Recognised as Colour

#C70039

#C70039
Red
Dark
Nearest: Crimson

#C70039 is a red with RGB values 199, 0, 57 and HSL 343°, 100%, 39%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C70039#C70039

HEX#C70039

RGBrgb(199, 0, 57)

RGB (0–1)0.7804, 0, 0.2235

RGB percentages78%, 0%, 22.4%

HSLhsl(342.8, 100%, 39%)

HSV / HSBhsv(342.8, 100%, 78%)

CMYK0%, 100%, 71.4%, 22%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,041,721

CSS custom property--colour: #C70039;

Brightness & contrast

Relative luminance0.12438WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.02:1

Contrast with white6.02:1WCAG normal text: AA

Contrast with black3.49:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#38FFC6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4B39no red cones; affects about 1% of men; ΔE 72.2 from the original

Deuteranopia#7C7033no green cones; the most common form, about 1% of men; ΔE 71.9 from the original

Tritanopia#DB0021no blue cones; rare, and affects men and women equally; ΔE 20.1 from the original

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

Contrast with white, large text6.02:1WCAG large text: AAA

Contrast with black, large text3.49:1WCAG large text: AA

Named colours

Crimson · ΔE 8.1 Firebrick · ΔE 15.3 Brown · ΔE 18.7 Dark red · ΔE 25.3 Indian red · ΔE 26.3 Maroon · ΔE 27.4

Nearest named CSS colourCrimson (#DC143C)ΔE 8.07, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C78E

Analogous#C7009D, #C72B00

Triadic#39C700, #0039C7

Split complementary#00C72B, #009CC7

Tetradic#9CC700, #00C78E, #2A00C7

Tints, shades & saturation

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

Lighter +40%#FF94B3

Lighter +30%#FF618E

Lighter +20%#FF2E6A

Lighter +10%#FA0048

Darker −10%#94002A

Darker −20%#61001C

Darker −30%#2E000D

Darker −40%#000000

More saturated +25%#C70039

Less saturated −25%#AE1944

Channel breakdown

R199

B57

Red199 (78%)

Green0 (0%)

Blue57 (22.4%)

Hue342.81°

Saturation (HSL)100%

Lightness39.02%

Dominant channelRed

Hex per channelR C7 · G 00 · B 39

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C70039 (chemical formula)

Formula
841,238.429 g/mol
70039 atoms

C70039 has a molar mass of 841,238.429 g/mol, made up of 70039 atoms across 1 element: 70039 × C.

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Molar mass

Molar mass841,238.429 g/mol

Total atoms per molecule70039

Distinct elements1

Mass of one molecule1.3969093 × 10^-18 g

Molecules per gram7.158661 × 10^17

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

C100%

Carbon (C × 70039)841,238.429 g/mol, 100%

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Elements in this formula

Carbon

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