Recognised as Colour

#C64427

#C64427
Red
Dark
Nearest: Firebrick

#C64427 is a red with RGB values 198, 68, 39 and HSL 11°, 67%, 46%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#C64427#C64427

HEX#C64427

RGBrgb(198, 68, 39)

RGB (0–1)0.7765, 0.2667, 0.1529

RGB percentages77.6%, 26.7%, 15.3%

HSLhsl(10.9, 67.1%, 46.5%)

HSV / HSBhsv(10.9, 80.3%, 77.6%)

CMYK0%, 65.7%, 80.3%, 22.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,993,575

CSS custom property--colour: #C64427;

Brightness & contrast

Relative luminance0.16286WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.93:1

Contrast with white4.93:1WCAG normal text: AA

Contrast with black4.26:1WCAG normal text: Fail

Greyscale equivalent#5E5E5E

Inverted#39BBD8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#695E22no red cones; affects about 1% of men; ΔE 55.2 from the original

Deuteranopia#8A7B21no green cones; the most common form, about 1% of men; ΔE 55.2 from the original

Tritanopia#DA1D3Eno blue cones; rare, and affects men and women equally; ΔE 22.2 from the original

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

Contrast with white, large text4.93:1WCAG large text: AAA

Contrast with black, large text4.26:1WCAG large text: AA

Named colours

Firebrick · ΔE 12 Tomato · ΔE 16.8 Brown · ΔE 17 Dark red · ΔE 19.5 Chocolate · ΔE 20.1 Coral · ΔE 20.8

Nearest named CSS colourFirebrick (#B22222)ΔE 12.01, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27A9C6

Analogous#C6275A, #C69327

Triadic#27C644, #4427C6

Split complementary#27C693, #275AC6

Tetradic#5AC627, #27A9C6, #9327C6

Tints, shades & saturation

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

Lighter +40%#F4CEC5

Lighter +30%#EBA99B

Lighter +20%#E38570

Lighter +10%#DA6146

Darker −10%#9B351F

Darker −20%#712716

Darker −30%#46180E

Darker −40%#1C0905

More saturated +25%#E43109

Less saturated −25%#A85745

Channel breakdown

R198

G68

B39

Red198 (77.6%)

Green68 (26.7%)

Blue39 (15.3%)

Hue10.94°

Saturation (HSL)67.09%

Lightness46.47%

Dominant channelRed

Hex per channelR C6 · G 44 · B 27

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

C64427 (chemical formula)

Formula
773,832.697 g/mol
64427 atoms

C64427 has a molar mass of 773,832.697 g/mol, made up of 64427 atoms across 1 element: 64427 × C.

Open this reading on its own page →

Molar mass

Molar mass773,832.697 g/mol

Total atoms per molecule64427

Distinct elements1

Mass of one molecule1.2849794 × 10^-18 g

Molecules per gram7.7822258 × 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 × 64427)773,832.697 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Carbon

Nerdulate something else

Nothing in mind? Surprise me · today’s page