Recognised as Colour

#CF203C

#CF203C
Red
Dark
Nearest: Crimson

#CF203C is a red with RGB values 207, 32, 60 and HSL 350°, 73%, 47%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CF203C#CF203C

HEX#CF203C

RGBrgb(207, 32, 60)

RGB (0–1)0.8118, 0.1255, 0.2353

RGB percentages81.2%, 12.5%, 23.5%

HSLhsl(350.4, 73.2%, 46.9%)

HSV / HSBhsv(350.4, 84.5%, 81.2%)

CMYK0%, 84.5%, 71%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,574,204

CSS custom property--colour: #CF203C;

Brightness & contrast

Relative luminance0.14625WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.6 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 black3.92:1WCAG normal text: Fail

Greyscale equivalent#474747

Inverted#30DFC3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#59533Bno red cones; affects about 1% of men; ΔE 69.8 from the original

Deuteranopia#847836no green cones; the most common form, about 1% of men; ΔE 70.3 from the original

Tritanopia#E4002Dno blue cones; rare, and affects men and women equally; ΔE 15.9 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 text3.92:1WCAG large text: AA

Named colours

Crimson · ΔE 6.4 Firebrick · ΔE 13.3 Brown · ΔE 17.5 Indian red · ΔE 23.9 Tomato · ΔE 24.5 Dark red · ΔE 24.8

Nearest named CSS colourCrimson (#DC143C)ΔE 6.44, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#20CFB3

Analogous#CF2093, #CF5B20

Triadic#3CCF20, #203CCF

Split complementary#20CF5B, #2094CF

Tetradic#94CF20, #20CFB3, #5B20CF

Tints, shades & saturation

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

Lighter +40%#F6C5CD

Lighter +30%#EF99A7

Lighter +20%#E86D80

Lighter +10%#E2405A

Darker −10%#A3192F

Darker −20%#771222

Darker −30%#4A0C16

Darker −40%#1E0509

More saturated +25%#ED0228

Less saturated −25%#B13E50

Channel breakdown

R207

G32

B60

Red207 (81.2%)

Green32 (12.5%)

Blue60 (23.5%)

Hue350.4°

Saturation (HSL)73.22%

Lightness46.86%

Dominant channelRed

Hex per channelR CF · G 20 · B 3C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF203C (chemical formula)

Formula
3,880.616 g/mol
205 atoms

CF203C has a molar mass of 3,880.616 g/mol, made up of 205 atoms across 2 elements: 2 × C, 203 × F.

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Molar mass

Molar mass3,880.616 g/mol

Total atoms per molecule205

Distinct elements2

Mass of one molecule6.4439145 × 10^-21 g

Molecules per gram1.5518518 × 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

C0.6%

F99.4%

Carbon (C × 2)24.022 g/mol, 0.619%

Fluorine (F × 203)3,856.594 g/mol, 99.381%

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