Recognised as Colour

#F31467

#F31467
Red
Dark
Nearest: Crimson

#F31467 is a red with RGB values 243, 20, 103 and HSL 338°, 90%, 52%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#F31467#F31467

HEX#F31467

RGBrgb(243, 20, 103)

RGB (0–1)0.9529, 0.0784, 0.4039

RGB percentages95.3%, 7.8%, 40.4%

HSLhsl(337.7, 90.3%, 51.6%)

HSV / HSBhsv(337.7, 91.8%, 95.3%)

CMYK0%, 91.8%, 57.6%, 4.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,930,471

CSS custom property--colour: #F31467;

Brightness & contrast

Relative luminance0.20534WCAG 2.x, 0 is black and 1 is white

Perceived brightness138.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.11:1

Contrast with white4.11:1WCAG normal text: Fail

Contrast with black5.11:1WCAG normal text: AA

Greyscale equivalent#494949

Inverted#0CEB98

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#606268no red cones; affects about 1% of men; ΔE 81.1 from the original

Deuteranopia#968C62no green cones; the most common form, about 1% of men; ΔE 82.2 from the original

Tritanopia#FF003Fno blue cones; rare, and affects men and women equally; ΔE 26 from the original

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

Contrast with white, large text4.11:1WCAG large text: AA

Contrast with black, large text5.11:1WCAG large text: AAA

Named colours

Crimson · ΔE 20.5 Deep pink · ΔE 22.2 Medium violet red · ΔE 32.4 Hot pink · ΔE 32.5 Indian red · ΔE 34.5 Firebrick · ΔE 34.5

Nearest named CSS colourCrimson (#DC143C)ΔE 20.5, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#14F3A0

Analogous#F314D6, #F33114

Triadic#67F314, #1467F3

Split complementary#14F331, #14D6F3

Tetradic#D6F314, #14F3A0, #3114F3

Tints, shades & saturation

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

Lighter +40%#FDD6E5

Lighter +30%#FAA6C5

Lighter +20%#F875A6

Lighter +10%#F54586

Darker −10%#CA0A52

Darker −20%#99083E

Darker −30%#69052A

Darker −40%#380317

More saturated +25%#FF0864

Less saturated −25%#D4336F

Channel breakdown

R243

G20

B103

Red243 (95.3%)

Green20 (7.8%)

Blue103 (40.4%)

Hue337.67°

Saturation (HSL)90.28%

Lightness51.57%

Dominant channelRed

Hex per channelR F3 · G 14 · B 67

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

F31467 (chemical formula)

Formula
597,810.066 g/mol
31467 atoms

F31467 has a molar mass of 597,810.066 g/mol, made up of 31467 atoms across 1 element: 31467 × F.

Open this reading on its own page →

Molar mass

Molar mass597,810.066 g/mol

Total atoms per molecule31467

Distinct elements1

Mass of one molecule9.9268697 × 10^-19 g

Molecules per gram1.0073669 × 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

F100%

Fluorine (F × 31467)597,810.066 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

Fluorine

Nerdulate something else

Nothing in mind? Surprise me · today’s page