Recognised as Colour

#FC2825

#FC2825
Red
Dark
Nearest: Red

#FC2825 is a red with RGB values 252, 40, 37 and HSL 1°, 97%, 57%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FC2825#FC2825

HEX#FC2825

RGBrgb(252, 40, 37)

RGB (0–1)0.9882, 0.1569, 0.1451

RGB percentages98.8%, 15.7%, 14.5%

HSLhsl(0.8, 97.3%, 56.7%)

HSV / HSBhsv(0.8, 85.3%, 98.8%)

CMYK0%, 84.1%, 85.3%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,525,349

CSS custom property--colour: #FC2825;

Brightness & contrast

Relative luminance0.22347WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.47:1

Contrast with white3.84:1WCAG normal text: Fail

Contrast with black5.47:1WCAG normal text: AA

Greyscale equivalent#555555

Inverted#03D7DA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#726520no red cones; affects about 1% of men; ΔE 81 from the original

Deuteranopia#A49215no green cones; the most common form, about 1% of men; ΔE 81.1 from the original

Tritanopia#FF002Cno blue cones; rare, and affects men and women equally; ΔE 6.9 from the original

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

Contrast with white, large text3.84:1WCAG large text: AA

Contrast with black, large text5.47:1WCAG large text: AAA

Named colours

Red · ΔE 12.8 Orange red · ΔE 15.6 Tomato · ΔE 21 Crimson · ΔE 23.5 Firebrick · ΔE 30.3 Coral · ΔE 33.4

Nearest named CSS colourRed (#FF0000)ΔE 12.79, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25F9FC

Analogous#FC258E, #FC9325

Triadic#25FC28, #2825FC

Split complementary#25FC94, #258DFC

Tetradic#8EFC25, #25F9FC, #9425FC

Tints, shades & saturation

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

Lighter +40%#FFEEEE

Lighter +30%#FEBDBC

Lighter +20%#FD8B8A

Lighter +10%#FD5A57

Darker −10%#EB0603

Darker −20%#B80503

Darker −30%#860402

Darker −40%#540201

More saturated +25%#FF2522

Less saturated −25%#E04341

Channel breakdown

R252

G40

B37

Red252 (98.8%)

Green40 (15.7%)

Blue37 (14.5%)

Hue0.84°

Saturation (HSL)97.29%

Lightness56.67%

Dominant channelRed

Hex per channelR FC · G 28 · B 25

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC2825 (chemical formula)

Formula
33,950.073 g/mol
2826 atoms

FC2825 has a molar mass of 33,950.073 g/mol, made up of 2826 atoms across 2 elements: 1 × F, 2825 × C.

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Molar mass

Molar mass33,950.073 g/mol

Total atoms per molecule2826

Distinct elements2

Mass of one molecule5.6375423 × 10^-20 g

Molecules per gram1.7738226 × 10^19

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

F0.1%

C99.9%

Fluorine (F)18.998 g/mol, 0.056%

Carbon (C × 2825)33,931.075 g/mol, 99.944%

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