Recognised as Colour

#CD4055

#CD4055
Red
Dark
Nearest: Indian red

#CD4055 is a red with RGB values 205, 64, 85 and HSL 351°, 59%, 53%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#CD4055#CD4055

HEX#CD4055

RGBrgb(205, 64, 85)

RGB (0–1)0.8039, 0.251, 0.3333

RGB percentages80.4%, 25.1%, 33.3%

HSLhsl(351.1, 58.5%, 52.7%)

HSV / HSBhsv(351.1, 68.8%, 80.4%)

CMYK0%, 68.8%, 58.5%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,451,349

CSS custom property--colour: #CD4055;

Brightness & contrast

Relative luminance0.17302WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.71:1

Contrast with white4.71:1WCAG normal text: AA

Contrast with black4.46:1WCAG normal text: Fail

Greyscale equivalent#5F5F5F

Inverted#32BFAA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#646155no red cones; affects about 1% of men; ΔE 59.6 from the original

Deuteranopia#887E51no green cones; the most common form, about 1% of men; ΔE 60.2 from the original

Tritanopia#E01E49no blue cones; rare, and affects men and women equally; ΔE 16.3 from the original

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

Contrast with white, large text4.71:1WCAG large text: AAA

Contrast with black, large text4.46:1WCAG large text: AA

Named colours

Indian red · ΔE 12.9 Brown · ΔE 16.8 Crimson · ΔE 19.8 Firebrick · ΔE 20.1 Light coral · ΔE 22.3 Salmon · ΔE 23.7

Nearest named CSS colourIndian red (#CD5C5C)ΔE 12.9, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#40CDB8

Analogous#CD409C, #CD7240

Triadic#55CD40, #4055CD

Split complementary#40CD72, #409CCD

Tetradic#9BCD40, #40CDB8, #7140CD

Tints, shades & saturation

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

Lighter +40%#F7E2E5

Lighter +30%#EDB9C1

Lighter +20%#E2919D

Lighter +10%#D86879

Darker −10%#AD2D40

Darker −20%#842331

Darker −30%#5C1822

Darker −40%#340D13

More saturated +25%#EB2240

Less saturated −25%#AF5E6A

Channel breakdown

R205

G64

B85

Red205 (80.4%)

Green64 (25.1%)

Blue85 (33.3%)

Hue351.06°

Saturation (HSL)58.51%

Lightness52.75%

Dominant channelRed

Hex per channelR CD · G 40 · B 55

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Cd4055 (chemical formula)

Formula
455,822.55 g/mol
4055 atoms

Cd4055 has a molar mass of 455,822.55 g/mol, made up of 4055 atoms across 1 element: 4055 × Cd.

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Molar mass

Molar mass455,822.55 g/mol

Total atoms per molecule4055

Distinct elements1

Mass of one molecule7.5691115 × 10^-19 g

Molecules per gram1.321159 × 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 × 4055)455,822.55 g/mol, 100%

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Elements in this formula

Cadmium

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