Recognised as Colour

#CA4549

#CA4549
Red
Dark
Nearest: Indian red

#CA4549 is a red with RGB values 202, 69, 73 and HSL 358°, 56%, 53%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#CA4549#CA4549

HEX#CA4549

RGBrgb(202, 69, 73)

RGB (0–1)0.7922, 0.2706, 0.2863

RGB percentages79.2%, 27.1%, 28.6%

HSLhsl(358.2, 55.6%, 53.1%)

HSV / HSBhsv(358.2, 65.8%, 79.2%)

CMYK0%, 65.8%, 63.9%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,256,009

CSS custom property--colour: #CA4549;

Brightness & contrast

Relative luminance0.17294WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.71:1

Contrast with white4.71:1WCAG normal text: AA

Contrast with black4.46:1WCAG normal text: Fail

Greyscale equivalent#626262

Inverted#35BAB6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#686248no red cones; affects about 1% of men; ΔE 56.6 from the original

Deuteranopia#8A7E45no green cones; the most common form, about 1% of men; ΔE 56.9 from the original

Tritanopia#DD2548no blue cones; rare, and affects men and women equally; ΔE 15.9 from the original

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

Contrast with white, large text4.71:1WCAG large text: AAA

Contrast with black, large text4.46:1WCAG large text: AA

Named colours

Indian red · ΔE 10.6 Brown · ΔE 12.1 Firebrick · ΔE 14.6 Crimson · ΔE 19.3 Salmon · ΔE 20.2 Light coral · ΔE 21.5

Nearest named CSS colourIndian red (#CD5C5C)ΔE 10.56, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#45CAC6

Analogous#CA458C, #CA8445

Triadic#49CA45, #4549CA

Split complementary#45CA84, #458CCA

Tetradic#8CCA45, #45CAC6, #8445CA

Tints, shades & saturation

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

Lighter +40%#F7E4E4

Lighter +30%#ECBCBE

Lighter +20%#E19497

Lighter +10%#D56D70

Darker −10%#AB3134

Darker −20%#842528

Darker −30%#5C1A1C

Darker −40%#340F10

More saturated +25%#E8272D

Less saturated −25%#AC6365

Channel breakdown

R202

G69

B73

Red202 (79.2%)

Green69 (27.1%)

Blue73 (28.6%)

Hue358.2°

Saturation (HSL)55.65%

Lightness53.14%

Dominant channelRed

Hex per channelR CA · G 45 · B 49

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca4549 (chemical formula)

Formula
182,314.822 g/mol
4549 atoms

Ca4549 has a molar mass of 182,314.822 g/mol, made up of 4549 atoms across 1 element: 4549 × Ca.

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Molar mass

Molar mass182,314.822 g/mol

Total atoms per molecule4549

Distinct elements1

Mass of one molecule3.0274088 × 10^-19 g

Molecules per gram3.3031548 × 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

Ca100%

Calcium (Ca × 4549)182,314.822 g/mol, 100%

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Elements in this formula

Calcium

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