Recognised as Colour

#CD2247

#CD2247
Red
Dark
Nearest: Crimson

#CD2247 is a red with RGB values 205, 34, 71 and HSL 347°, 72%, 47%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CD2247#CD2247

HEX#CD2247

RGBrgb(205, 34, 71)

RGB (0–1)0.8039, 0.1333, 0.2784

RGB percentages80.4%, 13.3%, 27.8%

HSLhsl(347, 71.5%, 46.9%)

HSV / HSBhsv(347, 83.4%, 80.4%)

CMYK0%, 83.4%, 65.4%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,443,655

CSS custom property--colour: #CD2247;

Brightness & contrast

Relative luminance0.14578WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.36:1

Contrast with white5.36:1WCAG normal text: AA

Contrast with black3.92:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#32DDB8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#585447no red cones; affects about 1% of men; ΔE 68.4 from the original

Deuteranopia#827742no green cones; the most common form, about 1% of men; ΔE 69.1 from the original

Tritanopia#E10033no blue cones; rare, and affects men and women equally; ΔE 18 from the original

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

Contrast with white, large text5.36:1WCAG large text: AAA

Contrast with black, large text3.92:1WCAG large text: AA

Named colours

Crimson · ΔE 11.6 Firebrick · ΔE 17.6 Brown · ΔE 18.4 Indian red · ΔE 21.9 Dark red · ΔE 28.1 Tomato · ΔE 29.3

Nearest named CSS colourCrimson (#DC143C)ΔE 11.59, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22CDA8

Analogous#CD229D, #CD5222

Triadic#47CD22, #2247CD

Split complementary#22CD52, #229DCD

Tetradic#9DCD22, #22CDA8, #5222CD

Tints, shades & saturation

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

Lighter +40%#F5C6D0

Lighter +30%#EE9AAC

Lighter +20%#E76E88

Lighter +10%#E04264

Darker −10%#A11B38

Darker −20%#761329

Darker −30%#4A0C1A

Darker −40%#1E050A

More saturated +25%#EB0436

Less saturated −25%#AF4058

Channel breakdown

R205

G34

B71

Red205 (80.4%)

Green34 (13.3%)

Blue71 (27.8%)

Hue347.02°

Saturation (HSL)71.55%

Lightness46.86%

Dominant channelRed

Hex per channelR CD · G 22 · B 47

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

Cd2247 (chemical formula)

Formula
252,585.27 g/mol
2247 atoms

Cd2247 has a molar mass of 252,585.27 g/mol, made up of 2247 atoms across 1 element: 2247 × Cd.

Open this reading on its own page →

Molar mass

Molar mass252,585.27 g/mol

Total atoms per molecule2247

Distinct elements1

Mass of one molecule4.1942771 × 10^-19 g

Molecules per gram2.3842011 × 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 × 2247)252,585.27 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

Cadmium

Nerdulate something else

Nothing in mind? Surprise me · today’s page