Recognised as Colour

#FF3670

#FF3670
Red
Dark
Nearest: Crimson

#FF3670 is a red with RGB values 255, 54, 112 and HSL 343°, 100%, 61%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF3670#FF3670

HEX#FF3670

RGBrgb(255, 54, 112)

RGB (0–1)1, 0.2118, 0.4392

RGB percentages100%, 21.2%, 43.9%

HSLhsl(342.7, 100%, 60.6%)

HSV / HSBhsv(342.7, 78.8%, 100%)

CMYK0%, 78.8%, 56.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,725,616

CSS custom property--colour: #FF3670;

Brightness & contrast

Relative luminance0.25068WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.01:1

Contrast with white3.49:1WCAG normal text: Fail

Contrast with black6.01:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#00C98F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F6F71no red cones; affects about 1% of men; ΔE 78.2 from the original

Deuteranopia#A2986Bno green cones; the most common form, about 1% of men; ΔE 79.8 from the original

Tritanopia#FF0050no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original

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

Contrast with white, large text3.49:1WCAG large text: AA

Contrast with black, large text6.01:1WCAG large text: AAA

Named colours

Crimson · ΔE 20.2 Deep pink · ΔE 24.2 Hot pink · ΔE 30.9 Indian red · ΔE 31.7 Firebrick · ΔE 34 Light coral · ΔE 34.3

Nearest named CSS colourCrimson (#DC143C)ΔE 20.19, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#36FFC5

Analogous#FF36D4, #FF6136

Triadic#70FF36, #3670FF

Split complementary#36FF61, #36D4FF

Tetradic#D4FF36, #36FFC5, #6136FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFCFDD

Lighter +20%#FF9CB9

Lighter +10%#FF6994

Darker −10%#FF034C

Darker −20%#CF003C

Darker −30%#9C002D

Darker −40%#69001E

More saturated +25%#FF3670

Less saturated −25%#E64F7B

Channel breakdown

R255

G54

B112

Red255 (100%)

Green54 (21.2%)

Blue112 (43.9%)

Hue342.69°

Saturation (HSL)100%

Lightness60.59%

Dominant channelRed

Hex per channelR FF · G 36 · B 70

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF3670 (chemical formula)

Formula
69,741.658 g/mol
3671 atoms

FF3670 has a molar mass of 69,741.658 g/mol, made up of 3671 atoms across 1 element: 3671 × F.

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Molar mass

Molar mass69,741.658 g/mol

Total atoms per molecule3671

Distinct elements1

Mass of one molecule1.1580875 × 10^-19 g

Molecules per gram8.6349263 × 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 × 3671)69,741.658 g/mol, 100%

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Elements in this formula

Fluorine

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