Recognised as Colour

#CA4950

#CA4950
Red
Dark
Nearest: Indian red

#CA4950 is a red with RGB values 202, 73, 80 and HSL 357°, 55%, 54%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#CA4950#CA4950

HEX#CA4950

RGBrgb(202, 73, 80)

RGB (0–1)0.7922, 0.2863, 0.3137

RGB percentages79.2%, 28.6%, 31.4%

HSLhsl(356.7, 54.9%, 53.9%)

HSV / HSBhsv(356.7, 63.9%, 79.2%)

CMYK0%, 63.9%, 60.4%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,257,040

CSS custom property--colour: #CA4950;

Brightness & contrast

Relative luminance0.17901WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.58:1

Contrast with white4.58:1WCAG normal text: AA

Contrast with black4.58:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#35B6AF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A644Fno red cones; affects about 1% of men; ΔE 54.6 from the original

Deuteranopia#8A7F4Dno green cones; the most common form, about 1% of men; ΔE 55.3 from the original

Tritanopia#DD2E4Cno blue cones; rare, and affects men and women equally; ΔE 15.3 from the original

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

Contrast with white, large text4.58:1WCAG large text: AAA

Contrast with black, large text4.58:1WCAG large text: AAA

Named colours

Indian red · ΔE 8.1 Brown · ΔE 13.8 Firebrick · ΔE 17.7 Light coral · ΔE 19.4 Salmon · ΔE 19.7 Crimson · ΔE 21.7

Nearest named CSS colourIndian red (#CD5C5C)ΔE 8.09, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#49CAC3

Analogous#CA4990, #CA8349

Triadic#50CA49, #4950CA

Split complementary#49CA83, #4990CA

Tetradic#91CA49, #49CAC3, #8349CA

Tints, shades & saturation

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

Lighter +40%#F8E7E8

Lighter +30%#EDBFC2

Lighter +20%#E1989C

Lighter +10%#D67076

Darker −10%#AD3339

Darker −20%#86272C

Darker −30%#5E1C1F

Darker −40%#371012

More saturated +25%#E72C36

Less saturated −25%#AD666A

Channel breakdown

R202

G73

B80

Red202 (79.2%)

Green73 (28.6%)

Blue80 (31.4%)

Hue356.74°

Saturation (HSL)54.89%

Lightness53.92%

Dominant channelRed

Hex per channelR CA · G 49 · B 50

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ca4950 (chemical formula)

Formula
198,386.1 g/mol
4950 atoms

Ca4950 has a molar mass of 198,386.1 g/mol, made up of 4950 atoms across 1 element: 4950 × Ca.

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Molar mass

Molar mass198,386.1 g/mol

Total atoms per molecule4950

Distinct elements1

Mass of one molecule3.2942787 × 10^-19 g

Molecules per gram3.0355659 × 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 × 4950)198,386.1 g/mol, 100%

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Elements in this formula

Calcium

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