Recognised as Colour

#CD644F

#CD644F
Red
Dark
Nearest: Indian red

#CD644F is a red with RGB values 205, 100, 79 and HSL 10°, 56%, 56%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#CD644F#CD644F

HEX#CD644F

RGBrgb(205, 100, 79)

RGB (0–1)0.8039, 0.3922, 0.3098

RGB percentages80.4%, 39.2%, 31%

HSLhsl(10, 55.8%, 55.7%)

HSV / HSBhsv(10, 61.5%, 80.4%)

CMYK0%, 51.2%, 61.5%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,460,559

CSS custom property--colour: #CD644F;

Brightness & contrast

Relative luminance0.22658WCAG 2.x, 0 is black and 1 is white

Perceived brightness138.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.53:1

Contrast with white3.8:1WCAG normal text: Fail

Contrast with black5.53:1WCAG normal text: AA

Greyscale equivalent#797979

Inverted#329BB0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7F754Dno red cones; affects about 1% of men; ΔE 43.4 from the original

Deuteranopia#988C4Dno green cones; the most common form, about 1% of men; ΔE 44.6 from the original

Tritanopia#E0515Fno blue cones; rare, and affects men and women equally; ΔE 18.8 from the original

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

Contrast with white, large text3.8:1WCAG large text: AA

Contrast with black, large text5.53:1WCAG large text: AAA

Named colours

Indian red · ΔE 10.5 Salmon · ΔE 13.8 Sienna · ΔE 15.8 Light coral · ΔE 16.7 Dark salmon · ΔE 19.5 Brown · ΔE 19.8

Nearest named CSS colourIndian red (#CD5C5C)ΔE 10.52, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4FB8CD

Analogous#CD4F79, #CDA34F

Triadic#4FCD64, #644FCD

Split complementary#4FCDA3, #4F79CD

Tetradic#79CD4F, #4FB8CD, #A34FCD

Tints, shades & saturation

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

Lighter +40%#FAF0EE

Lighter +30%#EFCDC6

Lighter +20%#E4AA9E

Lighter +10%#D88777

Darker −10%#B54934

Darker −20%#8E3928

Darker −30%#66291D

Darker −40%#3E1912

More saturated +25%#E95133

Less saturated −25%#B1776B

Channel breakdown

R205

G100

B79

Red205 (80.4%)

Green100 (39.2%)

Blue79 (31%)

Hue10°

Saturation (HSL)55.75%

Lightness55.69%

Dominant channelRed

Hex per channelR CD · G 64 · B 4F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Cd644F (chemical formula)

Formula
72,411.038 g/mol
645 atoms

Cd644F has a molar mass of 72,411.038 g/mol, made up of 645 atoms across 2 elements: 644 × Cd, 1 × F.

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Molar mass

Molar mass72,411.038 g/mol

Total atoms per molecule645

Distinct elements2

Mass of one molecule1.2024136 × 10^-19 g

Molecules per gram8.316606 × 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%

F0%

Cadmium (Cd × 644)72,392.04 g/mol, 99.974%

Fluorine (F)18.998 g/mol, 0.026%

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Elements in this formula

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