Recognised as Colour

#F44530

#F44530
Red
Dark
Nearest: Tomato

#F44530 is a red with RGB values 244, 69, 48 and HSL 6°, 90%, 57%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F44530#F44530

HEX#F44530

RGBrgb(244, 69, 48)

RGB (0–1)0.9569, 0.2706, 0.1882

RGB percentages95.7%, 27.1%, 18.8%

HSLhsl(6.4, 89.9%, 57.3%)

HSV / HSBhsv(6.4, 80.3%, 95.7%)

CMYK0%, 71.7%, 80.3%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,008,496

CSS custom property--colour: #F44530;

Brightness & contrast

Relative luminance0.23703WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.74:1

Contrast with white3.66:1WCAG normal text: Fail

Contrast with black5.74:1WCAG normal text: AA

Greyscale equivalent#696969

Inverted#0BBACF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A6D2Cno red cones; affects about 1% of men; ΔE 70.6 from the original

Deuteranopia#A59427no green cones; the most common form, about 1% of men; ΔE 71.2 from the original

Tritanopia#FF0042no blue cones; rare, and affects men and women equally; ΔE 19.8 from the original

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

Contrast with white, large text3.66:1WCAG large text: AA

Contrast with black, large text5.74:1WCAG large text: AAA

Named colours

Tomato · ΔE 10.7 Orange red · ΔE 18.3 Crimson · ΔE 20.2 Red · ΔE 22.3 Coral · ΔE 23.1 Firebrick · ΔE 23.2

Nearest named CSS colourTomato (#FF6347)ΔE 10.71, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#30DFF4

Analogous#F4307D, #F4A730

Triadic#30F445, #4530F4

Split complementary#30F4A7, #307DF4

Tetradic#7DF430, #30DFF4, #A730F4

Tints, shades & saturation

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

Lighter +40%#FEF3F2

Lighter +30%#FCC8C1

Lighter +20%#F99C91

Lighter +10%#F77160

Darker −10%#E5230C

Darker −20%#B41C0A

Darker −30%#841407

Darker −40%#540D04

More saturated +25%#FF3C25

Less saturated −25%#D95A4B

Channel breakdown

R244

G69

B48

Red244 (95.7%)

Green69 (27.1%)

Blue48 (18.8%)

Hue6.43°

Saturation (HSL)89.91%

Lightness57.25%

Dominant channelRed

Hex per channelR F4 · G 45 · B 30

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F44530 (chemical formula)

Formula
845,980.94 g/mol
44530 atoms

F44530 has a molar mass of 845,980.94 g/mol, made up of 44530 atoms across 1 element: 44530 × F.

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Molar mass

Molar mass845,980.94 g/mol

Total atoms per molecule44530

Distinct elements1

Mass of one molecule1.4047844 × 10^-18 g

Molecules per gram7.1185301 × 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 × 44530)845,980.94 g/mol, 100%

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Elements in this formula

Fluorine

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