Recognised as Colour

#C23F55

#C23F55
Red
Dark
Nearest: Indian red

#C23F55 is a red with RGB values 194, 63, 85 and HSL 350°, 52%, 50%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#C23F55#C23F55

HEX#C23F55

RGBrgb(194, 63, 85)

RGB (0–1)0.7608, 0.2471, 0.3333

RGB percentages76.1%, 24.7%, 33.3%

HSLhsl(349.9, 51.8%, 50.4%)

HSV / HSBhsv(349.9, 67.5%, 76.1%)

CMYK0%, 67.5%, 56.2%, 23.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,730,197

CSS custom property--colour: #C23F55;

Brightness & contrast

Relative luminance0.1568WCAG 2.x, 0 is black and 1 is white

Perceived brightness120 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.08:1

Contrast with white5.08:1WCAG normal text: AA

Contrast with black4.14:1WCAG normal text: Fail

Greyscale equivalent#5C5C5C

Inverted#3DC0AA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605D55no red cones; affects about 1% of men; ΔE 55.7 from the original

Deuteranopia#817852no green cones; the most common form, about 1% of men; ΔE 56.6 from the original

Tritanopia#D42448no blue cones; rare, and affects men and women equally; ΔE 15.6 from the original

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

Contrast with white, large text5.08:1WCAG large text: AAA

Contrast with black, large text4.14:1WCAG large text: AA

Named colours

Indian red · ΔE 12.3 Brown · ΔE 16.9 Firebrick · ΔE 22.2 Light coral · ΔE 22.5 Pale violetred · ΔE 23 Crimson · ΔE 24.2

Nearest named CSS colourIndian red (#CD5C5C)ΔE 12.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3FC2AC

Analogous#C23F97, #C26A3F

Triadic#55C23F, #3F55C2

Split complementary#3FC26A, #3F97C2

Tetradic#97C23F, #3FC2AC, #6A3FC2

Tints, shades & saturation

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

Lighter +40%#F3DADE

Lighter +30%#E7B3BC

Lighter +20%#DB8C9A

Lighter +10%#CE6677

Darker −10%#9C3244

Darker −20%#762533

Darker −30%#4F1922

Darker −40%#280D11

More saturated +25%#E21F40

Less saturated −25%#A25F6A

Channel breakdown

R194

G63

B85

Red194 (76.1%)

Green63 (24.7%)

Blue85 (33.3%)

Hue349.92°

Saturation (HSL)51.78%

Lightness50.39%

Dominant channelRed

Hex per channelR C2 · G 3F · B 55

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C23F55 (chemical formula)

Formula
1,321.143 g/mol
78 atoms

C23F55 has a molar mass of 1,321.143 g/mol, made up of 78 atoms across 2 elements: 23 × C, 55 × F.

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Molar mass

Molar mass1,321.143 g/mol

Total atoms per molecule78

Distinct elements2

Mass of one molecule2.1938096 × 10^-21 g

Molecules per gram4.5582808 × 10^20

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

C20.9%

F79.1%

Carbon (C × 23)276.253 g/mol, 20.91%

Fluorine (F × 55)1,044.89 g/mol, 79.09%

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Elements in this formula

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