Recognised as Colour

#CA225B

#CA225B
Red
Dark
Nearest: Crimson

#CA225B is a red with RGB values 202, 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

#CA225B#CA225B

HEX#CA225B

RGBrgb(202, 34, 91)

RGB (0–1)0.7922, 0.1333, 0.3569

RGB percentages79.2%, 13.3%, 35.7%

HSLhsl(339.6, 71.2%, 46.3%)

HSV / HSBhsv(339.6, 83.2%, 79.2%)

CMYK0%, 83.2%, 55%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,247,067

CSS custom property--colour: #CA225B;

Brightness & contrast

Relative luminance0.14456WCAG 2.x, 0 is black and 1 is white

Perceived brightness117.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.4:1

Contrast with white5.4:1WCAG normal text: AA

Contrast with black3.89:1WCAG normal text: Fail

Greyscale equivalent#4A4A4A

Inverted#35DDA4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#52555Cno red cones; affects about 1% of men; ΔE 67.5 from the original

Deuteranopia#7E7657no green cones; the most common form, about 1% of men; ΔE 68.2 from the original

Tritanopia#DD003Cno 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 text5.4:1WCAG large text: AAA

Contrast with black, large text3.89:1WCAG large text: AA

Named colours

Crimson · ΔE 23.3 Indian red · ΔE 25 Brown · ΔE 26.2 Medium violet red · ΔE 26.8 Pale violetred · ΔE 27.6 Deep pink · ΔE 27.7

Nearest named CSS colourCrimson (#DC143C)ΔE 23.28, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22CA91

Analogous#CA22AF, #CA3D22

Triadic#5BCA22, #225BCA

Split complementary#22CA3D, #22AFCA

Tetradic#AFCA22, #22CA91, #3D22CA

Tints, shades & saturation

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

Lighter +40%#F5C3D4

Lighter +30%#EE97B5

Lighter +20%#E66C95

Lighter +10%#DF4076

Darker −10%#9E1B47

Darker −20%#731334

Darker −30%#470C20

Darker −40%#1B050C

More saturated +25%#E70452

Less saturated −25%#AD3F64

Channel breakdown

R202

G34

B91

Red202 (79.2%)

Green34 (13.3%)

Blue91 (35.7%)

Hue339.64°

Saturation (HSL)71.19%

Lightness46.27%

Dominant channelRed

Hex per channelR CA · G 22 · B 5B

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

Ca225B (chemical formula)

Formula
9,028.36 g/mol
226 atoms

Ca225B has a molar mass of 9,028.36 g/mol, made up of 226 atoms across 2 elements: 225 × Ca, 1 × B.

Open this reading on its own page →

Molar mass

Molar mass9,028.36 g/mol

Total atoms per molecule226

Distinct elements2

Mass of one molecule1.4991944 × 10^-20 g

Molecules per gram6.6702488 × 10^19

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

Ca99.9%

B0.1%

Calcium (Ca × 225)9,017.55 g/mol, 99.88%

Boron (B)10.81 g/mol, 0.12%

Keep nerding

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

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page