Recognised as Colour

#C90245

#C90245
Red
Dark
Nearest: Crimson

#C90245 is a red with RGB values 201, 2, 69 and HSL 340°, 98%, 40%. 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

#C90245#C90245

HEX#C90245

RGBrgb(201, 2, 69)

RGB (0–1)0.7882, 0.0078, 0.2706

RGB percentages78.8%, 0.8%, 27.1%

HSLhsl(339.8, 98%, 39.8%)

HSV / HSBhsv(339.8, 99%, 78.8%)

CMYK0%, 99%, 65.7%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,173,317

CSS custom property--colour: #C90245;

Brightness & contrast

Relative luminance0.12891WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.87:1

Contrast with white5.87:1WCAG normal text: AA

Contrast with black3.58:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#36FDBA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4D45no red cones; affects about 1% of men; ΔE 72 from the original

Deuteranopia#7C7240no green cones; the most common form, about 1% of men; ΔE 72.7 from the original

Tritanopia#DD0028no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original

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

Contrast with white, large text5.87:1WCAG large text: AAA

Contrast with black, large text3.58:1WCAG large text: AA

Named colours

Crimson · ΔE 12.9 Firebrick · ΔE 20.6 Brown · ΔE 21.4 Indian red · ΔE 26.1 Dark red · ΔE 30 Maroon · ΔE 31.3

Nearest named CSS colourCrimson (#DC143C)ΔE 12.9, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#02C986

Analogous#C902A8, #C92302

Triadic#45C902, #0245C9

Split complementary#02C923, #02A8C9

Tetradic#A8C902, #02C986, #2302C9

Tints, shades & saturation

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

Lighter +40%#FE99BB

Lighter +30%#FD6799

Lighter +20%#FD3478

Lighter +10%#FB0356

Darker −10%#970134

Darker −20%#640122

Darker −30%#320011

Darker −40%#000000

More saturated +25%#CB0044

Less saturated −25%#B01B4D

Channel breakdown

R201

B69

Red201 (78.8%)

Green2 (0.8%)

Blue69 (27.1%)

Hue339.8°

Saturation (HSL)98.03%

Lightness39.8%

Dominant channelRed

Hex per channelR C9 · G 02 · B 45

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C90245 (chemical formula)

Formula
1,083,932.695 g/mol
90245 atoms

C90245 has a molar mass of 1,083,932.695 g/mol, made up of 90245 atoms across 1 element: 90245 × C.

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Molar mass

Molar mass1,083,932.695 g/mol

Total atoms per molecule90245

Distinct elements1

Mass of one molecule1.7999126 × 10^-18 g

Molecules per gram5.5558254 × 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 × 90245)1,083,932.695 g/mol, 100%

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Elements in this formula

Carbon

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