Recognised as Colour

#C82725

#C82725
Red
Dark
Nearest: Firebrick

#C82725 is a red with RGB values 200, 39, 37 and HSL 1°, 69%, 46%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C82725#C82725

HEX#C82725

RGBrgb(200, 39, 37)

RGB (0–1)0.7843, 0.1529, 0.1451

RGB percentages78.4%, 15.3%, 14.5%

HSLhsl(0.7, 68.8%, 46.5%)

HSV / HSBhsv(0.7, 81.5%, 78.4%)

CMYK0%, 80.5%, 81.5%, 21.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,117,221

CSS custom property--colour: #C82725;

Brightness & contrast

Relative luminance0.13864WCAG 2.x, 0 is black and 1 is white

Perceived brightness114.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.57:1

Contrast with white5.57:1WCAG normal text: AA

Contrast with black3.77:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#37D8DA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B5222no red cones; affects about 1% of men; ΔE 66.2 from the original

Deuteranopia#83751Dno green cones; the most common form, about 1% of men; ΔE 66.1 from the original

Tritanopia#DD0029no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original

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

Contrast with white, large text5.57:1WCAG large text: AAA

Contrast with black, large text3.77:1WCAG large text: AA

Named colours

Firebrick · ΔE 8.5 Crimson · ΔE 13.5 Brown · ΔE 17.6 Dark red · ΔE 18.9 Tomato · ΔE 18.9 Maroon · ΔE 23

Nearest named CSS colourFirebrick (#B22222)ΔE 8.52, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25C6C8

Analogous#C82575, #C87925

Triadic#25C827, #2725C8

Split complementary#25C878, #2575C8

Tetradic#75C825, #25C6C8, #7825C8

Tints, shades & saturation

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

Lighter +40%#F4C5C5

Lighter +30%#EC9B9A

Lighter +20%#E4706F

Lighter +10%#DC4644

Darker −10%#9D1F1D

Darker −20%#721615

Darker −30%#470E0D

Darker −40%#1C0505

More saturated +25%#E60A07

Less saturated −25%#AA4443

Channel breakdown

R200

G39

B37

Red200 (78.4%)

Green39 (15.3%)

Blue37 (14.5%)

Hue0.74°

Saturation (HSL)68.78%

Lightness46.47%

Dominant channelRed

Hex per channelR C8 · G 27 · B 25

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C82725 (chemical formula)

Formula
993,609.975 g/mol
82725 atoms

C82725 has a molar mass of 993,609.975 g/mol, made up of 82725 atoms across 1 element: 82725 × C.

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Molar mass

Molar mass993,609.975 g/mol

Total atoms per molecule82725

Distinct elements1

Mass of one molecule1.6499282 × 10^-18 g

Molecules per gram6.0608699 × 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

C100%

Carbon (C × 82725)993,609.975 g/mol, 100%

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Elements in this formula

Carbon

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