Recognised as Colour

#CD4F35

#CD4F35
Red
Dark
Nearest: Firebrick

#CD4F35 is a red with RGB values 205, 79, 53 and HSL 10°, 60%, 51%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CD4F35#CD4F35

HEX#CD4F35

RGBrgb(205, 79, 53)

RGB (0–1)0.8039, 0.3098, 0.2078

RGB percentages80.4%, 31%, 20.8%

HSLhsl(10.3, 60.3%, 50.6%)

HSV / HSBhsv(10.3, 74.1%, 80.4%)

CMYK0%, 61.5%, 74.1%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,455,157

CSS custom property--colour: #CD4F35;

Brightness & contrast

Relative luminance0.18828WCAG 2.x, 0 is black and 1 is white

Perceived brightness128.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.77:1

Contrast with white4.41:1WCAG normal text: Fail

Contrast with black4.77:1WCAG normal text: AA

Greyscale equivalent#686868

Inverted#32B0CA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#726732no red cones; affects about 1% of men; ΔE 53.1 from the original

Deuteranopia#918331no green cones; the most common form, about 1% of men; ΔE 53.7 from the original

Tritanopia#E1314Ano blue cones; rare, and affects men and women equally; ΔE 21.5 from the original

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

Contrast with white, large text4.41:1WCAG large text: AA

Contrast with black, large text4.77:1WCAG large text: AAA

Named colours

Firebrick · ΔE 13.9 Tomato · ΔE 16 Brown · ΔE 16.5 Coral · ΔE 18.4 Indian red · ΔE 19.2 Chocolate · ΔE 20.5

Nearest named CSS colourFirebrick (#B22222)ΔE 13.91, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#35B3CD

Analogous#CD3567, #CD9B35

Triadic#35CD4F, #4F35CD

Split complementary#35CD9B, #3567CD

Tetradic#67CD35, #35B3CD, #9B35CD

Tints, shades & saturation

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

Lighter +40%#F5DDD9

Lighter +30%#EBBAB0

Lighter +20%#E19687

Lighter +10%#D7735E

Darker −10%#A63E29

Darker −20%#7D2F1F

Darker −30%#542015

Darker −40%#2B100B

More saturated +25%#ED3A15

Less saturated −25%#AE6455

Channel breakdown

R205

G79

B53

Red205 (80.4%)

Green79 (31%)

Blue53 (20.8%)

Hue10.26°

Saturation (HSL)60.32%

Lightness50.59%

Dominant channelRed

Hex per channelR CD · G 4F · B 35

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

Cd4F35 (chemical formula)

Formula
1,114.57 g/mol
39 atoms

Cd4F35 has a molar mass of 1,114.57 g/mol, made up of 39 atoms across 2 elements: 4 × Cd, 35 × F.

Open this reading on its own page →

Molar mass

Molar mass1,114.57 g/mol

Total atoms per molecule39

Distinct elements2

Mass of one molecule1.850787 × 10^-21 g

Molecules per gram5.4031068 × 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

Cd40.3%

F59.7%

Cadmium (Cd × 4)449.64 g/mol, 40.342%

Fluorine (F × 35)664.93 g/mol, 59.658%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page