Recognised as Colour

#CD3526

#CD3526
Red
Dark
Nearest: Firebrick

#CD3526 is a red with RGB values 205, 53, 38 and HSL 5°, 69%, 48%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CD3526#CD3526

HEX#CD3526

RGBrgb(205, 53, 38)

RGB (0–1)0.8039, 0.2078, 0.149

RGB percentages80.4%, 20.8%, 14.9%

HSLhsl(5.4, 68.7%, 47.6%)

HSV / HSBhsv(5.4, 81.5%, 80.4%)

CMYK0%, 74.1%, 81.5%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,448,486

CSS custom property--colour: #CD3526;

Brightness & contrast

Relative luminance0.15665WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.08:1

Contrast with white5.08:1WCAG normal text: AA

Contrast with black4.13:1WCAG normal text: Fail

Greyscale equivalent#545454

Inverted#32CAD9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#645922no red cones; affects about 1% of men; ΔE 63.1 from the original

Deuteranopia#897A1Eno green cones; the most common form, about 1% of men; ΔE 63.2 from the original

Tritanopia#E20033no blue cones; rare, and affects men and women equally; ΔE 16.4 from the original

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

Contrast with white, large text5.08:1WCAG large text: AAA

Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Firebrick · ΔE 10.4 Tomato · ΔE 15.8 Crimson · ΔE 16.7 Brown · ΔE 18.8 Dark red · ΔE 20.1 Maroon · ΔE 24.3

Nearest named CSS colourFirebrick (#B22222)ΔE 10.42, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#26BECD

Analogous#CD266B, #CD8926

Triadic#26CD35, #3526CD

Split complementary#26CD89, #266ACD

Tetradic#6ACD26, #26BECD, #8926CD

Tints, shades & saturation

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

Lighter +40%#F5CECA

Lighter +30%#EDA69F

Lighter +20%#E57E74

Lighter +10%#DD5649

Darker −10%#A22A1E

Darker −20%#771F16

Darker −30%#4C140E

Darker −40%#210906

More saturated +25%#EB1C08

Less saturated −25%#AF4E44

Channel breakdown

R205

G53

B38

Red205 (80.4%)

Green53 (20.8%)

Blue38 (14.9%)

Hue5.39°

Saturation (HSL)68.72%

Lightness47.65%

Dominant channelRed

Hex per channelR CD · G 35 · B 26

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Cd3526 (chemical formula)

Formula
396,357.66 g/mol
3526 atoms

Cd3526 has a molar mass of 396,357.66 g/mol, made up of 3526 atoms across 1 element: 3526 × Cd.

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Molar mass

Molar mass396,357.66 g/mol

Total atoms per molecule3526

Distinct elements1

Mass of one molecule6.5816738 × 10^-19 g

Molecules per gram1.5193703 × 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

Cd100%

Cadmium (Cd × 3526)396,357.66 g/mol, 100%

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Elements in this formula

Cadmium

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