Colour

#CF2534

#CF2534
Red
Dark
Nearest: Crimson

#CF2534 is a red with RGB values 207, 37, 52 and HSL 355°, 70%, 48%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CF2534#CF2534

HEX#CF2534

RGBrgb(207, 37, 52)

RGB (0–1)0.8118, 0.1451, 0.2039

RGB percentages81.2%, 14.5%, 20.4%

HSLhsl(354.7, 69.7%, 47.8%)

HSV / HSBhsv(354.7, 82.1%, 81.2%)

CMYK0%, 82.1%, 74.9%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,575,476

CSS custom property--colour: #CF2534;

Brightness & contrast

Relative luminance0.14836WCAG 2.x, 0 is black and 1 is white

Perceived brightness118 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.29:1

Contrast with white5.29:1WCAG normal text: AA

Contrast with black3.97:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#30DACB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5C5433no red cones; affects about 1% of men; ΔE 68.6 from the original

Deuteranopia#86782Dno green cones; the most common form, about 1% of men; ΔE 68.5 from the original

Tritanopia#E4002Dno blue cones; rare, and affects men and women equally; ΔE 13.1 from the original

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

Contrast with white, large text5.29:1WCAG large text: AAA

Contrast with black, large text3.97:1WCAG large text: AA

Named colours

Crimson · ΔE 7.4 Firebrick · ΔE 10.4 Brown · ΔE 17.2 Tomato · ΔE 20.8 Dark red · ΔE 22.4 Indian red · ΔE 24.9

Nearest named CSS colourCrimson (#DC143C)ΔE 7.41, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25CFC0

Analogous#CF2589, #CF6B25

Triadic#34CF25, #2534CF

Split complementary#25CF6B, #2589CF

Tetradic#89CF25, #25CFC0, #6B25CF

Tints, shades & saturation

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

Lighter +40%#F6CACE

Lighter +30%#EE9FA6

Lighter +20%#E6747E

Lighter +10%#DE4956

Darker −10%#A41D29

Darker −20%#78161E

Darker −30%#4D0E13

Darker −40%#220609

More saturated +25%#ED071B

Less saturated −25%#B1444D

Channel breakdown

R207

G37

B52

Red207 (81.2%)

Green37 (14.5%)

Blue52 (20.4%)

Hue354.71°

Saturation (HSL)69.67%

Lightness47.84%

Dominant channelRed

Hex per channelR CF · G 25 · B 34

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF2534 (chemical formula)

Formula
48,152.943 g/mol
2535 atoms

CF2534 has a molar mass of 48,152.943 g/mol, made up of 2535 atoms across 2 elements: 1 × C, 2534 × F.

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Molar mass

Molar mass48,152.943 g/mol

Total atoms per molecule2535

Distinct elements2

Mass of one molecule7.9959843 × 10^-20 g

Molecules per gram1.2506278 × 10^19

Composition by mass

C0%

F100%

Carbon (C)12.011 g/mol, 0.025%

Fluorine (F × 2534)48,140.932 g/mol, 99.975%

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