Recognised as Colour

#CD1F56

#CD1F56
Red
Dark
Nearest: Crimson

#CD1F56 is a red with RGB values 205, 31, 86 and HSL 341°, 74%, 46%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CD1F56#CD1F56

HEX#CD1F56

RGBrgb(205, 31, 86)

RGB (0–1)0.8039, 0.1216, 0.3373

RGB percentages80.4%, 12.2%, 33.7%

HSLhsl(341, 73.7%, 46.3%)

HSV / HSBhsv(341, 84.9%, 80.4%)

CMYK0%, 84.9%, 58%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,442,902

CSS custom property--colour: #CD1F56;

Brightness & contrast

Relative luminance0.14631WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.35:1

Contrast with white5.35:1WCAG normal text: AA

Contrast with black3.93:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#32E0A9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#545557no red cones; affects about 1% of men; ΔE 69 from the original

Deuteranopia#807752no green cones; the most common form, about 1% of men; ΔE 69.6 from the original

Tritanopia#E00039no blue cones; rare, and affects men and women equally; ΔE 22.4 from the original

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

Contrast with white, large text5.35:1WCAG large text: AAA

Contrast with black, large text3.93:1WCAG large text: AA

Named colours

Crimson · ΔE 19.6 Brown · ΔE 24.5 Indian red · ΔE 24.5 Firebrick · ΔE 26.1 Deep pink · ΔE 29.2 Pale violetred · ΔE 29.7

Nearest named CSS colourCrimson (#DC143C)ΔE 19.57, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1FCD96

Analogous#CD1FAD, #CD3F1F

Triadic#56CD1F, #1F56CD

Split complementary#1FCD3F, #1FADCD

Tetradic#ADCD1F, #1FCD96, #3F1FCD

Tints, shades & saturation

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

Lighter +40%#F6C2D3

Lighter +30%#EF96B2

Lighter +20%#E86A92

Lighter +10%#E23D71

Darker −10%#A11843

Darker −20%#741231

Darker −30%#480B1E

Darker −40%#1C040C

More saturated +25%#EB014B

Less saturated −25%#B03C61

Channel breakdown

R205

G31

B86

Red205 (80.4%)

Green31 (12.2%)

Blue86 (33.7%)

Hue341.03°

Saturation (HSL)73.73%

Lightness46.27%

Dominant channelRed

Hex per channelR CD · G 1F · B 56

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Cd1F56 (chemical formula)

Formula
1,176.298 g/mol
57 atoms

Cd1F56 has a molar mass of 1,176.298 g/mol, made up of 57 atoms across 2 elements: 1 × Cd, 56 × F.

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Molar mass

Molar mass1,176.298 g/mol

Total atoms per molecule57

Distinct elements2

Mass of one molecule1.9532888 × 10^-21 g

Molecules per gram5.1195707 × 10^20

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

Cd9.6%

F90.4%

Cadmium (Cd)112.41 g/mol, 9.556%

Fluorine (F × 56)1,063.888 g/mol, 90.444%

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