Recognised as Colour

#FF4569

#FF4569
Red
Dark
Nearest: Crimson

#FF4569 is a red with RGB values 255, 69, 105 and HSL 348°, 100%, 64%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF4569#FF4569

HEX#FF4569

RGBrgb(255, 69, 105)

RGB (0–1)1, 0.2706, 0.4118

RGB percentages100%, 27.1%, 41.2%

HSLhsl(348.4, 100%, 63.5%)

HSV / HSBhsv(348.4, 72.9%, 100%)

CMYK0%, 72.9%, 58.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,729,449

CSS custom property--colour: #FF4569;

Brightness & contrast

Relative luminance0.26536WCAG 2.x, 0 is black and 1 is white

Perceived brightness153.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.31:1

Contrast with white3.33:1WCAG normal text: Fail

Contrast with black6.31:1WCAG normal text: AA

Greyscale equivalent#6F6F6F

Inverted#00BA96

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#777469no red cones; affects about 1% of men; ΔE 74.4 from the original

Deuteranopia#A79B64no green cones; the most common form, about 1% of men; ΔE 75.4 from the original

Tritanopia#FF0054no blue cones; rare, and affects men and women equally; ΔE 13.5 from the original

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

Contrast with white, large text3.33:1WCAG large text: AA

Contrast with black, large text6.31:1WCAG large text: AAA

Named colours

Crimson · ΔE 15.8 Indian red · ΔE 26.7 Tomato · ΔE 27.2 Salmon · ΔE 27.9 Firebrick · ΔE 28.7 Light coral · ΔE 29.4

Nearest named CSS colourCrimson (#DC143C)ΔE 15.75, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#45FFDB

Analogous#FF45C6, #FF7E45

Triadic#69FF45, #4569FF

Split complementary#45FF7E, #45C6FF

Tetradic#C6FF45, #45FFDB, #7E45FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFDEE4

Lighter +20%#FFABBB

Lighter +10%#FF7892

Darker −10%#FF1240

Darker −20%#DE002B

Darker −30%#AB0021

Darker −40%#780017

More saturated +25%#FF4569

Less saturated −25%#E85C77

Channel breakdown

R255

G69

B105

Red255 (100%)

Green69 (27.1%)

Blue105 (41.2%)

Hue348.39°

Saturation (HSL)100%

Lightness63.53%

Dominant channelRed

Hex per channelR FF · G 45 · B 69

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

FF4569 (chemical formula)

Formula
86,820.86 g/mol
4570 atoms

FF4569 has a molar mass of 86,820.86 g/mol, made up of 4570 atoms across 1 element: 4570 × F.

Open this reading on its own page →

Molar mass

Molar mass86,820.86 g/mol

Total atoms per molecule4570

Distinct elements1

Mass of one molecule1.4416943 × 10^-19 g

Molecules per gram6.9362832 × 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 × 4570)86,820.86 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