Recognised as Colour

#CC503F

#CC503F
Red
Dark
Nearest: Indian red

#CC503F is a red with RGB values 204, 80, 63 and HSL 7°, 58%, 52%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#CC503F#CC503F

HEX#CC503F

RGBrgb(204, 80, 63)

RGB (0–1)0.8, 0.3137, 0.2471

RGB percentages80%, 31.4%, 24.7%

HSLhsl(7.2, 58%, 52.4%)

HSV / HSBhsv(7.2, 69.1%, 80%)

CMYK0%, 60.8%, 69.1%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,389,887

CSS custom property--colour: #CC503F;

Brightness & contrast

Relative luminance0.18934WCAG 2.x, 0 is black and 1 is white

Perceived brightness129 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.79:1

Contrast with white4.39:1WCAG normal text: Fail

Contrast with black4.79:1WCAG normal text: AA

Greyscale equivalent#696969

Inverted#33AFC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#71683Dno red cones; affects about 1% of men; ΔE 52.7 from the original

Deuteranopia#90833Cno green cones; the most common form, about 1% of men; ΔE 53 from the original

Tritanopia#E0344Dno blue cones; rare, and affects men and women equally; ΔE 19.2 from the original

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

Contrast with white, large text4.39:1WCAG large text: AA

Contrast with black, large text4.79:1WCAG large text: AAA

Named colours

Indian red · ΔE 13.9 Brown · ΔE 14 Firebrick · ΔE 14 Salmon · ΔE 18 Tomato · ΔE 18.7 Sienna · ΔE 20.1

Nearest named CSS colourIndian red (#CD5C5C)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#3FBBCC

Analogous#CC3F75, #CC973F

Triadic#3FCC50, #503FCC

Split complementary#3FCC97, #3F74CC

Tetradic#74CC3F, #3FBBCC, #973FCC

Tints, shades & saturation

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

Lighter +40%#F7E3E0

Lighter +30%#ECBEB8

Lighter +20%#E19990

Lighter +10%#D77567

Darker −10%#AB3C2D

Darker −20%#822E23

Darker −30%#5A2018

Darker −40%#32120D

More saturated +25%#EA3921

Less saturated −25%#AE675D

Channel breakdown

R204

G80

B63

Red204 (80%)

Green80 (31.4%)

Blue63 (24.7%)

Hue7.23°

Saturation (HSL)58.02%

Lightness52.35%

Dominant channelRed

Hex per channelR CC · G 50 · B 3F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CC503F (chemical formula)

Formula
6,072.542 g/mol
505 atoms

CC503F has a molar mass of 6,072.542 g/mol, made up of 505 atoms across 2 elements: 504 × C, 1 × F.

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Molar mass

Molar mass6,072.542 g/mol

Total atoms per molecule505

Distinct elements2

Mass of one molecule1.0083693 × 10^-20 g

Molecules per gram9.9170014 × 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

C99.7%

F0.3%

Carbon (C × 504)6,053.544 g/mol, 99.687%

Fluorine (F)18.998 g/mol, 0.313%

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Elements in this formula

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