Recognised as Colour

#CA2C43

#CA2C43
Red
Dark
Nearest: Crimson

#CA2C43 is a red with RGB values 202, 44, 67 and HSL 351°, 64%, 48%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CA2C43#CA2C43

HEX#CA2C43

RGBrgb(202, 44, 67)

RGB (0–1)0.7922, 0.1725, 0.2627

RGB percentages79.2%, 17.3%, 26.3%

HSLhsl(351.3, 64.2%, 48.2%)

HSV / HSBhsv(351.3, 78.2%, 79.2%)

CMYK0%, 78.2%, 66.8%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,249,603

CSS custom property--colour: #CA2C43;

Brightness & contrast

Relative luminance0.14763WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.31:1

Contrast with white5.31:1WCAG normal text: AA

Contrast with black3.95:1WCAG normal text: Fail

Greyscale equivalent#4F4F4F

Inverted#35D3BC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5B5643no red cones; affects about 1% of men; ΔE 65.2 from the original

Deuteranopia#83773Eno green cones; the most common form, about 1% of men; ΔE 65.4 from the original

Tritanopia#DE0036no blue cones; rare, and affects men and women equally; ΔE 15.7 from the original

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

Contrast with white, large text5.31:1WCAG large text: AAA

Contrast with black, large text3.95:1WCAG large text: AA

Named colours

Crimson · ΔE 12 Firebrick · ΔE 13.9 Brown · ΔE 14.7 Indian red · ΔE 19 Dark red · ΔE 25 Tomato · ΔE 26.4

Nearest named CSS colourCrimson (#DC143C)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#2CCAB3

Analogous#CA2C92, #CA642C

Triadic#43CA2C, #2C43CA

Split complementary#2CCA64, #2C92CA

Tetradic#92CA2C, #2CCAB3, #642CCA

Tints, shades & saturation

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

Lighter +40%#F4CED3

Lighter +30%#EBA4AE

Lighter +20%#E27A89

Lighter +10%#D95064

Darker −10%#A02335

Darker −20%#761A27

Darker −30%#4C1119

Darker −40%#22080B

More saturated +25%#E90D2D

Less saturated −25%#AB4B59

Channel breakdown

R202

G44

B67

Red202 (79.2%)

Green44 (17.3%)

Blue67 (26.3%)

Hue351.27°

Saturation (HSL)64.23%

Lightness48.24%

Dominant channelRed

Hex per channelR CA · G 2C · B 43

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca2C43 (chemical formula)

Formula
596.629 g/mol
45 atoms

Ca2C43 has a molar mass of 596.629 g/mol, made up of 45 atoms across 2 elements: 2 × Ca, 43 × C.

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Molar mass

Molar mass596.629 g/mol

Total atoms per molecule45

Distinct elements2

Mass of one molecule9.9072576 × 10^-22 g

Molecules per gram1.0093611 × 10^21

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

Ca13.4%

C86.6%

Calcium (Ca × 2)80.156 g/mol, 13.435%

Carbon (C × 43)516.473 g/mol, 86.565%

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