Recognised as Colour

#CB225B

#CB225B
Red
Dark
Nearest: Crimson

#CB225B is a red with RGB values 203, 34, 91 and HSL 340°, 71%, 46%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CB225B#CB225B

HEX#CB225B

RGBrgb(203, 34, 91)

RGB (0–1)0.7961, 0.1333, 0.3569

RGB percentages79.6%, 13.3%, 35.7%

HSLhsl(339.8, 71.3%, 46.5%)

HSV / HSBhsv(339.8, 83.3%, 79.6%)

CMYK0%, 83.3%, 55.2%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,312,603

CSS custom property--colour: #CB225B;

Brightness & contrast

Relative luminance0.14596WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.36:1

Contrast with white5.36:1WCAG normal text: AA

Contrast with black3.92:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#34DDA4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#53555Cno red cones; affects about 1% of men; ΔE 67.5 from the original

Deuteranopia#7E7757no green cones; the most common form, about 1% of men; ΔE 69 from the original

Tritanopia#DE003Cno blue cones; rare, and affects men and women equally; ΔE 23.4 from the original

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

Contrast with white, large text5.36:1WCAG large text: AAA

Contrast with black, large text3.92:1WCAG large text: AA

Named colours

Crimson · ΔE 22.9 Indian red · ΔE 25 Brown · ΔE 26.1 Medium violet red · ΔE 27 Deep pink · ΔE 27.6 Pale violetred · ΔE 27.8

Nearest named CSS colourCrimson (#DC143C)ΔE 22.91, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22CB92

Analogous#CB22B0, #CB3D22

Triadic#5BCB22, #225BCB

Split complementary#22CB3D, #22B0CB

Tetradic#B0CB22, #22CB92, #3D22CB

Tints, shades & saturation

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

Lighter +40%#F5C4D4

Lighter +30%#EE98B5

Lighter +20%#E66D96

Lighter +10%#DF4176

Darker −10%#9F1B47

Darker −20%#741334

Darker −30%#480C20

Darker −40%#1C050D

More saturated +25%#E90451

Less saturated −25%#AD4065

Channel breakdown

R203

G34

B91

Red203 (79.6%)

Green34 (13.3%)

Blue91 (35.7%)

Hue339.76°

Saturation (HSL)71.31%

Lightness46.47%

Dominant channelRed

Hex per channelR CB · G 22 · B 5B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB225B (chemical formula)

Formula
2,455.071 g/mol
227 atoms

CB225B has a molar mass of 2,455.071 g/mol, made up of 227 atoms across 2 elements: 1 × C, 226 × B.

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Molar mass

Molar mass2,455.071 g/mol

Total atoms per molecule227

Distinct elements2

Mass of one molecule4.0767413 × 10^-21 g

Molecules per gram2.4529396 × 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

C0.5%

B99.5%

Carbon (C)12.011 g/mol, 0.489%

Boron (B × 226)2,443.06 g/mol, 99.511%

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