Recognised as Colour

#CD1845

#CD1845
Red
Dark
Nearest: Crimson

#CD1845 is a red with RGB values 205, 24, 69 and HSL 345°, 79%, 45%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CD1845#CD1845

HEX#CD1845

RGBrgb(205, 24, 69)

RGB (0–1)0.8039, 0.0941, 0.2706

RGB percentages80.4%, 9.4%, 27.1%

HSLhsl(345.1, 79%, 44.9%)

HSV / HSBhsv(345.1, 88.3%, 80.4%)

CMYK0%, 88.3%, 66.3%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,441,093

CSS custom property--colour: #CD1845;

Brightness & contrast

Relative luminance0.14062WCAG 2.x, 0 is black and 1 is white

Perceived brightness116 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.51:1

Contrast with white5.51:1WCAG normal text: AA

Contrast with black3.81:1WCAG normal text: Fail

Greyscale equivalent#424242

Inverted#32E7BA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#555145no red cones; affects about 1% of men; ΔE 70.3 from the original

Deuteranopia#817640no green cones; the most common form, about 1% of men; ΔE 71.1 from the original

Tritanopia#E1002Eno blue cones; rare, and affects men and women equally; ΔE 19.6 from the original

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

Contrast with white, large text5.51:1WCAG large text: AAA

Contrast with black, large text3.81:1WCAG large text: AA

Named colours

Crimson · ΔE 10.6 Firebrick · ΔE 18.2 Brown · ΔE 19.6 Indian red · ΔE 24 Dark red · ΔE 28.5 Tomato · ΔE 30

Nearest named CSS colourCrimson (#DC143C)ΔE 10.65, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18CDA0

Analogous#CD18A0, #CD4618

Triadic#45CD18, #1845CD

Split complementary#18CD46, #189FCD

Tetradic#9FCD18, #18CDA0, #4518CD

Tints, shades & saturation

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

Lighter +40%#F7BAC9

Lighter +30%#F28CA6

Lighter +20%#EC5F82

Lighter +10%#E7315E

Darker −10%#9F1336

Darker −20%#720D26

Darker −30%#440817

Darker −40%#160308

More saturated +25%#E50039

Less saturated −25%#B03553

Channel breakdown

R205

G24

B69

Red205 (80.4%)

Green24 (9.4%)

Blue69 (27.1%)

Hue345.08°

Saturation (HSL)79.04%

Lightness44.9%

Dominant channelRed

Hex per channelR CD · G 18 · B 45

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

Cd1845 (chemical formula)

Formula
207,396.45 g/mol
1845 atoms

Cd1845 has a molar mass of 207,396.45 g/mol, made up of 1845 atoms across 1 element: 1845 × Cd.

Open this reading on its own page →

Molar mass

Molar mass207,396.45 g/mol

Total atoms per molecule1845

Distinct elements1

Mass of one molecule3.4438991 × 10^-19 g

Molecules per gram2.9036856 × 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 × 1845)207,396.45 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