Recognised as Colour

#C30741

#C30741
Red
Dark
Nearest: Crimson

#C30741 is a red with RGB values 195, 7, 65 and HSL 341°, 93%, 40%. 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

#C30741#C30741

HEX#C30741

RGBrgb(195, 7, 65)

RGB (0–1)0.7647, 0.0275, 0.2549

RGB percentages76.5%, 2.7%, 25.5%

HSLhsl(341.5, 93.1%, 39.6%)

HSV / HSBhsv(341.5, 96.4%, 76.5%)

CMYK0%, 96.4%, 66.7%, 23.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,781,377

CSS custom property--colour: #C30741;

Brightness & contrast

Relative luminance0.12136WCAG 2.x, 0 is black and 1 is white

Perceived brightness109 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.13:1

Contrast with white6.13:1WCAG normal text: AA

Contrast with black3.43:1WCAG normal text: Fail

Greyscale equivalent#333333

Inverted#3CF8BE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4D4A41no red cones; affects about 1% of men; ΔE 69.7 from the original

Deuteranopia#796E3Cno green cones; the most common form, about 1% of men; ΔE 70 from the original

Tritanopia#D60027no blue cones; rare, and affects men and women equally; ΔE 21.3 from the original

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

Contrast with white, large text6.13:1WCAG large text: AAA

Contrast with black, large text3.43:1WCAG large text: AA

Named colours

Crimson · ΔE 13.2 Firebrick · ΔE 18.6 Brown · ΔE 19 Indian red · ΔE 24.7 Dark red · ΔE 27.7 Maroon · ΔE 28.9

Nearest named CSS colourCrimson (#DC143C)ΔE 13.23, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#07C389

Analogous#C3079F, #C32B07

Triadic#41C307, #0741C3

Split complementary#07C32B, #079FC3

Tetradic#9FC307, #07C389, #2B07C3

Tints, shades & saturation

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

Lighter +40%#FB9BB8

Lighter +30%#FA6996

Lighter +20%#F83873

Lighter +10%#F40951

Darker −10%#920531

Darker −20%#610320

Darker −30%#2F0210

Darker −40%#000000

More saturated +25%#CA003E

Less saturated −25%#AA204B

Channel breakdown

R195

B65

Red195 (76.5%)

Green7 (2.7%)

Blue65 (25.5%)

Hue341.49°

Saturation (HSL)93.07%

Lightness39.61%

Dominant channelRed

Hex per channelR C3 · G 07 · B 41

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C30741 (chemical formula)

Formula
369,230.151 g/mol
30741 atoms

C30741 has a molar mass of 369,230.151 g/mol, made up of 30741 atoms across 1 element: 30741 × C.

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Molar mass

Molar mass369,230.151 g/mol

Total atoms per molecule30741

Distinct elements1

Mass of one molecule6.1312109 × 10^-19 g

Molecules per gram1.6309992 × 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

C100%

Carbon (C × 30741)369,230.151 g/mol, 100%

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Elements in this formula

Carbon

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