Recognised as Colour

#F25845

#F25845
Red
Dark
Nearest: Tomato

#F25845 is a red with RGB values 242, 88, 69 and HSL 7°, 87%, 61%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F25845#F25845

HEX#F25845

RGBrgb(242, 88, 69)

RGB (0–1)0.949, 0.3451, 0.2706

RGB percentages94.9%, 34.5%, 27.1%

HSLhsl(6.6, 86.9%, 61%)

HSV / HSBhsv(6.6, 71.5%, 94.9%)

CMYK0%, 63.6%, 71.5%, 5.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,882,309

CSS custom property--colour: #F25845;

Brightness & contrast

Relative luminance0.26286WCAG 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 6.26:1

Contrast with white3.36:1WCAG normal text: Fail

Contrast with black6.26:1WCAG normal text: AA

Greyscale equivalent#777777

Inverted#0DA7BA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#837742no red cones; affects about 1% of men; ΔE 62.8 from the original

Deuteranopia#A99940no green cones; the most common form, about 1% of men; ΔE 63.6 from the original

Tritanopia#FF3055no blue cones; rare, and affects men and women equally; ΔE 21 from the original

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

Contrast with white, large text3.36:1WCAG large text: AA

Contrast with black, large text6.26:1WCAG large text: AAA

Named colours

Tomato · ΔE 5.5 Coral · ΔE 16.3 Crimson · ΔE 19.3 Firebrick · ΔE 19.9 Salmon · ΔE 20.6 Indian red · ΔE 24.8

Nearest named CSS colourTomato (#FF6347)ΔE 5.51, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#45DFF2

Analogous#F24589, #F2AE45

Triadic#45F258, #5845F2

Split complementary#45F2AE, #4589F2

Tetradic#89F245, #45DFF2, #AE45F2

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FCD8D4

Lighter +20%#F9AEA4

Lighter +10%#F58375

Darker −10%#EF2D15

Darker −20%#C3220E

Darker −30%#94190A

Darker −40%#641107

More saturated +25%#FF4E38

Less saturated −25%#D96B5E

Channel breakdown

R242

G88

B69

Red242 (94.9%)

Green88 (34.5%)

Blue69 (27.1%)

Hue6.59°

Saturation (HSL)86.93%

Lightness60.98%

Dominant channelRed

Hex per channelR F2 · G 58 · B 45

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F25845 (chemical formula)

Formula
491,003.31 g/mol
25845 atoms

F25845 has a molar mass of 491,003.31 g/mol, made up of 25845 atoms across 1 element: 25845 × F.

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Molar mass

Molar mass491,003.31 g/mol

Total atoms per molecule25845

Distinct elements1

Mass of one molecule8.1533018 × 10^-19 g

Molecules per gram1.226497 × 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 × 25845)491,003.31 g/mol, 100%

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Elements in this formula

Fluorine

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