Recognised as Colour

#C15C55

#C15C55
Red
Dark
Nearest: Indian red

#C15C55 is a red with RGB values 193, 92, 85 and HSL 4°, 47%, 55%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#C15C55#C15C55

HEX#C15C55

RGBrgb(193, 92, 85)

RGB (0–1)0.7569, 0.3608, 0.3333

RGB percentages75.7%, 36.1%, 33.3%

HSLhsl(3.9, 46.6%, 54.5%)

HSV / HSBhsv(3.9, 56%, 75.7%)

CMYK0%, 52.3%, 56%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,672,085

CSS custom property--colour: #C15C55;

Brightness & contrast

Relative luminance0.19648WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.93:1

Contrast with white4.26:1WCAG normal text: Fail

Contrast with black4.93:1WCAG normal text: AA

Greyscale equivalent#717171

Inverted#3EA3AA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#746D54no red cones; affects about 1% of men; ΔE 42.6 from the original

Deuteranopia#8D8353no green cones; the most common form, about 1% of men; ΔE 43.7 from the original

Tritanopia#D24B5Bno blue cones; rare, and affects men and women equally; ΔE 14.7 from the original

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

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

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

Named colours

Indian red · ΔE 5.5 Light coral · ΔE 15.5 Salmon · ΔE 17.7 Sienna · ΔE 17.9 Brown · ΔE 18.5 Dark salmon · ΔE 22.3

Nearest named CSS colourIndian red (#CD5C5C)ΔE 5.47, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#55BAC1

Analogous#C15584, #C19255

Triadic#55C15C, #5C55C1

Split complementary#55C192, #5584C1

Tetradic#84C155, #55BAC1, #9255C1

Tints, shades & saturation

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

Lighter +40%#F8EBEA

Lighter +30%#EAC7C5

Lighter +20%#DCA4A0

Lighter +10%#CF807A

Darker −10%#A6443D

Darker −20%#81342F

Darker −30%#5C2521

Darker −40%#361614

More saturated +25%#DE4338

Less saturated −25%#A47572

Channel breakdown

R193

G92

B85

Red193 (75.7%)

Green92 (36.1%)

Blue85 (33.3%)

Hue3.89°

Saturation (HSL)46.55%

Lightness54.51%

Dominant channelRed

Hex per channelR C1 · G 5C · B 55

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

C15C55 (chemical formula)

Formula
840.77 g/mol
70 atoms

C15C55 has a molar mass of 840.77 g/mol, made up of 70 atoms across 1 element: 70 × C.

Open this reading on its own page →

Molar mass

Molar mass840.77 g/mol

Total atoms per molecule70

Distinct elements1

Mass of one molecule1.3961314 × 10^-21 g

Molecules per gram7.1626494 × 10^20

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 × 70)840.77 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