12,688.318 g/mol

Total atoms per molecule1173

Distinct elements2

Mass of one molecule2.1069448 × 10^-20 g

Molecules per gram4.7462089 × 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

F0.1%

B99.9%

Fluorine (F)18.998 g/mol, 0.15%

Boron (B × 1172)12,669.32 g/mol, 99.85%

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