Recognised as Colour

#CF5544

#CF5544
Red
Dark
Nearest: Indian red

#CF5544 is a red with RGB values 207, 85, 68 and HSL 7°, 59%, 54%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#CF5544#CF5544

HEX#CF5544

RGBrgb(207, 85, 68)

RGB (0–1)0.8118, 0.3333, 0.2667

RGB percentages81.2%, 33.3%, 26.7%

HSLhsl(7.3, 59.1%, 53.9%)

HSV / HSBhsv(7.3, 67.1%, 81.2%)

CMYK0%, 58.9%, 67.1%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,587,780

CSS custom property--colour: #CF5544;

Brightness & contrast

Relative luminance0.2018WCAG 2.x, 0 is black and 1 is white

Perceived brightness132.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.04:1

Contrast with white4.17:1WCAG normal text: Fail

Contrast with black5.04:1WCAG normal text: AA

Greyscale equivalent#6E6E6E

Inverted#30AABB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#756C42no red cones; affects about 1% of men; ΔE 51.6 from the original

Deuteranopia#948641no green cones; the most common form, about 1% of men; ΔE 51.5 from the original

Tritanopia#E33B51no blue cones; rare, and affects men and women equally; ΔE 18.9 from the original

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

Contrast with white, large text4.17:1WCAG large text: AA

Contrast with black, large text5.04:1WCAG large text: AAA

Named colours

Indian red · ΔE 12.5 Brown · ΔE 15.2 Firebrick · ΔE 15.9 Salmon · ΔE 16.2 Tomato · ΔE 19 Sienna · ΔE 19.8

Nearest named CSS colourIndian red (#CD5C5C)ΔE 12.51, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#44BECF

Analogous#CF4478, #CF9A44

Triadic#44CF55, #5544CF

Split complementary#44CF9A, #4479CF

Tetradic#79CF44, #44BECF, #9B44CF

Tints, shades & saturation

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

Lighter +40%#F9E9E6

Lighter +30%#EEC4BE

Lighter +20%#E49F95

Lighter +10%#D97A6D

Darker −10%#B23E2E

Darker −20%#8A3023

Darker −30%#612219

Darker −40%#38140F

More saturated +25%#EC3F27

Less saturated −25%#B26B61

Channel breakdown

R207

G85

B68

Red207 (81.2%)

Green85 (33.3%)

Blue68 (26.7%)

Hue7.34°

Saturation (HSL)59.15%

Lightness53.92%

Dominant channelRed

Hex per channelR CF · G 55 · B 44

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF5544 (chemical formula)

Formula
105,336.923 g/mol
5545 atoms

CF5544 has a molar mass of 105,336.923 g/mol, made up of 5545 atoms across 2 elements: 1 × C, 5544 × F.

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Molar mass

Molar mass105,336.923 g/mol

Total atoms per molecule5545

Distinct elements2

Mass of one molecule1.7491608 × 10^-19 g

Molecules per gram5.7170274 × 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

C0%

F100%

Carbon (C)12.011 g/mol, 0.011%

Fluorine (F × 5544)105,324.912 g/mol, 99.989%

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