Recognised as Colour

#C70024

#C70024
Red
Dark
Nearest: Crimson

#C70024 is a red with RGB values 199, 0, 36 and HSL 349°, 100%, 39%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C70024#C70024

HEX#C70024

RGBrgb(199, 0, 36)

RGB (0–1)0.7804, 0, 0.1412

RGB percentages78%, 0%, 14.1%

HSLhsl(349.1, 100%, 39%)

HSV / HSBhsv(349.1, 100%, 78%)

CMYK0%, 100%, 81.9%, 22%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,041,700

CSS custom property--colour: #C70024;

Brightness & contrast

Relative luminance0.12269WCAG 2.x, 0 is black and 1 is white

Perceived brightness109.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.08:1

Contrast with white6.08:1WCAG normal text: AA

Contrast with black3.45:1WCAG normal text: Fail

Greyscale equivalent#2D2D2D

Inverted#38FFDB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#524922no red cones; affects about 1% of men; ΔE 71.7 from the original

Deuteranopia#7D701Ano green cones; the most common form, about 1% of men; ΔE 72.2 from the original

Tritanopia#DC0016no blue cones; rare, and affects men and women equally; ΔE 14 from the original

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

Contrast with white, large text6.08:1WCAG large text: AAA

Contrast with black, large text3.45:1WCAG large text: AA

Named colours

Crimson · ΔE 9.6 Firebrick · ΔE 11.7 Brown · ΔE 20.4 Dark red · ΔE 21 Tomato · ΔE 23.3 Maroon · ΔE 25

Nearest named CSS colourCrimson (#DC143C)ΔE 9.59, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C7A3

Analogous#C70087, #C74000

Triadic#24C700, #0024C7

Split complementary#00C740, #0087C7

Tetradic#87C700, #00C7A3, #4000C7

Tints, shades & saturation

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

Lighter +40%#FF94A7

Lighter +30%#FF617E

Lighter +20%#FF2E54

Lighter +10%#FA002D

Darker −10%#94001B

Darker −20%#610012

Darker −30%#2E0008

Darker −40%#000000

More saturated +25%#C70024

Less saturated −25%#AE1934

Channel breakdown

R199

B36

Red199 (78%)

Green0 (0%)

Blue36 (14.1%)

Hue349.15°

Saturation (HSL)100%

Lightness39.02%

Dominant channelRed

Hex per channelR C7 · G 00 · B 24

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C70024 (chemical formula)

Formula
841,058.264 g/mol
70024 atoms

C70024 has a molar mass of 841,058.264 g/mol, made up of 70024 atoms across 1 element: 70024 × C.

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Molar mass

Molar mass841,058.264 g/mol

Total atoms per molecule70024

Distinct elements1

Mass of one molecule1.3966101 × 10^-18 g

Molecules per gram7.1601945 × 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 × 70024)841,058.264 g/mol, 100%

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Elements in this formula

Carbon

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