Recognised as Colour

#F52029

#F52029
Red
Dark
Nearest: Red

#F52029 is a red with RGB values 245, 32, 41 and HSL 357°, 91%, 54%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#F52029#F52029

HEX#F52029

RGBrgb(245, 32, 41)

RGB (0–1)0.9608, 0.1255, 0.1608

RGB percentages96.1%, 12.5%, 16.1%

HSLhsl(357.5, 91.4%, 54.3%)

HSV / HSBhsv(357.5, 86.9%, 96.1%)

CMYK0%, 86.9%, 83.3%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,064,553

CSS custom property--colour: #F52029;

Brightness & contrast

Relative luminance0.20606WCAG 2.x, 0 is black and 1 is white

Perceived brightness136.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.12:1

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

Contrast with black5.12:1WCAG normal text: AA

Greyscale equivalent#4E4E4E

Inverted#0ADFD6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C6026no red cones; affects about 1% of men; ΔE 80.6 from the original

Deuteranopia#9E8D1Cno green cones; the most common form, about 1% of men; ΔE 80.7 from the original

Tritanopia#FF0028no blue cones; rare, and affects men and women equally; ΔE 6.1 from the original

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

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

Contrast with black, large text5.12:1WCAG large text: AAA

Named colours

Red · ΔE 16.7 Crimson · ΔE 19 Orange red · ΔE 19.6 Tomato · ΔE 20.2 Firebrick · ΔE 27 Coral · ΔE 33.2

Nearest named CSS colourRed (#FF0000)ΔE 16.66, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#20F5EC

Analogous#F52094, #F58220

Triadic#29F520, #2029F5

Split complementary#20F582, #2094F5

Tetradic#94F520, #20F5EC, #8120F5

Tints, shades & saturation

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

Lighter +40%#FEE3E4

Lighter +30%#FCB2B6

Lighter +20%#F98287

Lighter +10%#F75158

Darker −10%#D80A12

Darker −20%#A7080E

Darker −30%#77050A

Darker −40%#460306

More saturated +25%#FF1620

Less saturated −25%#D83D44

Channel breakdown

R245

G32

B41

Red245 (96.1%)

Green32 (12.5%)

Blue41 (16.1%)

Hue357.46°

Saturation (HSL)91.42%

Lightness54.31%

Dominant channelRed

Hex per channelR F5 · G 20 · B 29

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F52029 (chemical formula)

Formula
988,446.942 g/mol
52029 atoms

F52029 has a molar mass of 988,446.942 g/mol, made up of 52029 atoms across 1 element: 52029 × F.

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Molar mass

Molar mass988,446.942 g/mol

Total atoms per molecule52029

Distinct elements1

Mass of one molecule1.6413548 × 10^-18 g

Molecules per gram6.0925281 × 10^17

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 × 52029)988,446.942 g/mol, 100%

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Elements in this formula

Fluorine

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