Recognised as Colour

#C90135

#C90135
Red
Dark
Nearest: Crimson

#C90135 is a red with RGB values 201, 1, 53 and HSL 344°, 99%, 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

#C90135#C90135

HEX#C90135

RGBrgb(201, 1, 53)

RGB (0–1)0.7882, 0.0039, 0.2078

RGB percentages78.8%, 0.4%, 20.8%

HSLhsl(344.4, 99%, 39.6%)

HSV / HSBhsv(344.4, 99.5%, 78.8%)

CMYK0%, 99.5%, 73.6%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,173,045

CSS custom property--colour: #C90135;

Brightness & contrast

Relative luminance0.12696WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.93:1

Contrast with white5.93:1WCAG normal text: AA

Contrast with black3.54:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#36FECA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#514B35no red cones; affects about 1% of men; ΔE 72.2 from the original

Deuteranopia#7D712Eno green cones; the most common form, about 1% of men; ΔE 72.6 from the original

Tritanopia#DE001Fno blue cones; rare, and affects men and women equally; ΔE 19 from the original

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

Contrast with white, large text5.93:1WCAG large text: AAA

Contrast with black, large text3.54:1WCAG large text: AA

Named colours

Crimson · ΔE 6 Firebrick · ΔE 14 Brown · ΔE 18.9 Dark red · ΔE 24.3 Maroon · ΔE 26.9 Tomato · ΔE 26.9

Nearest named CSS colourCrimson (#DC143C)ΔE 6.05, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01C995

Analogous#C90199, #C93101

Triadic#35C901, #0135C9

Split complementary#01C931, #0199C9

Tetradic#99C901, #01C995, #3101C9

Tints, shades & saturation

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

Lighter +40%#FE98B2

Lighter +30%#FE658D

Lighter +20%#FE3267

Lighter +10%#FC0142

Darker −10%#960128

Darker −20%#64001A

Darker −30%#31000D

Darker −40%#000000

More saturated +25%#CA0035

Less saturated −25%#B01A41

Channel breakdown

R201

B53

Red201 (78.8%)

Green1 (0.4%)

Blue53 (20.8%)

Hue344.4°

Saturation (HSL)99.01%

Lightness39.61%

Dominant channelRed

Hex per channelR C9 · G 01 · B 35

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C90135 (chemical formula)

Formula
1,082,611.485 g/mol
90135 atoms

C90135 has a molar mass of 1,082,611.485 g/mol, made up of 90135 atoms across 1 element: 90135 × C.

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Molar mass

Molar mass1,082,611.485 g/mol

Total atoms per molecule90135

Distinct elements1

Mass of one molecule1.7977187 × 10^-18 g

Molecules per gram5.5626056 × 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 × 90135)1,082,611.485 g/mol, 100%

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Elements in this formula

Carbon

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