Recognised as Colour

#CD441F

#CD441F
Red
Dark
Nearest: Tomato

#CD441F is a red with RGB values 205, 68, 31 and HSL 13°, 74%, 46%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#CD441F#CD441F

HEX#CD441F

RGBrgb(205, 68, 31)

RGB (0–1)0.8039, 0.2667, 0.1216

RGB percentages80.4%, 26.7%, 12.2%

HSLhsl(12.8, 73.7%, 46.3%)

HSV / HSBhsv(12.8, 84.9%, 80.4%)

CMYK0%, 66.8%, 84.9%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,452,319

CSS custom property--colour: #CD441F;

Brightness & contrast

Relative luminance0.17212WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.73:1

Contrast with white4.73:1WCAG normal text: AA

Contrast with black4.44:1WCAG normal text: Fail

Greyscale equivalent#5E5E5E

Inverted#32BBE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C6018no red cones; affects about 1% of men; ΔE 57.7 from the original

Deuteranopia#8E7F17no green cones; the most common form, about 1% of men; ΔE 58.1 from the original

Tritanopia#E2163Dno blue cones; rare, and affects men and women equally; ΔE 24.6 from the original

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

Contrast with white, large text4.73:1WCAG large text: AAA

Contrast with black, large text4.44:1WCAG large text: AA

Named colours

Tomato · ΔE 15 Firebrick · ΔE 15.7 Chocolate · ΔE 18.6 Coral · ΔE 20.2 Dark red · ΔE 22.2 Brown · ΔE 22.3

Nearest named CSS colourTomato (#FF6347)ΔE 15.04, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1FA8CD

Analogous#CD1F51, #CD9B1F

Triadic#1FCD44, #441FCD

Split complementary#1FCD9B, #1F51CD

Tetradic#51CD1F, #1FA8CD, #9B1FCD

Tints, shades & saturation

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

Lighter +40%#F6CDC2

Lighter +30%#EFA996

Lighter +20%#E8856A

Lighter +10%#E2603D

Darker −10%#A13518

Darker −20%#742712

Darker −30%#48180B

Darker −40%#1C0904

More saturated +25%#EB3301

Less saturated −25%#B0553C

Channel breakdown

R205

G68

B31

Red205 (80.4%)

Green68 (26.7%)

Blue31 (12.2%)

Hue12.76°

Saturation (HSL)73.73%

Lightness46.27%

Dominant channelRed

Hex per channelR CD · G 44 · B 1F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Cd441F (chemical formula)

Formula
49,591.808 g/mol
442 atoms

Cd441F has a molar mass of 49,591.808 g/mol, made up of 442 atoms across 2 elements: 441 × Cd, 1 × F.

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Molar mass

Molar mass49,591.808 g/mol

Total atoms per molecule442

Distinct elements2

Mass of one molecule8.2349135 × 10^-20 g

Molecules per gram1.2143418 × 10^19

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%

F0%

Cadmium (Cd × 441)49,572.81 g/mol, 99.962%

Fluorine (F)18.998 g/mol, 0.038%

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