Colour

#C31759

#C31759
Red
Dark
Nearest: Medium violet red

#C31759 is a red with RGB values 195, 23, 89 and HSL 337°, 79%, 43%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#C31759#C31759

HEX#C31759

RGBrgb(195, 23, 89)

RGB (0–1)0.7647, 0.0902, 0.349

RGB percentages76.5%, 9%, 34.9%

HSLhsl(337, 78.9%, 42.7%)

HSV / HSBhsv(337, 88.2%, 76.5%)

CMYK0%, 88.2%, 54.4%, 23.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,785,497

CSS custom property--colour: #C31759;

Brightness & contrast

Relative luminance0.12936WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.85:1

Contrast with white5.85:1WCAG normal text: AA

Contrast with black3.59:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#3CE8A6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C4F5Ano red cones; affects about 1% of men; ΔE 67 from the original

Deuteranopia#777055no green cones; the most common form, about 1% of men; ΔE 68.3 from the original

Tritanopia#D50037no blue cones; rare, and affects men and women equally; ΔE 25.3 from the original

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

Contrast with white, large text5.85:1WCAG large text: AAA

Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Medium violet red · ΔE 24.8 Crimson · ΔE 25.5 Indian red · ΔE 27 Deep pink · ΔE 27.3 Brown · ΔE 27.4 Pale violetred · ΔE 28.4

Nearest named CSS colourMedium violet red (#C71585)ΔE 24.81, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17C381

Analogous#C317AF, #C32B17

Triadic#59C317, #1759C3

Split complementary#17C32B, #17AFC3

Tetradic#AFC317, #17C381, #2B17C3

Tints, shades & saturation

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

Lighter +40%#F6B0CB

Lighter +30%#F083AD

Lighter +20%#EB558F

Lighter +10%#E62770

Darker −10%#951244

Darker −20%#680C2F

Darker −30%#3A071B

Darker −40%#0D0106

More saturated +25%#DA0054

Less saturated −25%#A8325F

Channel breakdown

R195

G23

B89

Red195 (76.5%)

Green23 (9%)

Blue89 (34.9%)

Hue336.98°

Saturation (HSL)78.9%

Lightness42.75%

Dominant channelRed

Hex per channelR C3 · G 17 · B 59

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

C31759 (chemical formula)

Formula
381,457.349 g/mol
31759 atoms

C31759 has a molar mass of 381,457.349 g/mol, made up of 31759 atoms across 1 element: 31759 × C.

Open this reading on its own page →

Molar mass

Molar mass381,457.349 g/mol

Total atoms per molecule31759

Distinct elements1

Mass of one molecule6.3342483 × 10^-19 g

Molecules per gram1.5787193 × 10^18

Composition by mass

C100%

Carbon (C × 31759)381,457.349 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Carbon

Nerdulate something else

Nothing in mind? Surprise me · today’s page