Recognised as Colour

#C51141

#C51141
Red
Dark
Nearest: Crimson

#C51141 is a red with RGB values 197, 17, 65 and HSL 344°, 84%, 42%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#C51141#C51141

HEX#C51141

RGBrgb(197, 17, 65)

RGB (0–1)0.7725, 0.0667, 0.2549

RGB percentages77.3%, 6.7%, 25.5%

HSLhsl(344, 84.1%, 42%)

HSV / HSBhsv(344, 91.4%, 77.3%)

CMYK0%, 91.4%, 67%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,915,009

CSS custom property--colour: #C51141;

Brightness & contrast

Relative luminance0.12653WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.95:1

Contrast with white5.95:1WCAG normal text: AA

Contrast with black3.53:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#3AEEBE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504D41no red cones; affects about 1% of men; ΔE 69.5 from the original

Deuteranopia#7B703Cno green cones; the most common form, about 1% of men; ΔE 69.6 from the original

Tritanopia#D90029no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original

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

Contrast with white, large text5.95:1WCAG large text: AAA

Contrast with black, large text3.53:1WCAG large text: AA

Named colours

Crimson · ΔE 12.2 Firebrick · ΔE 17.5 Brown · ΔE 18.2 Indian red · ΔE 23.8 Dark red · ΔE 27.1 Maroon · ΔE 28.3

Nearest named CSS colourCrimson (#DC143C)ΔE 12.22, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#11C595

Analogous#C5119B, #C53B11

Triadic#41C511, #1141C5

Split complementary#11C53B, #119BC5

Tetradic#9BC511, #11C595, #3B11C5

Tints, shades & saturation

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

Lighter +40%#F8AABF

Lighter +30%#F47B9B

Lighter +20%#F04C78

Lighter +10%#EC1D54

Darker −10%#960D32

Darker −20%#670922

Darker −30%#380513

Darker −40%#090103

More saturated +25%#D60039

Less saturated −25%#AA2C4D

Channel breakdown

R197

G17

B65

Red197 (77.3%)

Green17 (6.7%)

Blue65 (25.5%)

Hue344°

Saturation (HSL)84.11%

Lightness41.96%

Dominant channelRed

Hex per channelR C5 · G 11 · B 41

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C51141 (chemical formula)

Formula
614,254.551 g/mol
51141 atoms

C51141 has a molar mass of 614,254.551 g/mol, made up of 51141 atoms across 1 element: 51141 × C.

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Molar mass

Molar mass614,254.551 g/mol

Total atoms per molecule51141

Distinct elements1

Mass of one molecule1.0199937 × 10^-18 g

Molecules per gram9.8039823 × 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 × 51141)614,254.551 g/mol, 100%

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Elements in this formula

Carbon

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